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Materials - Physical Properties |
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Materials physical Properties (print
PDF) |
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| Properties |
Natural Rubber |
Styrene-Butadiene |
Ethylene Propylene |
Neoprene |
Nitrile |
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Hardness Range
(Shore A) |
20-90 |
40-90 |
30-90 |
10-95 |
20-98 |
| Tear Resistance |
Good |
Fair |
Good |
Good |
Fair |
| Abrasive Resistance |
Excellent |
Good |
Good |
Excellent |
Good |
| Compression Set |
Good |
Excellent |
Good |
Fair to Good |
Good |
| Permeability to Gases |
Fair |
Fair |
Fair to Poor |
Low |
Fair |
| ACID
RESISTANCE: |
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| Dilute |
Fair to Good |
Fair to Good |
Excellent |
Very Good |
Good |
| Concentrated |
Fair to Good |
Fair to Good |
Good |
Good |
Good |
| SOLVENT
RESISTANCE: |
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| Aliphatic Hydrocarbons |
Poor |
Poor |
Poor |
Good |
Excellent |
| Aromatic Hydrocarbons |
Poor |
Poor |
Poor |
Fair |
Good |
Oxygenated
(ketones, etc.) |
Good |
Poor |
Good |
Poor |
Poor |
| Lacquer Solvents |
Poor |
Poor |
Good |
Poor |
Fair |
| Swelling in Lubricating Oil |
Poor |
Poor |
Poor |
Good |
Very Good |
| RESISTANCE: |
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| Oil and gasoline |
Poor |
Poor |
Poor |
Good |
Excellent |
| Water absorption |
Very Good |
Very Good |
Excellent |
Good |
Fair to Poor |
| Ozone |
Fair |
Fair |
Excellent |
Excellent |
Fair |
| Sunlight |
Poor |
Fair |
Very Good |
Very Good |
Poor |
| Temperature Range °C |
-55 to +80 |
-50 to +100 |
-80 to +150 |
-40 to +100 |
-40 to +100 |
| Major Attributes |
Resilience |
General purpose |
General purpose |
Oil & gas resistance, weatherability |
Oil resistance |
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