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Silica

Chemical Name                                                   

                                                                              Silica

Molecular Formula                                                SiO2·nH2O

CAS NO                                                                 7631-86-9

Specification

Appearance

White Powder/Granule

Silica(Dry Basis)%

98

Type

S115

S125

S155

S175

S195

BET Specific Surface Area m2/g

100-130

115-135

140-160

165-185

185-205

CTAB

90-120

105-125

130-150

155-175

175-195

Bulk Density g/l

190-260 Powder

270-340 /Granule

PH value10% aqueous solution

6.0-7.5

Loss on Ignition(dry basis)% ≤

7.0

Loss on Drying   % ≤

4.0-8.0

 

DBP Adsorption, cm³/100g

200-300

 Residue (45μm ) %≤

0.50

Cu Content, mg/kg≤

30.0

Mn Content, mg/kg≤

50.0

Fe Content, mg/kg ≤

1000.0

%(as per Na2SO4

Soluble Salts%in forms of Na2SO4)≤

1.6


 

 

 

Properties  White granule or powder.

Uses        Good transparent rubber product, shoe-making

Material, additive of plastic and polyester, cover

of cable and electric wire, strengthening agent

of light-colored rubber, carrier of forage additive, pigment additive.

Package     20-25kg/bag

Storage Life 12 month