【Characteristics】
Type B silica gel is spherical or lump with milky white, transparent or translucent color. Its Pore structure is between wide pore and narrow pore silica gels.
Pore volume: 0.60-0.85ml/g.
Average pore diameter: 4.5-7.0nm
Specific surface area: 450-650m2/g.
【Use】
Mainly used as adsorbent for water and gas and perfume carriers, also may be used as catalyst carriers, silica sands, atmosphere humidity regulator , whitening agent etc.
Detailed information:
【Size】
1-3mm, 2-4mm, 3-5mm, 4-8mm
【Packaging】
5kg per compound bag or 550 kg per container bag.
【Note】
The moisture content, packing and size can be customized according to the customer's requirements.
Item | Specification | Typical value | ||
Superior class | First class | |||
Adsorption capacity% | RH=20% | 5.0min | 4.0min | 6.2min |
RH=50% | 13.0min | 11.0min | 16.2min | |
RH=90% | 70.0min | 50.0min | 73.9min | |
Loss on heating，% | 2.0 | 2.0 | 1.0 | |
Specific resistance，Ω.cm | 5000min | 3000min | 7200min | |
PH value | 5.5—7.5 | 4—8 | 6.7 | |
Bulk density, g/l | 500—600 | 500—600 | 538 | |
