{"id":5740,"date":"2026-05-09T16:23:32","date_gmt":"2026-05-09T09:23:32","guid":{"rendered":"https:\/\/hadupack.com\/?post_type=product&p=5740"},"modified":"2026-10-13T08:21:44","modified_gmt":"2026-10-13T01:21:44","slug":"chat-hut-am","status":"publish","type":"product","link":"https:\/\/hadupack.com\/en\/san-pham\/chat-hut-am\/","title":{"rendered":"What is a desiccant?"},"content":{"rendered":"

<\/p>\n

What is a desiccant?<\/strong><\/em><\/span><\/h2>\n

Desiccants are substances that absorb moisture from the surrounding environment, primarily used to control humidity and prevent products from becoming moldy, oxidized, or damaged. They are commonly used in food, pharmaceuticals, electronics, and the storage of shoes\/handbags. Based on their operating principles, they are divided into two types: “physical adsorption” and “chemical reaction”. Common ingredients include silicon and quicklime.<\/span><\/p>\n\n\n\n
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\u261e<\/span><\/strong><\/em>See more:<\/span><\/p>\n

    \n
  1. https:\/\/hadupack.com\/san-pham\/hat-hut-am-clay\/<\/a><\/span><\/li>\n
  2. https:\/\/hadupack.com\/san-pham\/tui-chong-am-container\/<\/a><\/span><\/li>\n
  3. https:\/\/hadupack.com\/danh-muc\/hat-chong-am\/<\/a><\/span><\/li>\n<\/ol>\n

    Types and main characteristics of desiccants:<\/strong><\/em><\/span><\/h2>\n

    Hadupack introduces to valued customers the common types of desiccants:<\/strong><\/em><\/span><\/p>\n

    Silica gel desiccant (Physical):<\/strong><\/em><\/span><\/p>\n

      \n
    1. Characteristics: Small, round, transparent beads (sometimes blue when cobalt chloride is added, turning pink after absorbing moisture), relatively safe, non-toxic, odorless and capable of absorbing approximately 40% of its own weight in water.<\/span><\/li>\n
    2. Uses: Commonly used in food, pharmaceuticals and electronic machinery.<\/span><\/li>\n
    3. Advantages: Stable structure, not easily chemically altered after absorbing moisture, environmentally friendly and can be regenerated by heating.<\/span><\/li>\n<\/ol>\n\n\n\n
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      Calcium oxide desiccant (CaO, quicklime) (Chemistry):<\/strong><\/em><\/span><\/h3>\n
        \n
      1. Characteristics: White lumps, which turn into powdered calcium hydroxide (slaked lime) after absorbing water.<\/span><\/li>\n
      2. Uses: Highly effective desiccant, commonly used in photographic equipment, camera dehumidifiers, leather goods, clothing, etc.<\/span><\/li>\n
      3. Disadvantages: Strongly alkaline, not edible, reacts with water; must be stored carefully.<\/span><\/li>\n<\/ol>\n

        Montmorillonite\/Mineral Desiccant (Physical):<\/strong><\/em><\/span><\/h3>\n
          \n
        1. Characteristics: Made from natural montmorillonite minerals, using physical adsorption, very safe, suitable for electronic products and machinery.<\/span><\/li>\n
        2. Not edible: Keep out of reach of children, regardless of the type of desiccant.<\/span><\/li>\n
        3. Avoid moisture: After opening, the desiccant will absorb moisture from the outside, becoming a source of moisture and accelerating the deterioration of the items inside. It is recommended to remove the desiccant after opening.<\/span><\/li>\n
        4. Do not heat: Do not put quicklime-based desiccants in the microwave or heat them to avoid danger.<\/span><\/li>\n<\/ol>\n\n\n\n
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          Desiccant Production Process<\/strong><\/em><\/span><\/h2>\n

          Desiccant production processes are mainly divided into physical adsorption types (such as silica and minerals) and chemical reaction types (such as quicklime and calcium chloride) based on the materials used. Industrial production processes typically include raw material processing, shaping, activation drying, and packaging. The key to silica production is the reaction of water glass with acid to form a gel, followed by washing and drying.<\/span><\/p>\n

