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in Foundry and Forging by (110k points)
Molding sand can withstand chemical reactions on it and prove it to be beneficial for the casting formation.

(a) True

(b) False

I had been asked this question in my homework.

The question is from Properties of Moulding Sand in division Pattern Materials & Moulding Sand Tests of Foundry and Forging

1 Answer

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Best answer
The correct option is (b) False

Easiest explanation: Molding sand is added with chemicals to enhance properties such as permeability, Compressive strength etc., however, the chemical reactions happening is not viable for the formation of the casting as it might cause explosion or severe fatal effects in the casting.

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