{"id":5537,"date":"2026-04-23T10:07:56","date_gmt":"2026-04-23T03:07:56","guid":{"rendered":"https:\/\/hadupack.com\/?post_type=product&#038;p=5537"},"modified":"2026-10-07T10:40:58","modified_gmt":"2026-10-07T03:40:58","slug":"vai-khong-det","status":"publish","type":"product","link":"https:\/\/hadupack.com\/en\/san-pham\/vai-khong-det\/","title":{"rendered":"Non-woven fabric"},"content":{"rendered":"<p><\/p>\n<h2><span style=\"color: #008000; font-size: 14pt;\"><em><strong>What is nonwoven fabric?<\/strong><\/em><\/span><\/h2>\n<p><span style=\"font-size: 14pt;\">Nonwoven fabric (also known as nonwoven textile or nonwoven material) is a type of fabric-like material created by directly bonding and interlacing fibers through physical, chemical, or thermal methods without the traditional spinning and weaving processes. Its characteristics include fast production, low cost, a wide variety of types, breathability, and moisture resistance.<\/span><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5538\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-1.jpg\" alt=\"\" width=\"1000\" height=\"614\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-1.jpg 1000w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-1-768x472.jpg 768w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-1-300x184.jpg 300w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-size: 14pt;\"><span style=\"color: #0000ff;\">\u25c6<\/span>Learn more:<\/span><\/p>\n<ol>\n<li><span style=\"color: #ff6600; font-size: 14pt;\"><a style=\"color: #ff6600;\" href=\"https:\/\/hadupack.com\/san-pham\/vai-chong-tinh-dien-phong-sach\/\">https:\/\/hadupack.com\/san-pham\/vai-chong-tinh-dien-phong-sach\/<\/a><\/span><\/li>\n<li><span style=\"color: #ff00ff; font-size: 14pt;\"><a style=\"color: #ff00ff;\" href=\"https:\/\/hadupack.com\/san-pham\/khau-trang-phong-sach\/\">https:\/\/hadupack.com\/san-pham\/khau-trang-phong-sach\/<\/a><\/span><\/li>\n<li><span style=\"color: #ffcc00; font-size: 14pt;\"><a style=\"color: #ffcc00;\" href=\"https:\/\/hadupack.com\/san-pham\/quan-ao-phong-sach\/\">https:\/\/hadupack.com\/san-pham\/quan-ao-phong-sach\/<\/a><\/span><\/li>\n<\/ol>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>Main characteristics and components<\/strong><\/em><\/span><\/h3>\n<ol>\n<li><span style=\"font-size: 14pt;\">Process: The fibers are directly bonded through methods such as needle punching, thermal bonding, melt blowing, and spunlace bonding without interlacing.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Raw materials: Mainly synthetic fibers with resin components (PP, PET, PE, etc.), but also natural fibers (cotton, wool, linen).<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Characteristics: Lightweight, water-resistant, breathable, bacteria-filtering, tear-resistant (depending on the manufacturing process).<\/span><br \/>\n<span style=\"font-size: 14pt;\">Common uses of nonwoven fabric<\/span><\/li>\n<\/ol>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>Nonwoven fabric is widely used in everyday life:<\/strong><\/em><\/span><\/h3>\n<ol>\n<li><span style=\"font-size: 14pt;\">Healthcare and health: Face masks (water-resistant outer layer, melt-blown bacteria-filtering middle layer), sheet masks, cotton pads, wet wipes, diapers, sanitary pads, surgical gowns.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Eco-friendly living: Reusable shopping bags, drawstring bags, storage boxes, tablecloths.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Industry and agriculture: Filter materials (filter membranes), industrial wiping cloths, agricultural covering and insulation fabrics, weed-control mats in gardens.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Household and apparel: Garment covers, dust covers, lining fabrics, bed sheets.\u00a0<\/span><\/li>\n<\/ol>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5539\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-2.jpg\" alt=\"\" width=\"890\" height=\"560\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-2.jpg 890w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-2-768x483.jpg 768w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-2-300x189.jpg 300w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span style=\"color: #008000; font-size: 14pt;\"><em><strong>Classification of Nonwoven Fabrics<\/strong><\/em><\/span><\/h2>\n<p><span style=\"font-size: 14pt;\">Nonwoven fabrics are mainly classified based on the production process, raw material composition, and application. The main classifications include spunlace, meltblown, needle-punched, and thermally bonded nonwoven fabrics, which are commonly made from polypropylene (PP) or polyester (PET) fibers and have characteristics such as breathability, moisture resistance, high production efficiency, and low cost.<\/span><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5550\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-7.jpg\" alt=\"\" width=\"750\" height=\"560\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-7.jpg 750w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-7-400x300.jpg 400w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-7-300x224.jpg 300w\" sizes=\"auto, (max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"color: #003366; font-size: 14pt;\"><em><strong>Here are the detailed classifications:<\/strong><\/em><\/span><\/p>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>1. Classification by production process (the most common classification)<\/strong><\/em><\/span><\/h3>\n<ol>\n<li><span style=\"font-size: 14pt;\">Spunlace nonwoven fabric: Uses fine, high-pressure water jets to entangle the fibers into a web, increasing strength. Commonly used in wet wipes and masks.