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 | Specification |
Adsorption Capacity (25℃)% | RH=20% ≥ | 11.0 | 11 |
RH=50% ≥ | 26.0 | 26 |
RH=90% ≥ | 36.0 | 36 |
Loss on drying ,% ≤ | As agreed | 2 |
PH | 4--8 | 90 |
Specific Resistance, (Ω.cm) ≥ | 4000 | according to the agreement |
SiO² % ≥ | 99 | according to the agreement |
| Qualified ratio of spherical granules % ≥ | 90 |
|
Ratio of particle size % ≥ | 90 | 4-8 |
| Bluk density g/L ≥ | 750 | 4000 |
| 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.
