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Clay is used in the CO2 molding process.

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in Foundry and Forging by (110k points)
Clay is used in the CO2 molding process.

(a) True

(b) False

This question was posed to me during a job interview.

I would like to ask this question from Carbon Dioxide Mould in portion Moulding Machines & Special Moulding Processes of Foundry and Forging

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The correct choice is (a) True

The best explanation: The clay is used alongside sodium silicate as a binder. The clay used is usually in small quantities. The clay and starch (often used) are added to improve the green strength of the mix prepared.

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