Question

Give difference between natural rubber and vulcanised rubber.

Answer 1

Hmm here ur answer hope it will help u
1) Natural rubber is soft and sticky

Vulcanized rubber is hard and non-sticky.

(2) It has low tensile strength.

It has high tensile strength.

(3) It has low elasticity.

It has high elasticity.

(4) It can be used over a narrow range of temperature (from 10° to 60°C).

It can be used over a wide range of temperature (–40° to 100°C).

(5) It has low wear and tear resistance.

It has high wear and tear resistance.

(6) It is soluble in solvents like ether, carbon, tetrachloride, petrol, etc.

It is insoluble in all the common solvents.

Answer 2

Answer:

Rubber magnets are molded by mixing rubber with ferrite powder. The absorption power is substantially weaker than anisotropic ferrite magnets, but machining can be performed easily after purchasing these products, as they can be cut with a pair of scissors or cutters.