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

Buna-S

Buna-N

1. It is formed from 1,3- butadiene and styrene in presence of sodium.

1. It is formed from 1,3-butadiene and acrylonitrile in presence of sodium.

2. Bu refers Butadiene, Na refers Sodium and S refers Styrene

2. Bu refers Butadiene, na refers Sodium and N refers acrylonitrile

3. It is used for making automobile tyres, rubber belts, etc.

3. It is used for manufacturing of tank linings, protective gloves etc.

4.

4.