Molecular Formular: SiO2.nH2O

Molecular Weight: 60.08

Appearance: White Powder

Relative Density: 2.32-2.65

Melting Point: 1750 degrees Celsius

CAS No.: 7631-86-9

HS code: 281122

Property

A low density,soluble in caustic soda and hydrofluoric acid,insoluble in other acids,water and solvent,high temperature resistant without combustion,a good water absorbability and electrical insulation.

Application

1.HT199 - High transparence, High reinforcing, High abradability

It is mainly used in pharmaceuticals, foodstuffs, feed additive pesticide, dry power fire extinguishing agent and paintings, coatings, etc. Also applied in high-transparent rubber products and shoes soles.

2.HT299-1 - High reinforcing, High abradability

It is mainly used in meridian tyre, also applied in shoes soles, rubber pipe, rubber belt, solid tyre, bicycle tyre and multicolor tyre, ect.

3.HT299-2 - High reinforcing, High abradability

It is mainly used in tyre, also applied in half- transparent multicolor rubber shoes soles and products etc.

Specifications

--Equal or Superior

SiO2 (%)—90min.

Loss on heating(%)105 degrees Celsius 2h--3.0-8.0

Loss of ignition(Dried) 1000 degrees Celsius 2h--3.0-6.0

PH Value--5.5-7.5

BET Specific surface m2/g--145-260

DBP Oil-absorption(cm3/g)--2.0-3.5