Specification :

Appearance: white powder
Specification:

Terms I II III IV V
Na2O% 25.5-29.0 23.0-26.0 21.0-23.0 18.5-22.5 19.0-21.0
SiO2 % 49.0-53.0 51.0-55.5 56.0-62.0 55.0-64.0 60.0-66.5
Modules ( M) 2.00± 0.10 2.30± 0.05 2.85± 0.05 3.00± 0.05 3.30± 0.05
Solution velocity ( S/ 30 ) d60 d80 d180 d240 d240
Bulk weight ( g.ml-1 ) 0.30-0.80 0.40-0.80 0.50-0.80 0.50-0.80 0.60-0.80
Fineness ( Sieving Rate,
120 mesh) / % e95 e95 e95 e95 e95

Usage: it is widely used in the areas of metallurgy, electricity power, petrol-chemical industry and construction materials. The applications include amorphous refractory materials, adhesives, industry detergent, soap manufacturing, acid-resistant cement, fast drier and reinforcement in the areas of fine ceramic industry and precise casting industry.