Foundry bentonite

why foundry bentonite is used in industry? sand does not have adhesion properties alone, so bentonite is used in foundry for adhering casting molds. sodium bentonite grades are more suitable for adding to sand soils and they are more useful than calsic grades. for more information, please contact us through: Email: sales1@pub-ltd.com Whats App no: +989909087392 Website: www.pub-ltd.com