+1 vote
in Foundry and Forging by (110k points)
_____________ is the mixture offering a very high stability to the mould.

(a) Bentonite

(b) Dextrin

(c) Molasses

(d) Lumber

I had been asked this question in a national level competition.

I need to ask this question from Moulding Sand Binders and Additives topic in division Pattern Materials & Moulding Sand Tests of Foundry and Forging

1 Answer

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Best answer
Correct choice is (a) Bentonite

Explanation: High quality bentonite bonded molding sands are able to offer the optimum solution for mold stability, providing not only the requisite mechanical properties but the necessary flexibility for the production of castings that comply with the ever stringent demands for quality and productivity.

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