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.
Product features
● Average pore diameter: 2. 0-3.0nm
● Specific surface: 650-800m2/g,
● Pore volume: 0.35-0.45ml/g
● Specific heat: 0.92KJ/kg. ℃
● Heat conductivity: 0.63KJ/m. Hr. ℃
● Fine-pored silica gel is also called Type-A silica gel.
Application
The gel is mainly used for desiccation and moisture absorption, and as catalyst carrier, adsorbent, separating agent and pressure-swing absorber as well.
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 |
|
Bulk density |
g/L |
784 |
|