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Thermal Bonded nonwoven fabric: Combines hot-melt adhesive materials in fiber or powder form into the fiber web, melting them and allowing them to solidify after cooling.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Airlaid nonwoven fabric: Creates a web by opening wood pulp sheets into individual fibers and then forming them using air; has water-absorbent properties.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Spunbond nonwoven fabric: Polymers are extruded to form continuous fibers, which are then laid directly and bonded together. Has high strength and breathability. Commonly used in medical protective clothing.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Meltblown nonwoven fabric: Extremely fine fibers provide excellent filtration. Commonly used as the middle layer of masks.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Needle-punched nonwoven fabric: Nonwoven fabric created by punching through loose fibers with needles, causing them to interlock into a fabric. Commonly used in felt and geotextiles.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Wetlaid nonwoven fabric: Fibrous raw materials are dispersed in water to form a web.<\/span><\/li>\n<\/ol>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5549\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-07.jpg\" alt=\"\" width=\"1000\" height=\"667\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-07.jpg 1000w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-07-768x512.jpg 768w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-07-300x200.jpg 300w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>2. Classification by raw material composition<\/strong><\/em><\/span><\/h3>\n<ol>\n<li><span style=\"font-size: 14pt;\">PP (Polypropylene): The most common type, lightweight, breathable, and waterproof.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">PET (Polyester): Highly durable and heat-resistant, commonly used in functional fabrics.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Viscose\/Cotton: Good water absorption, commonly used in personal hygiene products.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">PLA (Polylactic Acid): A biodegradable and environmentally friendly material.<\/span><\/li>\n<\/ol>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>3. Classification by application<\/strong><\/em><\/span><\/h3>\n<ol>\n<li><span style=\"font-size: 14pt;\">Medical and healthcare: Masks, protective clothing, surgical gowns, diapers, wet wipes.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Industrial applications: Geotextiles (road engineering), automotive interiors, packaging materials.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Civilian and apparel applications: Eco-friendly bags, linings, footwear materials, filter materials.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-size: 14pt;\">These materials, as they do not require traditional textile manufacturing processes, can be produced quickly and at low cost, so they are widely used in modern industry and everyday life.<\/span><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5540\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-3.jpg\" alt=\"\" width=\"931\" height=\"1000\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-3.jpg 931w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-3-768x825.jpg 768w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-3-300x322.jpg 300w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span style=\"color: #008000; font-size: 14pt;\"><em><strong>Nonwoven fabric production process<\/strong><\/em><\/span><\/h2>\n<p><span style=\"font-size: 14pt;\">Nonwoven fabric production is a technology that directly bonds and interlaces fibers or filaments into a web through physical, chemical, or thermal methods, without the need for traditional spinning and weaving processes. The core processes include fiber raw material preparation, web formation (such as carding, spunbonding, meltblowing, and wet-laid processes), bonding (such as needle punching, thermal bonding, and hydroentangling), and finishing.<\/span><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5551\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-8.jpg\" alt=\"\" width=\"1000\" height=\"721\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-8.jpg 1000w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-8-768x554.jpg 768w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-8-300x216.jpg 300w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>I. Main technological production processes<\/strong><\/em><\/span><\/h3>\n<ol>\n<li><span style=\"font-size: 14pt;\">Raw material preparation: Short or long fibers (PP, PET, PA, cotton, etc.).<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Web formation: Arranging the fibers into a web.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Dry-laid: Arranging short fibers into a web using a carding machine (such as needle bonding, thermal bonding).<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Spunbond: Melting and extruding polymers into fine filaments, then directly laying them into a web.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Meltblown: Using high-speed hot air to stretch molten polymers into an ultrafine fiber web.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Wet-laid: Dispersing and spreading fibers in a water medium, similar to papermaking.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Bonding: Bonding the fibers together.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Needle punching: Mechanically entangling the fibers using many small needles.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Thermal bonding: Bonding the fibers by melting them with heat (including hot calendering and hot air bonding).