Polyacrylic Rubber (ACM)
Polyacrylic Rubber (ACM) has outstanding resistance to oil and oxygen at normal and high temperatures.
Typical applications
- Automotive transmission seals and hoses
- Adhesive formulations
Advantages
Disadvantages
Properties
Resistance
Advantages
- Outstanding resistance at normal and high temperatures to oil and oxygen
- Good weathering and ozone resistance
- Good heat resistance
- Resists flex cracking
Disadvantages
Poor resistance to moisture, acids and bases
Properties
| Hardness Range | 25 – 85° |
| Heat Resistance | |
| Maximum Continuous | 175°C |
| Maximum Intermittent | 180°C |
| Minimum temp for sealing applications | -60°C |
| Minimum non brittle temp | -60°C |
| Tensile Strength (up to ) | 20 MPAa |
| Elongation at break (up to) | 450% |
Resistance
| Resistances | |
| Oil Resistance | |
| ASTM Oil No.1 | Good |
| ASTM Oil No.2 | Good |
| ASTM Oil No. 3 | Good |
| Solvent Resistance | |
| Alcohol @20°C | Good |
| Acetone @20°C | Fair |
| Benzene @20°C | Unsatisfactory |
| Chemical Resistance | |
| Acid (weak) | Good |
| Acid (Strong) | None |
| Base (Weak) | None |
| Base (Strong) | None |
| Hydrogen Sulphide | None |
| Steam | None |
| Radiation | Good |
| Oxidation | Excellent |
| Ozone & Weathering | Excellent |
