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Chloroprene Rubber (CR) > > |
| Abbreviation |
CR |
| Common Name |
Neoprene |
| ASTM D-2000 classification |
BC, BE |
| Military(Mil-Std417) |
SC |
| Chemical Definition |
Polychloroprene |
| General Characteristics |
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| Durometer-Range (Shore A) |
20-95 |
| Tensile Range (P.S.I) |
500-3000 |
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| Elongation (Max.%) |
600 |
| Compression Set |
Good |
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| Resilience-Rebound |
Excellent |
| Abrasion Resistance |
Excellent |
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| Tear Resistance |
Good |
| Solvent Resistance |
Fair |
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| Oil Resistance |
Fair |
| Low Temperature Usage (°F) |
+10° to -50° |
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| High Temperature Usage (°F) |
to 250° |
| Aging Weather-Sunlight |
Good |
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| Adhesion To Metals |
Good to Excellent |
Feature
Advantage:
- High resilience with low compression set.
- flame resistance.
- Compounds free of sulphur are easily made.
- Animail and vegetable oil resistance.
- Not affected by moderate chemicals, fats, greases and many oils and solvents.
Disadvantage:
- Not recommended for strong oxidizing acids, esters, ketones, chlorinated aromatic and nitro hydrocarbons.
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