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Silicic Acid
Product Description

Characteristics

Shape: Irregular grains.

Color: Colorless, transparent glass-like.

Insoluble in acids (except for hydrofluoric acid), soluble in caustic alkali solution.

Compared with silica gel, it contains more hydroxyls and is a kind of high-purity reagent silica gel.


Use

Mainly used for chemical reagents, fusion agent for processing tungsten filaments.


Packaging: 500g net per plastic bottle. 


Technical Data

Name of impuritySpecificationsTypical values
1st Class2ND Class
Loss on Heating, %20-2820-2825.6
Non-volatile substance, % ≤0.20.40.16
Chloride(CI), % ≤0.0050.005<0.005
Sulphate(SO4), % ≤0.020.02<0.020
Heave metal(Pb), ≤0.0050.010.00003
Iron(Fe), % ≤0.0050.0050.0028


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