          1. Production process of physical adsorption desiccants (Silicone\/Silica Gel)<\/strong><\/em><\/span><\/h3>\n
            \n
          1. Raw material preparation: Sodium silicate (liquid glass) is used as the main raw material.<\/span><\/li>\n
          2. Gel formation: Acidic substances such as sulfuric acid are added to react with liquid glass and form hydrogel.<\/span><\/li>\n
          3. Washing and aging: Impurities generated during the reaction (reaction water and solution water) are washed away; this stage controls the pore structure of the gel.<\/span><\/li>\n
          4. Drying: Drying is carried out at a high temperature of 100-400\u00b0C to form porous silicon particles capable of absorbing moisture.<\/span><\/li>\n<\/ol>\n\n\n\n
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            1. Color-changing treatment (Optional):<\/strong><\/em><\/span><\/h4>\n

            Add cobalt chloride (from blue to red) or environmentally friendly indicators (such as from orange to green) to indicate the water saturation status.<\/span><\/p>\n

            2. Production process for chemical reaction-type desiccants (quicklime):<\/strong><\/em><\/span><\/h4>\n
              \n
            1. Raw materials: Calcium carbonate (limestone) is calcined at high temperatures. Production: (CaCO3 \u2192 CaO + CO2) produces lump-form calcium oxide (quicklime).<\/span><\/li>\n
            2. Processing: It is crushed and sieved to control particle size, and packaged quickly to prevent moisture absorption and deterioration.<\/span><\/li>\n<\/ol>\n

              3. Special desiccant processes:<\/strong><\/em><\/span><\/h4>\n
                \n
              1. Mixed desiccant: Iron powder, sodium chloride, bentonite, activated carbon, etc. are mixed together and then a binder is added to form the mixture. Commonly used for high-speed moisture absorption.<\/span><\/li>\n
              2. Desiccant sheets: Calcium chloride solution is impregnated into absorbent paper or fibrous materials, then dried and formed.<\/span><\/li>\n
              3. Desiccant granules: Desiccant materials are mixed with resin and extruded into granules.<\/span><\/li>\n
              4. Suitable for plastic packaging.<\/span><\/li>\n<\/ol>\n

                4. Packaging process:<\/strong><\/em><\/span><\/h4>\n
                  \n
                1. Packaging materials typically used are those with high moisture absorption, good sealing properties, and low dust generation (such as Tyvek).<\/span><\/li>\n
                2. Automatic packaging machines are commonly used to perform feeding, packaging, sealing, and inspection (such as metal detection) to produce the final desiccant packets.<\/span><\/li>\n<\/ol>\n\n\n\n
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                  Common Problems in Desiccant Production<\/strong><\/em><\/span><\/h2>\n

                  In the production of desiccants (such as silica gel, mineral-based desiccants, and lime), common problems mainly focus on insufficient moisture absorption capacity, packaging sealing, production environment control, and product quality consistency. The following is a summary of common problems and challenges in desiccant production:<\/span><\/p>\n

                  1. Raw Material and Performance Issues:<\/strong><\/em><\/span><\/h3>\n
                    \n
                  1. Insufficient moisture absorption capacity: Uneven pore structure or insufficient activation of raw materials (such as silicon particles or mineral clay) results in moisture absorption capacity below the standard.<\/span><\/li>\n
                  2. Desiccant deactivation: During the manufacturing and packaging process, the material may be exposed to excessive moisture, leading to a significant reduction in moisture absorption capacity when it leaves the factory.<\/span><\/li>\n
                  3. Uneven particle size: Affects filling speed and weight stability.<\/span><\/li>\n<\/ol>\n

