Foshan Weller Moisture Proof Technology Co., Ltd. is one of the most experienced manufacturers and suppliers of computer silica gel desiccant in China. If you're going to wholesale high quality computer silica gel desiccant, welcome to get free sample and discount information from our factory. We also accept customized orders.
China Computer Silica Gel Desiccant manufacturers and suppliers since 2009, with our own factory. Accept wholesale, OEM, ODM orders. Provide custom solutions.
Our computer silica gel desiccant is mainly made of high-purity and highly active silica gel as the main moisture absorbing material. It is designed specifically for the moisture-proof requirements inside electronic devices.
Noted: We can custom silica gel desiccant for specific application.
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Specification |
Description |
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Product Name |
Computer Silica Gel Desiccant |
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Material |
Silicon Dioxide |
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Physical Form |
Granular or Beads |
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Size Options |
1-3 mm or 2-5 mm;or per customer requirement |
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Adsorption Capacity |
≥ 35% (of its weight) |
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Moisture Content |
≤ 2% |
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PH Range |
4-8 |
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Surface Area |
700–800 m²/g |
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Pore Volume |
0.4–0.8 ml/g |
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Color Indicator (Optional) |
Blue (dry) → Pink (saturated) |
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Packaging Options |
Paper, Non-woven Fabric, Plastic Bags |
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Working Temperature |
-40°C to 200°C |
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Application |
Prevent moisture for electronics |
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Lifespan |
Reusable for several cycles |
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Certifications |
ROHS, ISO, SGS Certification |
This desiccant has extremely strong physical moisture absorption ability. It can quickly adsorb water molecules in enclosed spaces. It can prevent many problems, such as oxidation and corrosion of metal components, short circuits on circuit boards, decreased performance of electronic components, and even complete damage. It creates a safe, dry operating and storage environment for your precision electronic devices.
Product Features
1. Efficient Moisture Absorption
Its moisture absorption rate is as high as 30% -40% of its own weight, far exceeding ordinary desiccants. Within the temperature range of -40 ℃ to 200 ℃, this computer silica gel desiccant can maintain excellent moisture absorption performance.
2. Its main component is silicon dioxide (SiO ₂). Odorless, non corrosive, non-toxic. The chemical properties are extremely stable.
3. This silica gel meets environmental protection requirements. You can choose a silica gel desiccant that does not contain harmful indicators such as cobalt chloride. More reassuring to use. There is no risk in contact with electronic components.
4. Physically hygroscopic, unchanged in form. It will not cause swelling, deliquescence, or leakage. It can keep the inside of the computer clean.
Regeneration Function
After saturation, you can use heating to regenerate and dehydrate this computer silica gel desiccant, thereby restoring its moisture absorption capacity. It can be reused multiple times. Economically affordable, green and energy-saving!
Applications
Here are the common placement locations for computer silica gel desiccant.
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Location |
Purpose/Reason |
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Inside Desktop PC Cases |
It protects internal components (motherboard, GPU, RAM, PSU) from ambient humidity within the case. It is often attached to case panels or drive cages. |
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Inside Laptop Bags/Cases |
It absorbs moisture trapped in bags during transport/storage, protecting the laptop and accessories. |
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Inside Server Racks/Cabinets |
It controls humidity in enclosed spaces,such as housing critical, heat-generating server equipment. |
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Storage Containers (PC Parts) |
It is placed in boxes/bins storing spare components (GPUs, motherboards, RAM) to prevent corrosion during long-term storage. |
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Inside Monitor Housings |
It reduces moisture buildup behind screens or within internal electronics (less common, but used in humid environments). |
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Keyboard/Peripheral Cases |
It prevents moisture damage in cases carrying keyboards, mice, external drives, or other accessories. |
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NAS/External Enclosures |
It protects hard drives/electronics in Network Attached Storage or external drive enclosures. |
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Inside Anti-Static Bags |
It is added to bags containing sensitive components (CPUs, circuit boards) before sealing for storage/shipping. |
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Shipping Boxes (New Hardware) |
It is used in packaging for computers/components to absorb moisture during transit. |
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Equipment Cabinets (Network) |
This computer silica gel desiccant is placed alongside routers, switches, or telecom gear in enclosed cabinets prone to condensation. |
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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.
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Product Range |
moisture-proof, mildew-proof, odor-proof and rust-proof products. |
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Applications |
designed for residential, commercial and industrial use. used for product packaging, transportation, and warehousing in different industries. |
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Service |
Accept wholesale, OEM, ODM orders; Provide custom solutions. |
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Certifications |
SGS, RoHS, REACH, FDA, DMF; SIMT,MIL-D-3464E, DIN55473, ISO9001, ISO14001, BSCI. |
Product Details and Summary
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Product Type |
silica gel desiccant (moisture absorbing material) |
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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) |
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Indicator Function |
You can choose silica gel with color indication function, to achieve a more convenient reminder function. |
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Main Components |
silicon dioxide (SiO₂); Content ≥ 98% |
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Appearance |
granular, spherical, powdered, beads crystals, sand, etc. |
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Colors |
transparent, translucent, white, blue, or orange |
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Particle Size |
1-3mm, 2-4mm, 3-5mm; or custom sizes |
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Bulk Density |
approximately 700-800 kg/m³ |
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Surface Area |
700-800 m²/g |
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Pore Volume |
0.4-0.8 cm³/g |
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Applicable Humidity Level |
20%-90% RH |
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Operating Temperature Range |
-40 ℃ to 200 ℃ (long-term stability) |
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Maximum Moisture Absorption Rate |
30%-40% of its own weight |
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Physical Properties |
stable internal structure. no expansion or liquefaction. not easily crushed. dust-free. |
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pH |
4-8 |
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Chemical Properties |
chemically inert; It will not chemically react with the inside products. |
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Human-Friendly Feature |
odorless and non-toxic. It meets food grade standards. |
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Environmentally Friendly Feature |
using packaging paper and materials that are biodegradable within two years. It can be discarded for use as fertilizer. |
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Regeneration Temperature |
80℃-150 ℃ ( It can be reused after heating for 2-4 hours.) |
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Packaging Material |
breathable material with strong sealing properties. You can customize packaging materials according to your needs. |
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Printing |
You can custom printed text, pictures, logo for better brand images. |
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Packaging Capacity |
1g, 2g, 5g, 10g, 50g, 100g, 500g, 1000g; or custom capacity |
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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. |