Thermocole is a spongy, porous, rigid or flexible foamed plastic, obta – McqOptions

MCQOPTIONS

1.	Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten
A.	saturated polyester
B.	polyurathane
C.	polystyrene
D.	either (b) or (c)
Answer» E.

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