Buna-S is also called____________________?

Related Mcqs:

Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its_________________?

A. Elasticity B. Strength C. Plasticity D. Weathering characteristics...

Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxidant used in rubber ?

A. Carbon B. Alkylated diphenyl amine C. Thiokol D. Magnesium...

Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to _________________?

A. Protect rubber goods from attack by oxygen & ozone present in the atmosphere B. Reduce its viscosity to permit easier processing C. Reduce the time of vulcanisation and quantity of vulcanising agent D. Increase its viscosity...

In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is________________?

A. Terylene B. Polybutadiene C. PVC D. Polypropylene...

Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation ?

A. PVC B. Bakelite C. PTFE D. Epoxy resin...