EPDM Rubber

Colour: Black
Test temperature: 25℃
Relative Humidity: 35%
Shore A hardness degrees ±5: 65
Tensile strength at break: 4.0Mpa
Elongation at break change: 300%
NaoH20%, 23℃ x 24h weight change: +20
Air oven ageing 70℃×72h
Percentage change in tensile strength: ≤20%
Percentage change in elongation at break: ≤25%