Type a Fine-Pored White Silica Gel

  • Model NO.: 1-3mm, 2-4mm, 3-5mm, 4-6mm, 5-7mm
  • Kind: Silica-Gel Desiccant
  • Desiccant: Chemical Desiccant
  • Transport Package: Plastic Bag, 25kg/Bag
  • Origin: China
  • Shape: Beads
  • Sorbent: Silica Gel
  • Trademark: XINGFENG
  • Specification: 1-3mm, 2-4mm, 3-5mm, 4-6mm, 5-7mm
  • HS Code: 3824999990
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. 

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. ºC
*  Heat conductivity: 0.63KJ/m. Hr. ºC
*  Fine-pored silica gel is also called Type-A silica gel. 

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
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


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