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In thermoforming, it is very easy to mould the plastic materials which are of crystalline nature.

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in Casting-Forming-Welding II by (119k points)
In thermoforming, it is very easy to mould the plastic materials which are of crystalline nature.

(a) True

(b) False

This question was addressed to me during an interview.

The origin of the question is Blow Moulding and Thermoforming in division Moulding with Polymers of Casting-Forming-Welding II

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Correct option is (b) False

Explanation: The most widely used plastic materials in thermoforming process are amorphous or non-crystalline nature. This mainly includes moulding of plastic materials such as polyvinyl chloride (PVC), polyethylene, polystyrene, acrylic, polycarbonate etc. Crystalline nature of materials cannot be moulded through this process.

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