<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Hydroentanglement\/Water jet: Entangling the fibers using fine, high-pressure water jets.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Chemical bonding: Bonding the fibers using adhesives.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Finishing and final winding: Edge trimming, shaping, surface treatment (e.g.: water-repellent treatment, hydrophilic treatment).<\/span><\/li>\n<\/ol>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5553\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-9.jpg\" alt=\"\" width=\"1920\" height=\"918\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-9.jpg 1920w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-9-768x367.jpg 768w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-9-1536x734.jpg 1536w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-9-300x143.jpg 300w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>II. Common Types and Characteristics of Nonwoven Fabrics<\/strong><\/em><\/span><\/h3>\n<ol>\n<li><span style=\"font-size: 14pt;\">Spunbond: High strength, durable and breathable; used in medical protective clothing and packaging materials.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Meltblown nonwoven fabric: Ultrafine fibers, good coverage and high filtration efficiency; the primary filtration material for masks.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Needle-punched nonwoven fabric: Thick and abrasion-resistant; used in civil engineering, carpets and sound insulation materials.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Spunlace nonwoven fabric: Soft and highly absorbent; used in wet wipes and medical gauze.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-size: 14pt;\">Nonwoven fabric production combines the principles of plastics, chemicals, papermaking and textiles, offering advantages such as fast production speed, low cost and a wide variety of types.<\/span><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5543\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-01.jpg\" alt=\"\" width=\"441\" height=\"438\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-01.jpg 441w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-01-100x100.jpg 100w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-01-150x150.jpg 150w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-01-300x298.jpg 300w\" sizes=\"auto, (max-width: 441px) 100vw, 441px\" \/><\/span><\/td>\n<td style=\"width: 50%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5544\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-02.jpg\" alt=\"\" width=\"500\" height=\"500\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-02.jpg 500w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-02-100x100.jpg 100w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-02-300x300.jpg 300w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-02-150x150.jpg 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span style=\"color: #008000; font-size: 14pt;\"><em><strong>Common Problems in Nonwoven Fabric Production<\/strong><\/em><\/span><\/h2>\n<p><span style=\"font-size: 14pt;\">Although nonwoven fabric production has advantages such as a short process and high speed, it faces many technical and process challenges in actual production. The following are common technical problems and challenges:<\/span><\/p>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>1. Technical Challenges of the Melt-Blown Process<\/strong><\/em><\/span><\/h3>\n<ol>\n<li><span style=\"font-size: 14pt;\">Control of fiber fineness and uniformity: The melt-blown process requires precise control of the temperature and pressure of the molten resin, as well as the air speed and temperature of the high-pressure hot air stream. Improper control can lead to uneven fiber fineness, resulting in porous fabric, uneven thickness, or insufficient strength.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Nozzle clogging: High-temperature molten polymer is prone to thermal degradation or the formation of impurities, causing nozzle clogging and resulting in &#8220;floating fibers&#8221; or fibers with uneven thickness.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Electrostatic charging effect: Melt-blown fabric requires electrostatic charging technology to enhance adsorption capacity (used in masks), but the stability of charging parameters (voltage, speed) is very difficult to control, directly affecting filtration efficiency.<\/span><\/li>\n<\/ol>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5546\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-04.jpg\" alt=\"\" width=\"1280\" height=\"853\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-04.jpg 1280w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-04-768x512.jpg 768w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-04-300x200.jpg 300w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>2. Raw Materials and Quality Control<\/strong><\/em><\/span><\/h3>\n<ol>\n<li><span style=\"font-size: 14pt;\">Abnormal raw materials: The use of recycled fabric scraps or raw materials with unstable quality can easily create &#8220;abnormal fibers&#8221; (such as thick knots or glue spots), leading to production interruptions, yarn breakage, or defects in the finished product.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Balancing product strength and softness: In hot calendering production, to achieve high strength, the fibers are often overheated and excessively melted, resulting in a finished product that is stiff and lacks softness. Balancing strength and softness is a major technical challenge.