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Comparative properties of variouComparative properties of various rubbers


General Purpose Natural RubberSTRONG
EPR
PCP
CSP
Silicon
PTFE (Teflon)
Halogen Free Rubber
Tensile Strength Strength
Excellent
Good
Very
Good
Very
Good
Good
-
Good
Elongation
Excellent
Good
Very
Good
Very
Good
Good
-
Good
Abrasion resistance
Excellent
Excellent
Excellent
Excellent
Average
Good
Excellent
Insulation resistance
Good
Excellent
Average
Average
Good
Good
Average
Oil resistance
Average
Very Good
Excellent
Excellent
-
-
Excellent
Heat resistance
Good
Very Good
Very
Good
Very
Good
Excellent
Excellent
Very
Good
Ozone resistance
Average
Excellent
Excellent
Excellent
Excellent
Excellent
Excellent

Working temperature of various polymers

S. No
Name of Material
Max. Conductor Temp. (°C)
Min. (Temp.) °C
1
Natural Rubber (VIR)
60
-55
2
Ethylene Proplene Rubber (EPR)
90
-60
3
Silicon Rubber
150
-55
4
Butyl Rubber
85
-55
5
Polychloroprene (PCP)
70
-55
6
Styrene Butadane Rubber (SBR)
60
-55
7
(CSP) Hypalon (Chlorosoulphonated Polythylene)
90
-35
8
NBR + PVC Blend
80
-20
9
PTFE
260
-65
10
PVC (General Purpose)
70
-20
11
PVC (Heat Resistant)
85
-20