Bentonite molding sands are used primarily in the production of ferrous and non-ferrous castings. The high thermal durability and strength of Bentonite in molding sand helps to maintain dimensional accuracy and minimize scrap.
National Standard Western Bentonite offers exceptional green, dry and hot strengths. Our Premix is a family of green sand binders offering single package convenience. Premix features National Standard Western Bentonite clays customized for customers specific needs with the addition of binder ingredients such as seacoal, cellulose, or gilsonite.
Packaging: 3,000lb super sacks, bulk tanker and 50lb bags