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

Related Mcqs:

Polypropylene compared to polythene is___________________?

A. Harder B. Stronger C. Lighter D. All A., B. and C....

The rate controlling step in the manufacture of silicone rubber is the_________________?

A. Polymer termination step B. Condensation of siloxane to silicone C. Initial hydrolysis of silicone monomer D. None of these...

Vulcanisation of rubber does not increase its__________________?

A. Softness B. Oxidation resistance C. Weight & strength D. Elasticity & water solubility...

Thermosetting materials_________________?

A. Are cross-linked molecules B. Soften on application of heat C. Are solvent soluble D. None of these...

Trade name of ______________ is neoprene?

A. Polychlorophrene B. Polyisoprene C. Polytetrafluoroethylene D. Poly vinyl acetate...