Foshan Weller Moisture Proof Technology Co., Ltd. is one of the most experienced manufacturers and suppliers of silica gel for shoes in China. If you're going to wholesale high quality silica gel for shoes, welcome to get free sample and discount information from our factory. We also accept customized orders.
China Silica Gel For Shoes manufacturers and suppliers since 2009, with our own factory. Accept wholesale, OEM, ODM orders. Provide custom solutions.

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Parameters |
Specifications |
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Product Name |
Silica Gel for Shoes |
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Material |
Silicon Dioxide (SiO₂) |
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Type |
Non-toxic, Desiccant |
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Color |
White, Transparent, Blue or Orange |
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Form |
Granules or Beads |
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Particle Size |
1-8 mm (customizable options available) |
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Absorption Capacity |
30-40% of its weight |
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Packaging |
Small sachets, custom sizes |
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Application |
Moisture control, odor prevention |
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Shelf Life |
Around 24 months if unopened |
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Certifications |
ISO 9001, SGS, RoHS |
This silica gel is a highly effective, non-toxic, and reusable desiccant widely used for shoe care. Its exceptional moisture absorption capacity is due to its microporous structure, featuring a vast network of internal pores.
High Absorption Capacity
Silica gel for shoes has a very high moisture uptake, especially in humid environments.
Under conditions of high relative humidity (RH > 80%), this silica gel can adsorb moisture equivalent to approximately 30-35% of its own weight.
A standard 10-gram packet can absorb around 3 to 3.5 grams of water vapor. Placing a few packets inside shoes or a storage box significantly reduces ambient humidity, preventing mold, mildew, and odor.
Performance Across Humidity Levels
Its efficiency is not binary; it works effectively across a wide range of humidity levels, making it versatile for everyday use and in damp conditions.
- At 20% Relative Humidity, the silica gel for shoes can adsorb about 10% of its weight.
- At 50% Relative Humidity, adsorption increases to roughly 20-22%.
- At 90% Relative Humidity, it reaches its near-maximum capacity of 30-40%.
This demonstrates its consistent utility in both normally dry indoor environments and exceptionally humid climates.
Rapid Absorption Speed
The immense surface area of silica gel allows for fast adsorption kinetics, meaning it starts working immediately.
The internal surface area of silica gel is enormous, typically between 300 to 800 square meters per gram. This allows it to quickly trap and hold water molecules from the surrounding air, showing a noticeable effect within hours.
Reusability (Regeneration)
A major advantage over disposable desiccants is its ability to be regenerated by heating, which drives off the absorbed moisture.
This silica gel for shoes can be fully regenerated by heating it to 100℃-120°C for 1-2 hours. Common methods include using an oven on a low setting, a microwave (in short bursts), or simply leaving it in the sun. A high-quality silica gel packet can undergo this regeneration process dozens, even hundreds, of times before needing replacement, offering outstanding long-term value.
Recommended Dosage of Silica gel for Shoes
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Usage Scenario |
Shoe Type & Size |
Recommended Dosage (in grams & ounces) |
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Per Shoe / Per Pair |
Adult sneakers, dress shoes (US Men's 8-12) |
50-100 grams (1.7 - 3.5 oz) |
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Women's heels, flats (US Women's 6-10) |
30-50 grams (1 - 1.7 oz) |
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Children's shoes, canvas shoes |
20-30 grams (0.7 - 1 oz) |
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Shoe Closet / Box |
Small closet/cabinet (hold 3-5 pairs) |
200-300 grams (7 - 10.5 oz) |
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Medium closet/cabinet (hold 6-10 pairs) |
500-800 grams (17.5 - 28 oz) |
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Airtight storage box (not frequently opened) |
By volume: 500-1000 grams per cubic meter |
Important Considerations
Humidity Level: In very humid climates (e.g., rainy seasons, coastal areas), it is advisable to increase the dosage by 20%-50%.
Primary Functions
- Eliminate Odor: Prevent the growth of odor-causing bacteria and mildew by removing the moisture they need to thrive.
- Prevent Damage: Protect materials, especially leather, from mold, mildew, and deterioration.
- Maintain Shape: Help shoes retain their structure by keeping the interior dry.
- Extend Lifespan: Reduce wear and tear caused by persistent moisture and salt from sweat.
Applications
Its neutral pH and non-corrosive nature make it exceptionally safe and suitable for a vast range of shoe materials.
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Material Category |
Specific Examples |
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Leather |
Genuine Leather (e.g., calfskin, cowhide), Patent Leather, PU/PVC Synthetic Leather |
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Textiles & Fabrics |
Canvas, Cotton, Mesh, Knit (e.g., Flyknit), Primeknit |
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Synthetic Materials |
EVA (insoles/midsoles), TPU, Nylon, Plastic components |
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Suede & Nubuck |
Suede, Nubuck, Reverse Leather |
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Rubber |
Rain Boots, Rubber soles, Canvas shoe toe caps |
If you are interested in our silica gel for shoes, please feel free to contact us !
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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. |

