elastomers

Question 1

______ are rubbery plastics. they can be __________ or _________ polymers.

Answer 1

elastomers.
thermoset.
thermosetting.

Question 2

its molecular structure has flexible ___ so it can be squashed or ______. some elastomers have ____ cross links so they cant ____ and others don’t.

Answer 2

rods.
stretched.
melt.

Question 3

_ _ _ is used for over-moulding plastics (toothbrush) or for a plastic rubber on the end of a pencil. it is a _________.

Answer 3

TPE.

thermoplastic.

Question 4

_ _ _ is used to make silicone phones cases and cook wear. it has cross ___ in its molecular structure and is ______ moulded.

Answer 4

LSR.
links.
injection.