to Elastomers
to Properties of polymers

Elastomer Polyisoprene (natural rubber)

(submitted by the website administration)

Elastomer
Polyisoprene (natural rubber)
Property	Value in metric unit		Value in US unit
Density	0.93 *10³	kg/m³	58.1	lb/ft³
Tensile strength	20	MPa	2900	psi
Elongation	800	%	800	%
Glass transition temperature	-70	ºC	-94	ºF
Maximum work temperature	80	ºC	176	ºF
Electric resistivity	10⁷-10⁹	Ohm*m	10⁹-10¹¹	Ohm*cm
Dielectric constant	2.7	-	2.7	-

Excellent abrasion resistance;
Excellent tear strength;
Excellent resilinence;
Excellent low temperature flexibility;
Excellent dielectric strength;
Poor resistance to ozone and oxygen;
Poor resistance to sunlight and heat;
Poor resistance to solvents.

Applications: automobile tires, gaskets, hoses.

Related internal links

to Elastomers
to Properties of polymers