silica gel
Characteristics
Shape: pellets or lumps.Color: milky white, transparent or translucent.Pore volume: 0.60-0.85ml/g.Average pore diameter: 4.5-7.0nmSpecific surface area: 450-650m2/g.Structure lying between macro-pored and fine-pored silica gels.
UseMainly used as liquid adsorbents, drier and perfume carriers, also may be used as catalyst carriers, silica sands, etc.
Technical Data
ITEM | Specifications | Typical values( 2-5mm) | ||
Superior class | First class | |||
Adsorption capacity | RH=20% ≥ | 4.0 | 3.0 | 6.2 |
RH=50% ≥ | 11.0 | 10.0 | 16.2 | |
RH=90% ≥ | 70.0 | 50.0 | 73.9 | |
Loss on heating, % ≤ | 2.0 | 2.0 | 1.0 | |
Specific resistanceΩ. cm≥ | 5000 | 3000 | 12500 | |
PH | 5.57.5 | 48 | 6.7 | |
Bulk density, g/L | 500600 | 500600 | 518 | |
sizes0.51.5mm25mm35.5mm48mm.packing15kg per compound bag or 300kg. Per container bag.note The moisture content, packing and size may be customized per your specific requirements.
Silica Gel Type B