                    3. Production environment control issues:<\/strong><\/em><\/span><\/h3>\n
                      \n
                    1. Excessively high humidity in the workshop: If the production environment is not dried, the desiccant will absorb moisture from the air before packaging.<\/span><\/li>\n
                    2. Improper operation: Employees may not wear appropriate protective clothing, or raw materials may be exposed to the air for too long.<\/span><\/li>\n<\/ol>\n

                      4. Production challenges by product type:<\/strong><\/em><\/span><\/h3>\n
                        \n
                      1. Safety and reactivity of lime desiccant (calcium oxide): Lime releases heat and produces a strong alkali when in contact with water. If the production environment is damp or moisture gets mixed into the raw materials, an exothermic reaction may occur, potentially leading to packaging rupture or burns to workers.<\/span><\/li>\n
                      2. Managing color changes of colored silicone: Indicator silicone (for example: from blue to pink, from orange to dark blue) may exhibit inconsistent color changes if exposed to moisture during manufacturing, making quality assessment difficult.<\/span><\/li>\n<\/ol>\n

                        5. Quality sampling issues:<\/strong><\/em><\/span><\/h3>\n

                        Inaccurate weight and saturation testing: Some desiccants (e.g., mineral-based) do not show obvious changes in appearance after absorbing moisture; accurate weight sampling is required to determine compliance.<\/span><\/p>\n

                          \n
                        1. Proposed production improvement plan: Strict environmental control: The production workshop should be equipped with dehumidifiers and should use packaging materials with good sealing properties (for example: waterproof and breathable DuPont paper).<\/span><\/li>\n
                        2. Upgrade sealing technology: Ensure uniform temperature and pressure in automatic sealing machines and regularly check sealing strength.<\/span><\/li>\n
                        3. Seal finished products immediately: After producing desiccants, they should be sealed immediately in vacuum packaging to minimize exposure to air.<\/span><\/li>\n<\/ol>\n\n\n\n
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                          Tips for Choosing Desiccants<\/strong><\/em><\/span><\/h2>\n

                          The key factors in choosing a desiccant are its intended use, environmental humidity, and safety. For food\/pharmaceutical products, non-toxic materials such as silica gel or montmorillonite should be used; for electronic products, materials with high absorption capacity (such as molecular sieves) are suitable, and for wardrobes, calcium chloride with a long-lasting effect should be used. Some important tips include: calculating the dosage based on the packaging size, prioritizing environmentally friendly and biodegradable materials, and choosing airtight packaging. Below are detailed tips for choosing:<\/span><\/p>\n

                          1. Choose the type based on the application scenario:<\/strong><\/em><\/span><\/h3>\n
                            \n
                          1. Food and pharmaceuticals: Safety comes first; it is recommended to choose blue or orange color-changing silica desiccants (which make it easy to identify when they have deteriorated) or natural montmorillonite desiccants.<\/span><\/li>\n
                          2. Electronic products and precision instruments: Strong moisture absorption without releasing moisture is required; molecular sieves or silica should be used to protect sensitive components.<\/span><\/li>\n
                          3. Wardrobes and shoe cabinets: Spacious and humid areas; calcium chloride desiccants with high moisture absorption capacity are recommended, commonly available in boxes or bags, which turn into liquid after absorbing moisture.<\/span><\/li>\n
                          4. Long-term storage\/containment: Use highly effective mineral desiccants or specialized moisture-absorbing sticks, which are durable and have a high moisture absorption rate.<\/span><\/li>\n<\/ol>\n\n\n\n
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                            2. Choose products with high moisture absorption capacity (e.g.: calcium chloride) based on their hygroscopic properties:<\/strong><\/em><\/span><\/h3>\n
                              \n
                            1. Suitable for environments with high humidity, absorbing up to 300% of their own weight in water, but usually only used once.<\/span><\/li>\n
                            2. High accuracy\/reusable (e.g.: silicon): Physical adsorption; after saturation, it can be dried by heat and reused, economical and environmentally friendly.<\/span><\/li>\n<\/ol>\n

