Properties
Fine porous silica gel, also called Type A silica gel, includes fine porous spherical silica gel and fine porous blochy silica gel. The appearance is transparent or translucent The average pore diameter is 2.0-3.0 mm, surfacearea is 650-800m²/g;the pore volume is 0.35-0.5ml/g; specific heat is 0.92 KJ/kg * ℃ .
Application
Mainly used for drying and moisture proof, may also be used as catalyst carriers, adsorbents, separators and variable pressure adsorbents, etc.
Data sheet:
Item  | parameters | |
Adsorption Capacity (25℃)%  | RH=20% ≥  | 11.0 | 
RH=50% ≥  | 26.0 | |
RH=90% ≥  | 36.0 | |
Loss on drying ,% ≤  | As agreed | |
PH  | 4--8 | |
Specific Resistance, (Ω.cm) ≥  | 4000 | |
SiO² % ≥  | 99 | |
| Qualified ratio of spherical granules % ≥ | 90 | |
Ratio of particle size % ≥  | 90 | |
| Bluk 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.