Fournisseur chinois à bas prix de Fumed Silica

BASIC INFORMATION

Product Name

Fumed silica

Chemical Name

White carbon black

Other Name

white carbon;

Silicondioxidehydrate;

Silica, hydrate;

Silica Dioxide

Chemical Formula

SiO2.x(H2O)

Molecular Weight

60

CAS No.

10279-57-9

EINECS No.

238-878-4

Structure

Item

Standard

Appearance

White powder

Specific Surface Area BET(m2/g)

200±20

pH Value in 4% dispersion

3.8~4.2

Loss on Drying 2h@ 105℃(%)

≤1.5

Loss on Ignition 2h@ 1000℃(%)

≤1.5

Fe2O3  (mg/kg)

≤0.003

AL2O3  (mg/kg)

≤0.002

Chloride  (mg/kg)

≤0.0056

Bulk Density (g/l)

40~60

SiO2   Content(%)

≥99.8

USAGE

Mainly used as high-temperature vulcanized silicone rubber, organic silicone defoamer, advance printing ink, powder coating, PVC resin, unsaturated polyester resin thickening, thixotropic agent, pharmaceutical powder, tabular preparation, cosmetics etc.

PACKAGE & STORAGE

Package

As the client's request.

Storage

The product should be stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to direct sunlight.