                              3. Pay attention to important details and the safety of the ingredients:<\/strong><\/em><\/span><\/h3>\n
                                \n
                              1. Avoid choosing low-quality products containing dimethyl fumaric acid to ensure they are not toxic to humans.<\/span><\/li>\n
                              2. Packaging material: Choose breathable packaging that does not leak powder, such as nonwoven fabric or composite paper packaging.<\/span><\/li>\n
                              3. Expiration indicator: Prioritize color-changing silica gel; it can be replaced when the color changes from blue to pink (or orange to green), providing a visual and accurate indication.<\/span><\/li>\n<\/ol>\n

                                4.Tips for specific cases:<\/strong><\/em><\/span><\/h3>\n
                                  \n
                                1. Pharmacists recommend discarding the desiccant inside dietary supplement bottles immediately after opening to prevent it from absorbing moisture from the outside and causing the medicine to spoil.<\/span><\/li>\n
                                2. Regular replacement recommendation: In general, it is recommended to replace the desiccant in household drawers every 2-3 months, while in damp shoe cabinets it should be replaced every 1-2 months.<\/span><\/li>\n<\/ol>\n\n\n\n
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                                  M\u1eb9o b\u1ea3o qu\u1ea3n ch\u1ea5t h\u00fat \u1ea9m<\/strong><\/em><\/span><\/h2>\n

                                  \u0110\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a ch\u1ea5t h\u00fat \u1ea9m (\u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng ch\u1ea5t ch\u01b0a s\u1eed d\u1ee5ng sau khi m\u1edf), \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i “ng\u0103n kh\u00f4ng kh\u00ed” v\u00e0 “b\u1ea3o qu\u1ea3n ch\u00fang \u1edf n\u01a1i kh\u00f4 r\u00e1o, tho\u00e1ng m\u00e1t”. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 m\u1eb9o b\u1ea3o qu\u1ea3n ch\u1ea5t h\u00fat \u1ea9m ch\u01b0a m\u1edf v\u00e0 \u0111\u00e3 m\u1edf:<\/span><\/p>\n

                                  1. B\u1ea3o qu\u1ea3n ch\u1ea5t h\u00fat \u1ea9m ch\u01b0a s\u1eed d\u1ee5ng sau khi m\u1edf:<\/strong><\/em><\/span><\/h3>\n
                                    \n
                                  1. Ch\u1ea5t h\u00fat \u1ea9m b\u1eaft \u0111\u1ea7u h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m sau khi m\u1edf, v\u00ec v\u1eady ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c ni\u00eam phong ngay l\u1eadp t\u1ee9c: <\/span><\/li>\n
                                  2. M\u00e1y ni\u00eam phong: Cho ch\u1ea5t h\u00fat \u1ea9m ch\u01b0a s\u1eed d\u1ee5ng tr\u1edf l\u1ea1i t\u00fai \u0111\u1ef1ng v\u00e0 ni\u00eam phong l\u1ea1i b\u1eb1ng m\u00e1y ni\u00eam phong. <\/span><\/li>\n
                                  3. H\u1ed9p\/T\u00fai k\u00edn: Cho ch\u1ea5t h\u00fat \u1ea9m v\u00e0o h\u1ed9p nh\u1ef1a, chai th\u1ee7y tinh ho\u1eb7c t\u00fai h\u00fat ch\u00e2n kh\u00f4ng \u0111\u01b0\u1ee3c ni\u00eam phong k\u1ef9 v\u00e0 \u00e9p h\u1ebft kh\u00f4ng kh\u00ed ra ngo\u00e0i c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t. <\/span><\/li>\n
                                  4. B\u1ea3o qu\u1ea3n ch\u00e2n kh\u00f4ng: C\u00e1ch t\u1ed1t nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng t\u00fai h\u00fat ch\u00e2n kh\u00f4ng ho\u1eb7c h\u1ed9p \u0111\u01b0\u1ee3c ni\u00eam phong ch\u00e2n kh\u00f4ng, gi\u00fap t\u1ed1i \u0111a h\u00f3a th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng. <\/span><\/li>\n
                                  5. Ghi nh\u00e3n ng\u00e0y th\u00e1ng: Ghi nh\u00e3n b\u00ean ngo\u00e0i h\u1ed9p k\u00edn v\u1edbi ng\u00e0y mua ho\u1eb7c ng\u00e0y m\u1edf \u0111\u1ec3 d\u1ec5 d\u00e0ng nh\u1edb l\u1ea1i.<\/span><\/li>\n<\/ol>\n

