Fine Chemicals


Filter aid 

Molecular formula
Alias name
Commonly used earth filter aid includes diatomite, perlite, cellulose, asbestos, graphite powder, saw dust, magnesium oxide, gypsum, activated carbon, acid clay, etc. In the paper industry, filter aids are added to improve the drainage and dehydration rate of wet paper from the paper screen end; commonly used are cationic polyelectrolyte polymers such as polyethylene imine, cationic starch, polyamide, polyacrylamide, etc. 
Production methods
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