Foshan Weller Moisture Proof Technology Co., Ltd. is one of the most experienced manufacturers and suppliers of silica gel container desiccants in China. If you're going to wholesale high quality silica gel container desiccants, welcome to get free sample and discount information from our factory. We also accept customized orders.
Noted: We can custom for specific applications. Accept OEM and ODM orders.
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Specification |
Details |
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Product Name |
Silica Gel Container Desiccants |
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Material |
High-quality silica gel (SiO₂) |
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Type |
Non-toxic, food-grade, and environmentally friendly |
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Moisture Absorption Rate |
Up to 30%-40% of its own weight |
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Absorption Capacity |
Effectively absorbs moisture, odors, and volatile substances |
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Size Options |
100g, 250g, 500g, 1kg, 2kg, or customized sizes |
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Packaging |
Tyvek paper, non-woven fabric, or customized |
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Recommended Usage |
1kg per 1.5-2 cubic meters (adjustable based on humidity levels) |
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pH Level |
Neutral (pH 6.5-7.5) |
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Temperature Range |
−20°C to 80°C |
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Application |
Shipping containers, storage spaces, cartons, electronic goods, textiles |
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Features |
High absorption rate,Leak proof and dust proof, Long-lasting effectiveness |
Main Function
Silica gel container desiccants are mainly used for moisture absorption, moisture resistance and keeping the environment dry. They are made from silicon dioxide materials that are non-toxic, food-grade and environmentally friendly. With strong moisture absorption capacity, they can effectively absorb 30%-40% of its own weight in moisture, so they can be widely used in container transportation. Due to the neutral pH value and wide temperature resistance range, they can provide long-lasting moisture protection in all kinds of environments. In addition, silica gel desiccants are also leak-proof, dust-proof and easy to operate, making it an ideal choice for controlling humidity.
Absorption Capacity Comparison
| Product Type | Silica Gel Container Desiccants | |||
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Condition |
Relative Humidity (RH) |
Temperature |
Moisture Absorption Capacity |
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Standard Conditions |
20-50% RH |
20-25°C (Room) |
~20-30% of its weight |
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High Humidity |
70-90% RH |
25-30°C |
Up to 35-40% of its weight |
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Low Humidity |
Below 20% RH |
20-25°C |
~10-15% of its weight |
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High Temperature |
50% RH |
40-50°C |
Reduced efficiency (~15-20%) |
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Low Temperature |
50% RH |
0-10°C |
Slightly improved (~25-30%) |
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Sealed Container |
Varies |
Stable Temp. |
Depends on initial RH |
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Open/Unsealed Environment |
Fluctuating RH |
Variable |
Rapid saturation (1-2 days) |
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Color Indication Function and Accuracy
We can add color-changing indicators to silica gel container desiccants to achieve humidity detection function. The color change can visually prompt replacement or regeneration. The desiccant status can be quickly determined without professional equipment. Therefore, silica gel is suitable for long-distance transportation that is sensitive to humidity and requires high accuracy judgement. However, care should be taken to avoid direct exposure to strong light or contamination, to prevent misjudgment.
Application
In long-distance transportation, silica gel container desiccants are suitable for use in the following situations:
1. Products that need to strictly control humidity to prevent moisture, mildew or oxidation
2. Passing through high temperature and high humidity areas, or exposed to humid environments for a long time such as sea transportation
3. Non-toxic and chemically inert, suitable for products and fields with very high safety requirements, such as food and medicine; Non-flammable, suitable for air transportation or strictly regulated goods.
4. Low price. They can be reused by heating and regeneration, suitable for cost reduction needs of long-term or large-volume transportation.
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