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buna-S ,buna –N are

$\begin {array} {1 1} (a)\; Thermoplastics & \quad (b)\;Elastomers \\ (c)\; Rubbers & \quad (d)\;Thermosetting\: polymers \end {array}$

1 Answer

Buna N is a copolymer of 1, 3 butadiene and acrylonitrile. Buna S is a copolymer of 1, 3 butadiene and styrene.
Ans : (c)
answered Mar 12, 2014 by thanvigandhi_1
 
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