Fine-pored Silica Gel (A Type Silica Gel) CAS 112926-00-8

Fine-pored Silica Gel(A type Silica Gel) CAS NO:112926-00-8 Molecular formula:SiO2.nH2O Properties: Transparent or translucent glass-like pellet or lump.Average pore diameter 2.0-3.0nm.Specific surface area 650-800 m 2 /g.Pore volume 0.35-0.45...

Product Details

Fine-pored Silica Gel(A type Silica Gel)

CAS NO: 112926-00-8

Molecular formula: SiO2.nH2O

Properties:

Transparent or translucent glass-like pellet or lump.Average pore diameter 2.0-3.0nm.Specific surface area 650-800 m2/g.Pore volume 0.35-0.45 ml/g.Specific heat 0.92 KJ/kg,ºC.Thermal conductivity 0.63 KJ/m.hr.ºC.

Application:

Mainly used for drying and moistureproof,may also be used for catalyst carriers,adsorbents,separators and variable-pressure adsorbents,etc.

Specification:

Items

Quality

Superior grade

First grade

Qualified grade

Adsorption capacity(%)

RH=20%

10.5 min.

10.0 min.

8.0 min.

RH=50%

23.0 min.

22.0 min.

20.0 min.

RH=90%

34.0 min.

32.0 min.

30.0 min.

Loss on Heating(%)

2.0 max.

4.0 max.

6.0 max.

PH

4-8

-

-

Specific resistance(Ω.cm)

3000 min.

-

-

Silica(%)

98 min.

-

-

Qualified ratio of spherical granules(%)

82 min.

-

-

Size

0.5-1.5mm,0.5-1mm,2-4mm,2-5mm,4-8mm,or Negotiable

Bulk density(g/l)

Negotiable

Note:qualified ratio of granules is only applicable to fine-pored silica gel.

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