<\/span><\/li>\n<\/ol>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>3. Challenges in the Reinforcement Process<\/strong><\/em><\/span><\/h3>\n<ol>\n<li><span style=\"font-size: 14pt;\">Wastewater treatment in the Spunlace process: Spunlace technology uses high-pressure water jets to entangle the fibers, generating a large amount of wastewater containing fiber debris. This places extremely high demands on the factory&#8217;s filtration and wastewater treatment systems.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Temperature and pressure control during hot calendering: Uneven temperature or pressure distribution across the hot calendering rollers can lead to &#8220;spots&#8221; on the fabric surface, characterized by localized excessive melting (thin and brittle) or insufficient melting (insufficient strength).<\/span><\/li>\n<\/ol>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5554\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-09.jpg\" alt=\"\" width=\"500\" height=\"500\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-09.jpg 500w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-09-100x100.jpg 100w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-09-300x300.jpg 300w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-09-150x150.jpg 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/span><\/td>\n<td style=\"width: 50%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5555\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-10.jpg\" alt=\"\" width=\"750\" height=\"750\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-10.jpg 750w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-10-100x100.jpg 100w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-10-300x300.jpg 300w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-10-150x150.jpg 150w\" sizes=\"auto, (max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>4. Environmental and Structural Challenges<\/strong><\/em><\/span><\/h3>\n<ol>\n<li><span style=\"font-size: 14pt;\">Fiber web uniformity: Uneven fiber distribution on the web-forming machine (irregular web structure) can lead to varying densities or even gaps.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Ambient temperature and humidity: Synthetic fiber production is highly sensitive to static electricity. Poor temperature and humidity control can easily generate static electricity, causing fibers to stick to the machine or resulting in uneven web formation.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Waste and environmental pressures: Most nonwoven fabrics are made from synthetic fibers such as polypropylene (PP) and polyester (PET), which are very difficult to naturally decompose after disposal, making environmentally friendly treatment a major challenge.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-size: 14pt;\">The main challenges in nonwoven fabric production lie in precisely controlling the high-temperature melt process, ensuring the stability of high-speed mechanical operations, and guaranteeing the quality of raw materials.<\/span><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5541\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-4.jpg\" alt=\"\" width=\"600\" height=\"450\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-4.jpg 600w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-4-400x300.jpg 400w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-4-300x225.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/span><\/td>\n<td style=\"width: 50%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5542\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-6.jpg\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-6.jpg 500w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-6-400x300.jpg 400w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-6-300x225.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span style=\"color: #008000; font-size: 14pt;\"><em><strong>Notes on Selecting Nonwoven Fabric<\/strong><\/em><\/span><\/h2>\n<p><span style=\"font-size: 14pt;\">When selecting nonwoven fabric, to ensure it meets your needs (such as shopping bags, handicrafts, dust covers, etc.), you should pay attention to the following key aspects, mainly divided into four aspects: material, thickness, production process, and intended use:<\/span><\/p>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>1. Material Selection<\/strong><\/em><\/span><\/h3>\n<ol>\n<li><span style=\"font-size: 14pt;\">Polypropylene (PP): The most common material for eco-friendly bags, characterized by its light weight, water resistance, and breathability.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Polylactic Acid (PLA): A biodegradable material with a lower environmental impact.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Virgin material versus powder material: High-quality nonwoven fabric (granular\/virgin material) has good resistance to aging and no unpleasant odor; lower-priced &#8220;powder&#8221; material may have a chemical odor and be more prone to breaking.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Special materials: Spunlace nonwoven fabric (soft to the touch, requiring no adhesive) or eco-friendly PET material, etc.<\/span><\/li>\n<\/ol>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5547\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-05.jpg\" alt=\"\" width=\"1000\" height=\"1000\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-05.jpg 1000w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-05-768x768.jpg 768w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-05-100x100.jpg 100w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-05-300x300.jpg 300w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-05-150x150.jpg 150w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>2. Thickness\/Weight<\/strong><\/em><\/span><\/h3>\n<p><span style=\"font-size: 14pt;\">The thickness of non-woven fabric is usually expressed as &#8220;grams per square meter (g)&#8221;. The higher the number, the thicker, heavier, and more durable the fabric.