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Distinguish between natural rubber and vulcanized rubber

written 6.2 years ago by teamques10 ★ 68k

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engineering chemistry

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written 6.2 years ago by teamques10 ★ 68k

Natural Rubber	Synthetic Rubber
It is an elastic material obtained by a milky white emulsion (latex) of rubber trees (Hevea Barsilensis).	It is a rubber like product obtained by some chemical reactions.
It is an polymer of isoprene (C5H8)x molecule.	It is a polymer of substance having unsaturated nature.
It is non resistance to oxidation.	It is highly resistance to oxidation.
It becomes soft & sticky by application of heat.	It does not become soft & sticky by application of heat.
Its tack property is high.	Its tack property is low.
It is soluble in organic solvents.	It is insoluble in organic solvent.
High absorption of water.	Low absorption of water.
Low abrasion resistance.	High abrasion resistance.
Elasticity is very high.	Elasticity is very low.
Low tensile strength.	High tensile strength.
Useful temp range is 10 to 60 C	Useful temp range is 40 to 100 C.

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