NR NBR CR PU rubber roller
>>details
| model | rigidity(JIS-A) | heat resistance | cold resistance | oil resistivity | seasonal resistance | friction resistance | |
| natural rubber | NR | 60 | 120˚ | -50˚ | no | good | better |
| nitro rubber | NBR | 60 | 130˚ | -10˚ | good | good | better |
| chloroprene rubber | CR | 60 | 130˚ | -35˚ | good | better | better |
| polyester rubber | PU | 90 | 80˚ | -30˚ | good | good | better |