<\/span><\/p>\n<ol>\n<li><span style=\"font-size: 14pt;\">50g &#8211; 70g: Thin, suitable for dust bags, shoe covers, and temporary bags.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">70g &#8211; 90g: Standard thickness, commonly used for wholesale shopping bags and gift bags.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">100g and above: Thicker, with stronger load-bearing capacity, suitable for durable shopping bags that need to be reused many times.<\/span><\/li>\n<\/ol>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>3. Fabric Production Process<\/strong><\/em><\/span><\/h3>\n<ol>\n<li><span style=\"font-size: 14pt;\">Uniformity: Check whether the fabric color is even and whether there are any significant color differences.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Surface treatment: Check whether the surface is smooth and free of excess fibers or defects.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Tear resistance and tightness: If making bags, pay attention to whether the heat-welded (ultrasonic) edges are secure and ensure there are no tears.<\/span><\/li>\n<\/ol>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5545\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-03.jpg\" alt=\"\" width=\"560\" height=\"364\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-03.jpg 560w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-03-300x195.jpg 300w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/span><\/td>\n<td style=\"width: 50%;\"><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5548\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-06.jpg\" alt=\"\" width=\"480\" height=\"480\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-06.jpg 480w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-06-100x100.jpg 100w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-06-300x300.jpg 300w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/04\/vai-khong-det-06-150x150.jpg 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span style=\"color: #ff0000; font-size: 14pt;\"><em><strong>4. Usage Notes<\/strong><\/em><\/span><\/h3>\n<ol>\n<li><span style=\"font-size: 14pt;\">Breathability and water resistance: Non-woven fabric is breathable and slightly water-resistant, making it suitable for dust protection and clothing storage.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Not tear-resistant: Non-woven fabric does not withstand excessive stretching; please pay attention to the load-bearing limit when carrying heavy items.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Washing restrictions: Hand wash with cold water, gently wipe stains, and air dry in the shade. Do not machine wash or tumble dry, as this may make the fabric brittle or cause the printed layer on the surface to peel off.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Summary of selection suggestions: For everyday\/environmentally friendly bags, choose PP material and 70g-90g heat-sealed bags, which are both durable and lightweight. For craft\/packaging bags, choose according to the required softness and color.<\/span><\/li>\n<\/ol>\n<h2 class=\"widget-title hl_s2\"><span style=\"color: #008000; font-size: 14pt;\"><em>Detailed information about Hadupack us<\/em><\/span><\/h2>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-size: 14pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5891\" src=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/05\/CP-bina-scaled.jpg\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" srcset=\"https:\/\/hadupack.com\/wp-content\/uploads\/2026\/05\/CP-bina-scaled.jpg 2560w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/05\/CP-bina-768x369.jpg 768w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/05\/CP-bina-1536x737.jpg 1536w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/05\/CP-bina-2048x983.jpg 2048w, https:\/\/hadupack.com\/wp-content\/uploads\/2026\/05\/CP-bina-300x144.jpg 300w\" alt=\"\" width=\"2560\" height=\"1229\" \/><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"textwidget\">\n<ol>\n<li><span style=\"font-size: 14pt;\"><strong>\u00a0BiNa Vietnam Joint Stock Company<\/strong><\/span><\/li>\n<li><span style=\"font-size: 14pt;\">No. 289 Thanh Am Street, Viet Hung Ward, Hanoi City, Vietnam<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">+84 522 806 806<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">MST: 0111436560<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">www:\/\/hadupack.com<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Admin@binajsc.com.vn<\/span><\/li>\n<\/ol>\n<\/div>\n<div class=\"textwidget\"><\/div>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>What is nonwoven fabric? Nonwoven fabric (also known as nonwoven textile or nonwoven material) is a type of fabric-like material created by directly bonding and interlacing fibers through physical, chemical, or thermal methods without the traditional spinning and weaving processes. Its characteristics include fast production, low cost, a wide variety of types, breathability, and moisture &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/hadupack.com\/en\/san-pham\/vai-khong-det\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Non-woven fabric&#8221;<\/span><\/a><\/p>\n","protected":false},"featured_media":5556,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_cat":[299],"product_tag":[],"class_list":["post-5537","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-vat-tu-phong-sach"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.10 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Non-woven fabric - BINA VI\u1ec6T NAM<\/title>\n<meta name=\"description\" content=\"What is nonwoven fabric? 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