Iron Foundries
High quality coal dust supplied by G&W Mineral Resources is used in the casting of medium and large items in foundries, due to features such as high volatility, low ash and sulphur content.
Bentonite MD foundry grade is a product that is used in all types of green sand moulding systems. The high cation exchange capacity is a benefit to the foundry process.

G&W Bentonite MD
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