Subject :NSO Class : Class 8
What are thermosetting and thermoplastic
Ans 1:
Class : Class 9
Thermosetting plastics are synthetic materials that strengthen during being heated, but may get damaged when being tried to molded again. Thermoplastics are different. They can be remelted back into liquids and can be remolded also.
Ex for thermosetting: epoxy resin(m-seal), melamine, urea formaldehyde etc.
Ex for thermoplastics: polythene, polypropylene, polystyrene etc.
Ans 2:
Class : Class 8
Thermo plastics- Plastics which are obtained by gentle heating and then moulding and they can be moulded again and again by gentle heating.
Thermosetting plastics- Plastics which are obtained by gentle heating and then moulding but they cannot be moulded again and again by heating .
Ans 3:
Class : Class 8
they are the different types of plastic. Thermosetting plastics have a cross linked arrangement of monomers whereas thermoplasts have linear
arrangement of monomers