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Technical Data
Western Rubbers India Pvt. Ltd.
has compiled a large collection of technical information as a service to
its customers. Please make a selection from the categories below. |
|
| - |
NATURAL RUBBER |
SBR |
EPDM |
NEOPRENE CR |
HYPALON* CSM |
NITRILE NBR |
SILICONE Si |
THERBAN HNBR |
VITON* FPM |
FLUORO- SILICONE FSi |
|
COST FACTOR |
1 |
1 |
1 |
2 |
3 |
2 |
6 |
8 |
15 |
40 |
|
HARDNESS RANGE |
30-95° |
40-95° |
30-85° |
30-90° |
40-85° |
40-100° |
40-80° |
50-95° |
50-95° |
40-80° |
|
COLOURS |
Full Range |
Full Range |
Limited Range |
Full Range |
Limited Range |
Limited Range |
Limited Range |
Limited Range |
Limited Range |
Limited Range |
| HEAT RESISTANCE (°C) Maximum Continuous Maximum Intermittent |
75°C |
85°C 115°C |
130°C 150°C |
95°C 125°C |
130°C 160°C |
100°C 130°C |
205°C 300°C |
125°C 160°C |
205°C 300°C |
180°C 200°C |
|
LOW TEMPERATURE RESISTANCE |
-60°C |
-55°C |
-50°C |
-40°C |
-25°C |
-20°C |
-60°C (special grades -80°C) |
-30°C |
-20°C |
-60°C |
|
RESISTANCES Oxidation Ozone & Weathering |
Fair Poor |
Fair Poor |
Excellent Outstanding |
Very Good Very Good |
Excellent Outstanding |
Good Fair |
Excellent Outstanding |
Excellent Very Good |
Outstanding Outstanding |
Excellent Outstanding |
|
OIL RESISTANCE *ASTM Oil No. 1 @ 20°C @ 100°C *ASTM Oil No. 3 @ 20°C @ 100°C |
Poor Unsatisfactory Unsatisfactory Unsatisfactory |
Poor Unsatisfactory Unsatisfactory Unsatisfactory |
Fair Unsatisfactory Unsatisfactory Unsatisfactory |
Excellent Good Good Fair |
Excellent Good Excellent Fair |
Excellent Good Excellent Good |
Excellent Good Good Fair |
Excellent Excellent Fair Fair |
Excellent 150°C Excellent Excellent 150°C Excellent |
Excellent 150°C Excellent Excellent 150°C Excellent |
|
FUEL RESISTANCE *ASTM FUEL B @ 40°C |
Unsatisfactory |
Unsatisfactory |
Unsatisfactory |
Poor |
Poor |
Fair |
Unsuitable |
- |
Excellent |
Fair (good at low temps) |
|
SOLVENT RESISTANCE (20°C) Alcohol Acetone Benzene |
Good Fair Unsatisfactory |
Good Fair Unsatisfactory |
Good Good Unsatisfactory |
Good Fair Unsatisfactory |
Good Fair Unsatisfactory |
Good Unsatisfactory Unsatisfactory |
Good Fair Unsatisfactory |
Excellent Good Fair |
Good Unsuitable Good |
Good Unsuitable Good |
|
CHEMICAL RESISTANCE Acids Bases |
Fair Good |
Fair Good |
Good Good |
Good Fair |
Very Good Good |
Good Fair |
Fair Fair |
Good Good |
Excellent Good |
Good Fair |
|
PHYSICAL STRENGTH |
Excellent |
Good |
Good |
Good |
Good |
Good |
Poor |
Good |
Good |
Poor |
|
COMPRESSION SET |
Good |
Good |
Good |
Fair to Good |
Fair |
Good |
Fair |
Good |
Good |
Good |
|
TEAR & ABRASION RESISTANCE |
Excellent |
Good |
Good |
Good |
Good |
Good |
Poor |
Very Good |
Good |
Poor |
|
RESILIENCE |
Excellent |
Good |
Very Good |
Very Good |
Fair |
Good |
Good |
Fair |
Fair |
Fair |
|
PERMEABILITY TO GAS |
Poor |
Fairly Low |
Fairly Low |
Low |
Low |
Low |
Fairly Low |
Good |
Very Low |
Fairly Low |
|
ELECTRICAL STRENGTH |
Excellent |
Excellent |
Excellent |
Good |
Good |
Poor |
Excellent |
Poor |
Good |
Excellent |
|
FLAME RESISTANCE |
Poor |
Poor |
Poor |
Self- extinguishing |
Good |
Poor |
Good |
Poor |
Self- extinguishing |
Self- extinguishing |
|
WATER RESISTANCE |
Very Good |
Good |
Excellent |
Good |
Very Good |
Good |
Good |
Very Good |
Good |
Good |
|
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