The main material of oil refining catalyst, silica gel and white carbon black.Low price and good quality.

Usage: In the industries of paper, soap, detergent, construction materials, delicate casting, anti-corrasion material, textile, and mineral floating select. And it is primary raw material of silicon rubber, silicon aluminum rubber, moisture absorbent, catalyst and its carrier, desalt agent of brine, hydrated silica and absorbent. Specification:

ITEM	Index
	One Sort
	1	2	3	4	5
Density	35.0-37.0	39.0-41.0	44.0-46.0	39.0-41.0	50.0-52.0
Sodium oxide (Na2O),% >	7.0	8.2	10.2	9.5	12.8
Silicon dioxide (SiO2),% >	24.6	26.0	25.7	22.1	29.2
Modulus M	3.5-3.7	3.1-3.4	2.6-2.9	2.2-2.5	2.2-2.5
Fe ,%                           <	0.02
Insolubles In water,%     <	0.2

       

Water glass(Sodium Silicate)