Introduction
Fine porous silica gel, also called Type A silica gel, includes fine porous spherical silica gel and fine porous granular silica gel.The appearance is transparent or translucent. The average pore diameter is 2.0-3.0 mm, surface area is 650-800m2/g; the pore volume is 0.35-0.5ml/g; specific heat is 0.92KJ/kg·℃.
Application
Mainly used for drying and moisture proof, may also be used as catalyst carriers, adsorbents,separators and variable pressure adsorbents, etc.
Technical Specifications
Items | Specifications | |
Adsorption capacity% | RH=20% ≥ | 11.0 |
RH=50% ≥ | 26.0 | |
RH=90% ≥ | 36.0 | |
Loss on heating | %≤ | As per the agreement |
PH value | 4-8 | |
Specific resistance | Ω.cm ≥ | 4000 |
SiO₂ | %≥ | 99 |
Qualified ratio of spherical granules | %≥ | 90 |
Qualified Ratio of Particle Size | %≥ | 90 |
Bulk density | g/L ≥ | 750 |
Note:Qualified ratio of spherical granules is only applicable to fine porous silica gel. | ||
Size:0.2-1mm,0.5-1.5mm,0.7-1.4mm,1-2mm, 1-3mm,2-4mm, 3-5mm, 4-8mm etc.
Packaging: Bags of 25kg or 850kg, or as required.
Notes: The moisture, packing and specification can be customized.
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Type-A Silica Gel
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