Silicon Dioxide SiO₂ Used For Cosmetics/food

silicon dioxide (chemical formula: the SiO ₂) is a kind of acidic oxides, the natural gas hydrates as silicate (H ₂ the SiO ₃). Silicon dioxide is one of the most important compounds of silicon. The natural silica in the earth accounts for about 12% of the crust's mass, and its existing forms can be classified into crystalline and amorphous types, collectively referred to as silica.It can be used in rubber, glass, cosmetics, food industry.
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Introduction:

silicon dioxide (chemical formula: the SiO ₂) is a kind of acidic oxides, the natural gas hydrates as silicate (H ₂ the SiO ₃). Silicon dioxide is one of the most important compounds of silicon. The natural silica in the earth accounts for about 12% of the crust's mass, and its existing forms can be classified into crystalline and amorphous types, collectively referred to as silica.It can be used in rubber, glass, cosmetics, food industry.

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Specification:

ItemStandard
Appearancewhite powder
Mesh 20≥65
Mesh 60≥75
Heating loss(105°C 1.5h) %4.0~8.0
ignition Loss 1000°C(Dry Basis) %3.0~7.0
DBP (Oil absorption value) cm3/g2.00~2.80
PH value(5% Aqueous Suspension)5.0~8.0
SiO2(Dry Basis) %≥93
BET Specific Surface Area m2/g105~135
Salt As Na2SO4 % m2/g<1.5
Storagein the shade
Packing15kg/bag

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