fine-pored silica Gel (Type A silica gel)
See larger image: fine-pored silica Gel (Type A silica gel)
Product Details
Characteristics
transparent or translucent, glass-like pellet or lump.
Average pore diameter: 2.0-3.0 nm. Specific surface area: 650-800m2/g
Pore volume:0.35-0.45 ml/g. specific heat:0.92KJ/kg..
Thermal conductivity:0.63KJ/m.hr..
Use
Mainly used for drying and moisture proof, may also be used as catalyst carriers, adsorbents, separators and variable-pressure adsorbents, etc.
Technical Data
ITEM | Specifications | Typical values | |||
Superior class | First class | Qualified class | |||
Adsorption capacity | RH=20%,% ≥ | 10.5 | 10 | 8 | 11.2 |
RH=50%,% ≥ | 23 | 22 | 20 | 29.2 | |
RH=90%,% ≥ | 34 | 32 | 30 | 37.6 | |
Loss on heating,% | 2.0 | 4.0 | 6.0 | 1.0 | |
PH value | 4-8 | -- | -- | 4 | |
Specific resistance,Ω. cm | 3000 | -- | -- | 5630 | |
Silica% | 98 | -- | -- | 98.5 | |
Qualified ratio of spherical granules,% ≥ | 82 | -- | -- | 90 | |
Size | * | * | * | 2-5mm | |
Bulk density, g/L | * | * | * | 784 | |
Negotiable | |||||
Note: qualified ratio of spherical granules is only applicable to fine-pored silica gel | |||||
Sizes: 0.5-1.5mm, 0.5-1mm,2-4mm, 2-5mm,4-8mm.
Packaging: 25kg per bag or 500kg per bag, net.
Note: The moisture content, packing and size may be customized per your specific requirements.
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