| Clwyd reference |
CR |
| ASTM classification |
CR |
| Typical applications |
|
| Advantages |
|
| Disadvantages |
|
|
| Available hardness range (Shore A) |
35 - 95 |
| Upper continuous service temp. |
100°C |
| Min. temp. for sealing applications |
-40°C |
| Minimum non-brittle temp. |
-50°C |
| Tensile strength (up to) |
23 MPa |
| Elongation at break (up to) |
450% |
|
| Price Bracket |
Very low |
| ASTM 1 Oil |
Excellent |
| ASTM 2 Oil |
Good |
| ASTM 3 Oil |
Good |
| Kerosene |
Good |
| Liquid B |
None |
| Liquid 101 |
None |
| Phosphate ester |
None |
| Ketone |
Average |
| Toluene |
None |
| Iso-octane |
Average |
| Methanol |
Excellent |
| Acid (weak) |
Good |
| Acid (strong) |
None |
| Base (weak) |
Good |
| Base (strong) |
Average |
| Hydrogen sulphide |
Average |
| Steam |
Average |
| Ozone |
Good |
| Radiation |
Good |
