Cerulean EP 19: Terpolymer EPDM for Heat & Weather Applications
Cerulean EP 19 is a terpolymer EPDM compound specially formulated for heat and weather applications, combining higher resistance to ozone and weathering with unrivalled steam resistance. Its compression set rating at 150°C shows it’s built to handle sustained heat exposure, making it a dependable choice for valves, pumps and automotive components operating in hot, outdoor-exposed environments.
Material Data - Cerulean EP 19
| S.No | Description | ASTM Test Method | Unit | Spec |
|---|---|---|---|---|
| 1 | Hardness | D 2240 | Shore A | 80±5 |
| 2 | Tensile Strength | D 412 | MPa | 10 (Min) |
| 3 | Elongation @ break | D 412 | % | 100 (Min) |
| 4 | Compression Set 22hrs@150°C | D 395 Method B | % | 25 (Max) |
Cerulean EP 19 properties
ISMAT manufactures Cerulean EP 19 as an 80±5 Shore A terpolymer EPDM, validated through in-house testing to ensure consistent quality across every batch. Unlike EPDM grades rated for compression set at 70°C, this compound is tested at 150°C, reflecting its suitability for continuous high-temperature service alongside its weather and ozone resistance.
Cerulean EP 19 also delivers excellent low-temperature properties down to -45°C and unrivalled steam resistance, giving it a wide practical operating window across -45°C to +150°C. That combination makes it well suited for valves, pumps and automotive components that see both cold starts and sustained heat cycling in outdoor or engine-adjacent environments.
Hardness (Shore A): 80±5
Temp Range: -45°C to 150°C
Highly Resistant to Weather and Ozone
Excellent Low Temperature Properties
Unrivalled Steam Resistance
Automobile
