CHLOROPRENE RUBBER (Neoprene® or CR)
- Chloroprene rubber, also called Neoprene, has excellent resistance to oils, ozone and weathering.
- Suitable for moderate acids, alkalis, saline solutions, petroleum, solvents, oils and fuels.
- Not recommended for strong acids or hydrocarbons.
- Great resistance to aging and high temperatures.

Property | Unit | Test | Value |
Color | Black | ||
Specific weight | gr/cm3 | 1,45 | |
Indentation hardness | Shore A | ASTM D2240 | 70 |
Breaking load | MPa | ASTM D412 | 6,0 |
Elongation at break | % | ASTM D412 | 300 |
Tearing | N/mm | ASTM D624 Die C | 15 |
Temperatures | ºC | -20 / 100 | |
Thermal aging (hot air 70ºC 70h) | ASTM D573 | +5 -15 -40 | |
Permanent deformation (70ºC 22h) | ASTM D395 Method B | 35 | |
Solvent resistance (70ºC 70h) | ASTM D471 | +15% +63% | |
Chemical Resistances: | |||
Ozone | Moderate | ||
Diluted acids and bases | Moderate | ||
Concentrated acids and bases | Not recommended | ||
Hydrocarbons | Not recommended | ||
Organic solvents | Not recommended |