Chlorosulfonated Polythene Rubber (CSM)
Chlorosulfonated Polythene Rubber (CSM) is noted for its resistance to chemicals, temperature extremes and UV light.
Typical applications
- Inflatable boats and kayaks
- Roofing applications
Advantages
Disadvantages
Properties
Resistance
Advantages
- Resistant to weathering, oxygen and UV (colour degradation)
- Good high temperature resistance
- Good oil resistance
- Full colour range
Disadvantages
- Poor fuel resistance
Properties
| Hardness Range | 40 – 85° |
| Heat Resistance | |
| Maximum Continuous | 130°C |
| Maximum Intermittent | 160°C |
| Low Temperature Resistance | -25°C |
Resistance
| Resistances | |
| Oxidation | Excellent |
| Ozone & Weathering | Outstanding |
| Oil Resistance | |
| ASTM Oil No.1 @ 20°C | Excellent |
| ASTM Oil No.1 @ 100°C | Good |
| ASTM Oil No. 3 @20°C | Excellent |
| ASTM Oil No. 3 @ 100°C | Fair |
| Fuel Resistance | |
| ASTM Fuel @ 40°C | Poor |
| Solvent Resistance | |
| Alcohol @20°C | Good |
| Acetone @20°C | Fair |
| Benzene @20°C | Unsatisfactory |
| Chemical Resistance | |
| Acids | Very Good |
| Bases | Good |
| Physical Strength | Good |
| Compression set | Fair |
| Tear & Abrasion Resistance | Good |
| Resilience | Fair |
| Permeability to Gases | Low |
| Electrical strength | Good |
| Flame Resistance | Good |
| Water Resistance | Very Good |
