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Specifications

We are a manufacturer and exporter of sodium metasilicate pentahydrate and anhydrous in Qingdao China. More than 80, 000 metric tons of sodium metasilicate are produced by us every year and about 3,000 metric tons are exported per month all over the world at present. Our products are made from highest quality of raw materials and have been certified by ISO9001. Quality products and sincere service has won our customers' trust and we become one of the leading manufacturers of sodium metasilicates in China.

Formula: Na2SiO3 5H2O ( white granular)
 
Packing: stuffed into 25kg plastic woven bags, ≥20mts per container
Delivery time: in one week after payment
Payment: by T/T
Period of validity: 30days
Specifications for sodium metasilicate pentahydrate:
Sodium oxide(Na2O)%  28.00-30.00      
Silica(SiO2)%   27.00-29.00
Water insoluble%     ≤0.2     
Iron(Fe)%    ≤200ppm   
Whiteness   ≥75      
Particular Size(16-30mesh)%     ≥90      
PH (1%SOLUTION) 12.5±1.0%