Explanation: phenol formaldehyde is used as resin in shell moulding. it acts like a thermoplastic material.
Q. Which is the most widely used resin in shell moulding?
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Correct Answer: (A)
phenol formaldehyde
Explanation by: Mr. Dubey
phenol formaldehyde is used as resin in shell moulding. it acts like a thermoplastic material.
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