SYNTHETIC RUBBER EPDM (ETHYLENE-PROPYLENE-DIENE)

  • Rubber or EPDM rubber is an elastomer that offers good resistance to ozone, steam, medium acids and alkalis.
  • Not suitable for solvents and aromatic hydrocarbons.
  • It offers great resistance to aging and high temperatures.
Rubber
Property Unit Test Value
Color Black
Specific weight gr/cm3 1,31
Indentation hardness Shore A ASTM D2240 70
Breaking load MPa ASTM D412 7,0
Elongation at break % ASTM D412 300
Tearing N/mm

ASTM D624

Die C

20
Temperatures ºC -40 / 120

Thermal aging

(70h at 70ºC)

Shore A

%

%

ASTM D573

5

-15

-40

Permanent deformation

(22h at 70ºC)

%

ASTM D395

Method B

30
Chemical Resistances:
to Ozone EXCELLENT
to dilute acids and bases EXCELLENT
to concentrated acids and bases Good
to hydrocarbons NOT Recommended
to organic solvents Moderate