                                    2. Y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng b\u1ea3o qu\u1ea3n:<\/strong><\/em><\/span><\/h3>\n

                                    B\u1ea3o qu\u1ea3n \u1edf n\u01a1i kh\u00f4 r\u00e1o, tho\u00e1ng m\u00e1t, tr\u00e1nh \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp v\u00e0 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 ng\u0103n k\u00e9o ho\u1eb7c t\u1ee7. <\/span><\/p>\n

                                      \n
                                    1. Tr\u00e1nh nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m cao: H\u00e3y nh\u1edb kh\u00f4ng \u0111\u1eb7t n\u00f3 trong nh\u00e0 b\u1ebfp, ph\u00f2ng t\u1eafm ho\u1eb7c g\u1ea7n c\u1eeda s\u1ed5 c\u00f3 \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp. <\/span><\/li>\n
                                    2. C\u00e1ch nhi\u1ec7t m\u1eb7t \u0111\u1ea5t: \u0110\u1ed1i v\u1edbi vi\u1ec7c l\u01b0u tr\u1eef quy m\u00f4 l\u1edbn, kh\u00f4ng \u0111\u1eb7t ch\u1ea5t h\u00fat \u1ea9m tr\u1ef1c ti\u1ebfp tr\u00ean m\u1eb7t \u0111\u1ea5t. S\u1eed d\u1ee5ng khay ho\u1eb7c t\u1ea5m nh\u1ef1a \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 d\u1eabn nhi\u1ec7t t\u1eeb m\u1eb7t \u0111\u1ea5t. <\/span><\/li>\n
                                    3. Tr\u00e1nh t\u01b0\u1eddng: Gi\u1eef kho\u1ea3ng c\u00e1ch t\u1eeb 0,3 \u0111\u1ebfn 0,5 m\u00e9t so v\u1edbi t\u01b0\u1eddng v\u00e0 c\u1ed9t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00f4ng gi\u00f3.<\/span><\/li>\n<\/ol>\n\n\n\n
                                      \"\"<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                      3. C\u00e1ch x\u00e1c \u0111\u1ecbnh ch\u1ea5t h\u00fat \u1ea9m kh\u00f4ng hi\u1ec7u qu\u1ea3: <\/strong><\/em><\/span><\/h3>\n
                                        \n
                                      1. Ch\u1ea5t h\u00fat \u1ea9m silicon: Khi ch\u1ea5t ch\u1ec9 th\u1ecb chuy\u1ec3n t\u1eeb m\u00e0u xanh lam sang m\u00e0u h\u1ed3ng, ho\u1eb7c m\u00e0u cam sang m\u00e0u xanh \u0111\u1eadm, \u0111i\u1ec1u \u0111\u00f3 cho th\u1ea5y ch\u1ea5t h\u00fat \u1ea9m \u0111\u00e3 b\u00e3o h\u00f2a v\u00e0 n\u00ean \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ngay l\u1eadp t\u1ee9c.<\/span><\/li>\n
                                      2. Ch\u1ea5t h\u00fat \u1ea9m v\u00f4i: N\u00f3 kh\u00f4ng hi\u1ec7u qu\u1ea3 khi bao b\u00ec ph\u1ed3ng l\u00ean r\u00f5 r\u1ec7t v\u00e0 ch\u1ea5t b\u00ean trong kh\u00f4ng c\u00f2n \u1edf d\u1ea1ng h\u1ea1t m\u00e0 \u0111\u00e3 chuy\u1ec3n th\u00e0nh d\u1ea1ng b\u1ed9t.<\/span><\/li>\n<\/ol>\n

