Foundry-grade bentonite powder is primarily used as a binding agent in molding sand for metal casting, creating strong, durable molds known as "green sand". It ensures good flowability, compactability, and thermal stability, which are crucial for producing high-quality castings...
We are offering bentonite powder. A sodium bentonite with high bonding properties when mixed with sand, and good swelling, gelling properties. It has a very good cationic exchange capacity. All bentonite is mined in the heidelberg (wc) area....
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