Question

Are foaming agents used in plastic?

(a) True

(b) False

The question was asked in an interview for job.

I need to ask this question from Additives in Plastics topic in chapter Plastic Polymers Structure & Properties of Food Packaging Technology

Answer 1

Correct option is (a) True

To explain: Foaming agents are also known as blowing agents. They are used during the process of blow moulding, to reduce or eliminate sink marks. It gives a foam structure to the plastic, hence the name foaming agent.