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: Option D
This Question Belongs to Chemical Engineering >> Polymer Technology
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B. Phenol & formaldehyde
C. Phenol & acetaldehyde
D. Urea & formaldehyde
Polymethyl methacrylate, which is an acrylic resin, is also called
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A. Improving the stretchability
B. Dyeing/colouring
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B. Epoxy resin
C. Polythene
D. None of these
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