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Chloroprene, Neoprene® O-Rings & Seals

The material of Neoprene® O-rings is chemically known as polychloroprene but often referred to by the trade name Neoprene®. Chloroprene was one of the first synthetic materials developed as an oil-resistant substitute for natural rubber. Chloroprene has good resistance to oxygen, ozone, and UV light. Due to the similarity of their structures, natural rubber and chloroprene are generally comparable in their good strength, abrasion resistance, resilience, elongation, and strain crystallisation characteristics. Both also offer a similar low fatigue property, low heat buildup, low temperature flexibility, and high bond-ability. Chloroprene surpasses natural rubber in its resistance to aging, heat, oils, ozone, and solvents. Chloroprene has also gained FDA approval for use in the food and beverage industries.

NewDealSeals supplies Neoprene® O-rings & seals in any dimension. Are you curious about the possibilities? Call +31(0)226362233 or mail us info@newdealseals.com.

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Grey Neoprene® o-rings and Neoprene® seals

Specifications CR

  • Temperature range:
    -40 to 121 °C
  • Shore:
    30 / 40 / 50 / 60 / 70 / 80 / 90
  • Relative Cost:
    Rating symbol: Medium
  • Tradenames:
    Baypren® (LANXESS), Neoprene® (DuPont)
  • Common names:
    Neoprene®, Chloroprene, CR, Polychloroprene
  • Colours:
    Black. Other colors on request.

CR Characteristics

Resistance CR
Abrasion Rating symbol: Good
Acid Rating symbol: Fair to Good
Base Rating symbol: Good to Excellent
Chemical Rating symbol: Fair to Good
Cold Rating symbol: Fair to Good
Flame Rating symbol: Good
Heat Rating symbol: Poor
Resistance CR
Oil Rating symbol: Fair to Good
Ozon Rating symbol: Good to Excellent
Set Rating symbol: Fair
Steam Rating symbol: Poor
Tear Rating symbol: Fair to Good
Water Rating symbol: Fair to Good
Weather Rating symbol: Excellent
Propertys CR
Dynamic properties Rating symbol: Fair
Electrical properties Rating symbol: Fair
Gas impermeability Rating symbol: Good
Tensile strength Rating symbol: Good

CR performs well in

  • Mild acids
  • Refrigeration seals
  • Silicone oil & grease
  • Water

CR does not perform well in

  • Hydrocarbons (aromatic, chlorinated, nitro)
  • Ketones (MEK, acetone)
  • Phosphate ester fluids
  • Strong oxidising acids

Typical CR Applications

  1. Adhesives and sealants
  2. Gasket materials
  3. Bridge pads
  4. Cellular products
  5. Waterproof membranes
  6. Wire and cable jacketing