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ACC type A silica gel is pellets or lumps shape, with transparent or translucent glassy color. Its pore volume is about 0.35-0.45ml/g, average pore diameter about 2.0-3.0nm, specific surface area about 650-800m2/g, specific heat about 0.92kJ/kg∙°C, thermal conductivity about 0.63kJ/m∙hr∙°C.
Request a QuoteIt is moisture-proof, mainly used for catalyst carriers, adsorbents, separators and PSA adsorbents, etc.
| Item | Specifications | Typical Values | |||
|---|---|---|---|---|---|
| Superior Class | First Class | Qualified Class | |||
| Adsorption capacity at 25 ℃ (%) | RH=20% min | 10.5 | 10.0 | 8.0 | 11.0 |
| RH=50% min | 23.0 | 22.0 | 20.0 | 27.3 | |
| RH=90% min | 34.0 | 32.0 | 30.0 | 36.6 | |
| Loss on heating (max, %) | 2.0 | 4.0 | 6.0 | 1.3 | |
| pH | 4-8 | — | — | 4.7 | |
| Specific resistance ( min, Ω*cm ) | 3000 | — | — | 6250 | |
| SiO2 (min, %) | 98 | — | — | 99.0 | |
| Qualified ratio of spherical granules (min %) | 82 | — | — | 90 | |
| Size (mm) | Negotiable | 2-5 mm | |||
| Bulk density (min, g/L) | Negotiable | 778 | |||
Size: 0.5-1.5mm, 0.5-1mm, 2-4mm, 2-5mm, 4-8mm.
Packaging: 25kg bag or 500kg jumbo bag.
Note: The moisture content, packing and size can be customized per your specific requirements.
Storage and Packing
Silica gel is strong in moisture adsorption, therefore, it should be stored in dry places. Shelf racks should be put between the container and the floor. The available packing are steel drums, paper bags, cardboard boxes plastic bottles, polyethylene plastic compound bags and flexible jumbo bags, etc. Please refer to the categorized product descriptions for detailed packing specifications.
The products should be kept from rain, moisture, sunlight.
