As a highly innovative manufacturing enterprise for Air Absorber Packets, Bamboo Charcoal Air Purifying Bag, green bag charcoal, advanced management concept, excellent R&D team, first-class products and services constitute our core competitiveness. Our company has carried out a series of technological innovations over the years, constantly expanding the scale of production. 80% of our products exported to many international markets.
Introduction
Non toxic Silica gel is a high absorbent. Exposing in the air (RH 80%-90%, T 25%) 7 hours, it can absorb 35-39% water. The silica gel is made with the Na 2SiO2 and chemical relative. The character is a lot of holes in inner. The outside structure is the anomalistic graininess.
Specification
1. Pack Weight(bag): 1g, 2g, 3g, 5g, 10g, 20g, 30g, 50g, 100g, 200g, 500g, 1000g or customer-specified
2. Packing Material: tyvek paper, non-woven paper, cotton paper, plastic paper, Aihua paper, CT Cloth,etc
3. Printings: printings in English, Japanese, German and Spanish or customer required.
4. External Package: plastic bags or iron buckets in cartons
5. DMF & CoCl2 Free, SGS, MSDS Approval.
Chemical Data
Ingredient | Content(%) | Ingredient | Content (%) |
SiO2 | 99.6 | MgO | 0.01 |
Na2O | 0.17 | CaO | 0.04 |
Fe2O3 | 0.02 | Al2O3 | 0.16 |
Performance Parameters
No. | Item | Reference Standard JIS-Z0701 |
1 | Moisture Absorption≥(T=25°C) | |
RH=20% | 10% | |
RH=40% | 20% | |
RH=80% | 32% | |
2 | PH | 4-7 |
3 | Packing Density g/L | 750 |
4 | Water Content | <3% |
Application
It is widely used for absorption for moisture in order to keep proper humidity. This kind of desiccant is used widely in the storage of garments, bags, food, medicines,toys, woodworks, instruments, meters, electrical appliances and computers.
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. |
Our top-notch quality and excellent service have made our SMT PCB Use Desiccant Pack Silica Gel DMF Free trusted and appreciated by consumers and established a good corporate image. Our products are mature and we constantly increase our customer base by adding satisfied customers in different stages. Let every customer regardless of the size of product demand, can achieve factory goods price purchase, guarantee cheaper than the market.