Silica Gel Type B CAS NO:112926-00-8 Molecular formula:SiO2.nH2O Properties: Milky white,transparent or translucent.Average pore diameter 4.5-7.0nm.Specific surface area 450-650 m 2 /g.Pore volume 0.60-0.85 ml/g.Structure lying between macro-pored and fine-pored silica...
Silica Gel Type B
CAS NO: 112926-00-8
Molecular formula: SiO2.nH2O
Properties:
Milky white,transparent or translucent.Average pore diameter 4.5-7.0nm.Specific surface area 450-650 m2/g.Pore volume 0.60-0.85 ml/g.Structure lying between macro-pored and fine-pored silica gel.
Application:
Mainly used as liquid adsorbents,drier and perfume carriers,also may be used as catalyst carriers,silica sands,etc.
Specification:
Items | Discoloring | Blue | |
Adsorption capacity,25ºC(%) | RH=10% | 4.0 min. | 3.0 min. |
RH=20% | 11.0 min. | 10.0 min. | |
RH=80% | 70.0 min. | 50.0 min. | |
Qualified ratio of spherical granules(%) | 82 min. | - | |
Loss on Heating(%) | 2.0 max. | 2.0 max. | |
PH | 5.5-7.5 | 4-8 | |
Specific resistance(Ω.cm) | 5000 min. | 3000 min. | |
Silica(%) | 98 min. | 98 min. | |
Qualified size ratio(%) | Negotiable | Negotiable | |
Bulk density(g/l) | Negotiable | Negotiable | |
Size | 0.5-1.5 mm,2-5mm,3-5 mm,4-8mm | ||
Note:The qualified rate of spherical particles is only suitable for silica gel B type bead. | |||
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