Type a Fine-Pored White Silica Gel
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Type A Fine-pored white silica gel
Fine-pored white silica gel includes fine-pored spherical silica gel and fine-pored lumpy silica gel, which are transparent or semitransparent glasslike in appearance.Â
Product Features
*Â Â Average pore diameter: 2. 0-3.0nm
*Â Â Specific surface: 650-800m2/g,
*Â Â Pore volume: 0.35-0.45ml/g
*  Specific heat: 0.92KJ/kg. ºC
*  Heat conductivity: 0.63KJ/m. Hr. ºC
*Â Â Fine-pored silica gel is also called Type-A silica gel.Â
Application
The gel is mainly used for desiccation and moisture absorption, and as catalyst carrier, adsorbent, separating agent and pressure-swing absorber as well.Â
Product specifications
Item
Typical Data
Absorptive capacity
RH=20%, % ≥
11.2
RH=50%, % ≥
29.2
RH=90%, % ≥
37.6
Heat loss
%
≤1.0
pH Value
 4
Specific resistance
Ω.cm
≥5630
Silicon dioxide content
%
≥ 98.5
Percent of pass of spherical particle
%
≥90
Granularity
mm
3-5
Â
Bulk density
g/L
784
Â
Packing
Â