Research Article
Introduction to the New Copolymer of Chloroprene and Acrylonitrile with Differentiated Properties
Table 4
Properties of vulcanizates of acrylonitrile-chloroprene rubber (NCR), chloroprene rubber (CR), and nitrile rubber (NBR).
| | NCR | CR | NBR |
| | Modulus at 100% elongation (MPa) | 4.6 | 8.0 | 3.8 | | Tensile strength (MPa) | 21.5 | 22.3 | 19.6 | | Elongation at break (%) | 337 | 228 | 411 | | Hardness (Shore A) (units) | 72 | 73 | 71 | | Tear strength (N/mm) | 53 | 55 | 68 | | Abrasion resistance (DIN) (, mm3) | 106 | 108 | 96 | | Heat buildup (, °C) | 43 | 35 | 70 | | Flex-fatigue resistance at 100°C () | >200 | 0.2 | 74 |
|
|
