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Which of the following is not a type of Blow moulding?

(a) Injection stretch blow molding

(b) Injection blow molding

(c) Thermoforming

(d) Extrusion blow molding

I had been asked this question in a national level competition.

This question is from Blow Molding in Thermoplastics in division Thermoplastic Polymers Properties & Processing of Food Packaging Technology

1 Answer

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Best answer
The correct option is (c) Thermoforming

Explanation: Thermoforming is not a type of Blow moulding. There are three main types of blow molding- extrusion blow molding, injection blow molding, and injection stretch blow molding. Thermoforming is a different process in which thermoplastics are converted into desirable shape by heating and stretching.

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