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__________ is a binder made from starch.

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in Foundry and Forging by (110k points)
__________ is a binder made from starch.

(a) Cereal Binder

(b) Pitch

(c) Limed wood resin

(d) Dextrin

This question was posed to me in a job interview.

Asked question is from Binders and its Applications in division Casting Processes of Foundry and Forging

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The correct option is (d) Dextrin

For explanation I would say: Dextrin is a carbohydrate which is produced by hydrolysis of starch or glucose. They are low molecular weight components and have significant binding properties. It is low cost and highly efficient binder.

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