Foshan Weller Moisture Proof Technology Co., Ltd. is one of the most experienced manufacturers and suppliers of humidity control silica gel in China. If you're going to wholesale high quality humidity control silica gel, welcome to get free sample and discount information from our factory. We also accept customized orders.

China Humidity Control Silica Gel manufacturers and suppliers since 2009, with our own factory. Accept wholesale, OEM, ODM orders. Provide custom solutions.

Humidity Control Silica Gel Manufacturers

This humidity control silica gel is an efficient and safe hygroscopic material. It is designed for regulating environmental humidity. Its core component is high-purity silicon dioxide (SiO₂). Thus, it has extremely strong hygroscopicity and stability. It can be widely used in moisture-proof protection of electronic equipment, medicines, food, clothing, precision instruments and other fields.

Noted: We can custom silica gel desiccant for specific application.

Parameter	Specifications / Details
Product Name	Humidity Control Silica Gel
Material	Silica Gel (SiO₂) with humidity-controlling properties
Appearance	Transparent, granular/cylindrical shape
Color	White, blue, orange
Moisture Adsorption Capacity	35%-40% of its weight
Particle Size	1–8 mm (customizable on request)
Relative Humidity Control	It preserves humidity levels between 20%-90% RH.
Applications	Electronics, optics, pharmaceuticals, food storage, etc.
Shelf Life	2 years (in sealed, dry conditions)
Regeneration Method	Heat at 105°C–120°C for 1–2 hours
Packaging Options	Sachets, bottles, bulk containers, varying weights
Environmental Standards	Non-toxic, reusable, environmentally friendly
Operating Temperature Range	-40°C to +200°C

Moisture Absorption Capacity

Our humidity control silica gel has excellent moisture absorption performance. In an environment with a relative humidity of 60%, its moisture absorption rate can reach 30%-40%, far exceeding ordinary desiccants (such as clay or calcium chloride). In a high humidity environment of 25°C and 80%RH, 1 gram of silica gel can absorb about 0.3-0.4 grams of water. Moreover, its absorption speed is extremely fast. It can reach 70% of the saturation amount within 30 minutes. In addition, its efficiency remains stable in the temperature range of -40°C to 200°C. Even if it is recycled, it can still maintain more than 80% of its initial moisture absorption capacity. Therefore, it has become an ideal choice for long-term moisture protection.

Product Features

1. The moisture absorption rate is as high as 30%-40%. Efficient moisture absorption. Keep a dry environment.

2. Non-toxic and odorless. It does not contain chlorides or corrosive ingredients. It complies with international environmental standards, such as RoHS and REACH. It can be safely used for sensitive items.

3. Its moisture can be desorbed by heating, heated in a microwave oven or in sun exposure, to restore moisture absorption capacity. Recyclable. Economical and affordable.

4. Physical adsorption. No liquefaction. No leakage. Avoid secondary pollution. It can protect the integrity of the items.

5. We provide a variety of specifications, such as bags, cans, and sheets. Therefore, this humidity control silica gel is suitable for different scene requirements, such as small sealed boxes, large storage spaces.

Application Scenario

This humidity control silica gel can be used in many fields.

Fields	Products
Electronic Appliances	moisture-proof for precision equipment, such as cameras, lenses, and drones, etc.
Medical Food	dry storage for medicines, health products and dry foods,etc.
Daily Use at Home	dehumidification and mildew prevention for wardrobes, shoe cabinets, and suitcases, etc.
Industrial Field	anti-rust and anti-oxidation for precision instruments, metal parts, and military products, etc.
Transportation and Storage	humidity control in containers and logistics packaging, etc.

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About Us

Foshan Weller Moisture-Proof Technology Co., Ltd. was established in 2009. We are a professional manufacturer and supplier in China, with an factory of over 8,000 square meters.

Product Range	moisture-proof, mildew-proof, odor-proof and rust-proof products.
Applications	designed for residential, commercial and industrial use. used for product packaging, transportation, and warehousing in different industries.
Service	Accept wholesale, OEM, ODM orders; Provide custom solutions.
Certifications	SGS, RoHS, REACH, FDA, DMF; SIMT,MIL-D-3464E, DIN55473, ISO9001, ISO14001, BSCI.

Product Details and Summary

Product Type	silica gel desiccant (moisture absorbing material)
Classification	1. non-indicating silica gel 2. indicating silica gel (1) blue indicating silica gel (blue to pink; containing cobalt chloride) (2) orange indicating silica gel (orange to green; cobalt free and environmentally friendly)
Indicator Function	You can choose silica gel with color indication function, to achieve a more convenient reminder function.
Main Components	silicon dioxide (SiO₂); Content ≥ 98%
Appearance	granular, spherical, powdered, beads crystals, sand, etc.
Colors	transparent, translucent, white, blue, or orange
Particle Size	1-3mm, 2-4mm, 3-5mm; or custom sizes
Bulk Density	approximately 700-800 kg/m³
Surface Area	700-800 m²/g
Pore Volume	0.4-0.8 cm³/g
Applicable Humidity Level	20%-90% RH
Operating Temperature Range	-40 ℃ to 200 ℃ (long-term stability)
Maximum Moisture Absorption Rate	30%-40% of its own weight
Physical Properties	stable internal structure. no expansion or liquefaction. not easily crushed. dust-free.
pH	4-8
Chemical Properties	chemically inert; It will not chemically react with the inside products.
Human-Friendly Feature	odorless and non-toxic. It meets food grade standards.
Environmentally Friendly Feature	using packaging paper and materials that are biodegradable within two years. It can be discarded for use as fertilizer.
Regeneration Temperature	80℃-150 ℃ ( It can be reused after heating for 2-4 hours.)
Packaging Material	breathable material with strong sealing properties. You can customize packaging materials according to your needs.
Printing	You can custom printed text, pictures, logo for better brand images.
Packaging Capacity	1g, 2g, 5g, 10g, 50g, 100g, 500g, 1000g; or custom capacity
Storage	It should be tightly sealed and stored in a cool, dry place; away from direct sunlight and chemical pollution.
Certifications	SGS, RoHS, REACH, FDA, DMF; SIMT,MIL-D-3464E, DIN55473, ISO9001, ISO14001, BSCI.