The 20*40mm 1g white silica gel desiccant has a moisture absorption rate of up to 30%. With the three-dimensional advantages of "tiny volume + precise moisture control + medical-grade safety," it can quickly enter high value-added markets such as medicine, food, and electronics, meeting customers,dual needs for ultimate protection + brand value-added.
Product Parameters
|
Brand |
DINGXING |
|
Size |
20*40mm |
|
Packaging Material |
Tissue paper |
|
Number of packing |
8000 packs/box |
|
Product Name |
1g white silica gel desiccant |
|
Bead Size |
2-4mm |
|
Color |
Transparent |
|
Printing |
Customized |
|
Moisture Content |
5% |
|
Moisture Adsorption |
25℃,RH=20%,≥10% 25℃,RH=80%,≥34% |
|
Cetification |
REACH,ROHS,DMF,SVHC by SGS |
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Product feature and application
Product feature
FDA-Compliant for Direct Drug/Food Contact
The FDA 21CFR and EU 10/2011 have certified Dingxing's silica gel desiccant, which has a heavy metal residue of less than 0.1 ppm. It is an FDA-approved, ultra-compact silica gel desiccant sachet for medical & electronics.

2.0.3g Absorption in 24H for Micro Spaces
The moisture absorption capacity in an RH 90% environment is 30% of its own weight (the national standard only requires ≥20%), which is about 5% higher than the moisture absorption rate of silica gel desiccant products of other desiccant peers.
3.3-Layer Leak-Proof Tech, Premium Tissue Paper Packaging Material

With an air permeability of 80-100ml/cm²·h, cotton paper is 1.5-2 times more permeable than non-woven fabrics, therefore guaranteeing that moisture rapidly penetrates the packaging and is absorbed by the silica gel. It also employs a 16-20µm fiber interlacing technique with a pore size of <50µm, therefore efficiently preventing the loss of 1-2mm silica gel particles and addressing the issue of product corrosion brought on by desiccant leakage.
Product application
1.The medical and health industry, mainly used in pharmaceutical and biological scenarios, passed FDA 21CFR certification, has heavy metal residue <0.1 ppm, has direct contact with drugs, has medical compliance + low cost dual advantages, and meets ISO 13485 medical device packaging standards and is the best choice for medical moisture-proof compliance.
2.Food and healthcare products industry, mainly used in food, healthcare products, and other scenarios. Food-grade cotton paper has passed the EU 10/2011 migration test, has no plasticizer pollution, and is 40% cheaper than aluminum foil composite bags (aluminum foil bags 0.08 yuan/bag vs. cotton paper 0.03 yuan/bag). It is antibacterial and environmentally friendly, helping the premium product to be more than 20% more.
FAQ
Q: 1.Can food/drugs touch silica gel desiccant safely?
A: Dingxing has FDA 21CFR, EU 10/2011 food grade certification, and SGS heavy metal test report. Our white silica gel purity is ≥99.9%. It has served pharmaceutical companies such as WuXi AppTec and is 100% safe to contact drug capsules.
Q: 2.Do silica gel desiccants absorb moisture at the usual rate? How often must it be replaced?
A: Third-party testing data show that under RH90% the product absorbs moisture at a rate of ≥30%, 50% more than the national norm. Visually showing the replacement cycle, it has a colour-changing silicone indicator (blue–pink).
Q: 3.Does Dingxing support small batch customization of LOGO?
A: Minimum order quantity: 8,000 packs, sample delivery in 3 days, delivery in 7 days, free design service
Q: 4. What is the environmental compliance? Does it meet EU standards?
A: Every item has passed LFGB, REACH, and RoHS certifications; the 3-day degradation rate of packaging materials is ≥70%.
Q: 5. How long is the desiccant effective? How long can it be stored if it is unopened?
A: Unopened shelf life: 2 years (humidity < 40%, dark environment). It is recommended to use within 6 months after opening. Check every 3 months in humid areas.
Cooperation customers
With business spanning several sectors including technology, retail, biomedicine, and intelligent manufacturing, Dingxing has developed close cooperation with global and domestic top companies including Huawei, Costco, Skyworth, Tongrentang, Galanz, etc., showing its cross-industry resource integration capacity and market leadership, and is dedicated to offering consumers customized services.

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