                                        4. M\u1eb9o \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi h\u1ed9p \u0111\u1ef1ng th\u1ef1c ph\u1ea9m ch\u1ee9c n\u0103ng:<\/strong><\/em><\/span><\/h3>\n
                                          \n
                                        1. N\u1ebfu ch\u1ea5t h\u00fat \u1ea9m n\u1eb1m \u1edf mi\u1ec7ng chai (l\u1edbp tr\u00ean c\u00f9ng), n\u00ean lo\u1ea1i b\u1ecf n\u00f3 sau khi m\u1edf, v\u00ec vi\u1ec7c m\u1edf v\u00e0 \u0111\u00f3ng nhi\u1ec1u l\u1ea7n s\u1ebd khi\u1ebfn n\u00f3 m\u1ea5t hi\u1ec7u qu\u1ea3 v\u00e0 d\u1ec5 b\u1ecb nhi\u1ec5m b\u1ea9n. Tuy nhi\u00ean, n\u1ebfu n\u00f3 n\u1eb1m \u1edf \u0111\u00e1y chai, c\u00f3 th\u1ec3 gi\u1eef l\u1ea1i.<\/span><\/li>\n
                                        2. Kh\u00f4ng c\u1ea7n b\u1ea3o qu\u1ea3n l\u1ea1nh: Tr\u1eeb khi c\u00f3 ch\u1ec9 d\u1eabn c\u1ee5 th\u1ec3, kh\u00f4ng n\u00ean \u0111\u1ec3 ch\u1ea5t h\u00fat \u1ea9m ho\u1eb7c th\u1ef1c ph\u1ea9m trong t\u1ee7 l\u1ea1nh, v\u00ec s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 li\u00ean t\u1ee5c s\u1ebd g\u00e2y ng\u01b0ng t\u1ee5 v\u00e0 h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m m\u1ea1nh h\u01a1n. <\/span><\/li>\n<\/ol>\n

                                          T\u00f3m t\u1eaft: Tr\u00e1nh ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng. N\u1ebfu kh\u00f4ng s\u1eed d\u1ee5ng h\u1ebft ch\u1ea5t h\u00fat \u1ea9m, c\u1ea7n ph\u1ea3i ni\u00eam phong k\u00edn \u0111\u1ec3 ng\u0103n ng\u1eeba vi\u1ec7c h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m v\u00e0 m\u1ea5t t\u00e1c d\u1ee5ng trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n.<\/span><\/p>\n

                                          Th\u00f4ng tin chi ti\u1ebft v\u1ec1 Hadupack ch\u00fang t\u00f4i<\/strong><\/em><\/span><\/h2>\n\n\n\n
                                          \"\"<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                                          \n
                                            \n
                                          1. C\u00f4ng ty C\u1ed5 Ph\u1ea7n BiNa Vi\u1ec7t Nam<\/strong><\/span><\/li>\n
                                          2. <\/i>S\u1ed1 289 \u0110\u01b0\u1eddng Thanh Am, Ph\u01b0\u1eddng Vi\u1ec7t H\u01b0ng, Th\u00e0nh Ph\u1ed1 H\u00e0 N\u1ed9i, Vi\u1ec7t Nam<\/span><\/li>\n
                                          3. <\/i>0522 806 806<\/span><\/li>\n
                                          4. <\/i>MST: 0111436560<\/span><\/li>\n
                                          5. https:\/\/hadupack.com<\/a><\/span><\/li>\n
                                          6. <\/i>sale@binavietnam.com<\/span><\/li>\n<\/ol>\n<\/div>\n

                                            <\/p>","protected":false},"excerpt":{"rendered":"

                                            What is a desiccant? Desiccants are substances that absorb moisture from the surrounding environment, primarily used to control humidity and prevent products from becoming moldy, oxidized, or damaged. They are commonly used in food, pharmaceuticals, electronics, and the storage of shoes\/handbags. Based on their operating principles, they are divided into two types: “physical adsorption” and … <\/p>\n

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