CHLOROPRENE RUBBER (Neoprene® or CR)

  • Chloroprene rubber, also called Neoprene, has excellent resistance to oils, ozone and weathering.
  • Suitable for moderate acids, alkalis, saline solutions, petroleum, solvents, oils and fuels.
  • Not recommended for strong acids or hydrocarbons.
  • Great resistance to aging and high temperatures.
cr neoprene chloroprene rubber
Property Unit Test Value
Color Black
Specific weight gr/cm3 1,45
Indentation hardness Shore A ASTM D2240 70
Breaking load MPa ASTM D412 6,0
Elongation at break % ASTM D412 300
Tearing N/mm

ASTM D624

Die C

15
Temperatures ºC -20 / 100

Thermal aging

(hot air 70ºC 70h)

ASTM D573

+5

-15

-40

Permanent deformation

(70ºC 22h)

ASTM D395

Method B

35

Solvent resistance

(70ºC 70h)

ASTM D471

+15%

+63%

Chemical Resistances:
Ozone Moderate
Diluted acids and bases Moderate
Concentrated acids and bases Not recommended
Hydrocarbons Not recommended
Organic solvents Not recommended