Explain the difference between Buna-N and Buna-S.

Question:

Explain the difference between Buna-N and Buna-S.

Solution:

Buna − N is a copolymer of 1, 3−butadiene and acrylonitrile.

Buna − S is a copolymer of 1, 3−butadiene and styrene.

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