Introduction
Color: transparent or translucent, bead-like.Chemical molecular formula: mSiO₂· nH₂O; Chemically stable, Nontoxic,tasteless, Similar to fine-pored silica gel. but its selective adsorptive capability is higher than fine-pored silica gel.
Application
Variable-pressure adsorption silica gel is one of new high technology and used for gas separation and purification, like carbon dioxide separation and purification in synthetic ammonia industry, food and beverage processing industry. lt can also be used for drying, moisture adsorption and dewatering of organic products.
Technical Specifications
Items | Specifications | Typical Values(2-5mm) | |||
First-grade Product | First-class Product | ||||
Adsorption capacity,% | RH=20% | ≥ | 4.0 | 3.0 | 4.6 |
RH=50% | ≥ | 11.0 | 10.0 | 13.1 | |
RH=90% | ≥ | 70.0 | 50.0 | 70.2 | |
Loss on heating | %≤ | 2.0 | 2.0 | 1.0 | |
Specific resistance(Ω.cm) | ww | 5000 | 3000 | 12500 | |
pH |
| 5.5-7.5 | 4-8 | 6.7 | |
Bulk density | g/L≥ | 500-600 | 500-600 | 530 | |
Size:1-3mm、2.4mm、2-5mm、3-5mm etc.
Packaging: bags of 25kg.
Notes: indicators and specs can be customized.
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Variable-pressure Adsorption Silica Gel
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