Rubber Products Guideline
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| COMPARATIVE PROPERTIES OF ELASTOMER |
| Properties |
Natural |
Butyl |
Nitrile |
Polychloroprene
(Neoprene |
Hypalon |
EPDM |
Floroelastomer
(VITON ) |
Silicon |
Polyurethane |
| Tensile Strength of Carbon Black Loaded Elastomer. |
Over
20.7
MPa. |
Over
13.8 MPa. |
Over
13.8 MPa. |
Over
20.7 MPa. |
Over
20.7 MPa. |
Over
20.7
MPa. |
Over
13.8
MPa. |
Over
10.3 MPa. |
- |
| Hardness Range (Durom.A) |
30-90 |
40-75 |
40-95 |
40-95 |
40-95 |
40-90 |
55-95 |
40-85 |
60-99+A (upto 80 D) |
| Adhesion to Metals |
Excellent |
Good |
Excellent |
Excellent |
Excellent |
Good to Excellent |
Fair to Good |
Excellent |
Excellent |
| Adhesion to Fabrics |
Excellent |
Good |
Good |
Excellent |
Good |
Good |
Good to Excellent |
Excellent |
Very Good to Excellent |
| Tear Resistance |
Good To Very Good |
Good |
Fair |
Good |
Fair |
Fair to Good |
Fair |
Poor |
Excellent |
| Abrasion Resistance |
Excellent |
Good |
Good |
Excellent |
Excellent |
Excellent |
Good |
Poor |
Outstanding |
| Compression Set |
Good |
Fair |
Good |
Fair to Good |
Fair |
Good |
Fair to Good (Exc. at high temp) |
Fair |
Fair |
| Hot Rebound |
Excellent |
Poor |
Good |
Very Good |
Fair to Good |
Very Good |
Fair to Good |
Excellent |
Good (Poor at very low temp) |
| Cold Rebound |
Excellent |
Very Good |
Good |
Very Good |
Good |
Very Good |
Good (Exc. at high temp.) |
Excellent |
Good at R.T |
| Dielectric Strength |
Excellent |
Excellent |
Poor |
Good |
Very Good to Excellent |
Excellent |
Good |
Good |
Excellent |
| Electric Insulation |
Good to Excellent |
Good to Excellent |
Poor |
Fair to Good |
Good |
Excellent |
Fair to Good |
Excellent |
Fair to Good |
| Acid Resistance (Dilute) |
Fair to Good |
Excellent |
Good |
Excellent |
Excellent |
Excellent |
Excellent |
Excellent |
Fair |
| Acid Resistance (Concentrated) |
Fair to Good |
Good |
Good |
Good |
Very Good |
Excellent |
Excellent |
Fair |
Poor |
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