Question

why frying pan handles are made of thermosettings plastics but not of thermoplastics

Answer 1

Thermosetting plastics can only be molded once into a particular form i.e. it can't be remoulded  ,so its used as a handle whereas thermoplastics can be remoulded at a particular temperature . so that the handles don't deform while cooking we using thermosetting instead of thermo plastics

Answer 2

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Thermoplastics are not suitable for making handles of frying pans because they are flexible and soften on heating. On the other hand thermosetting plastics are used because they do not become soft on heating and are very hard and rigid.