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NEOPRENE (CR)

Neoprene was the first synthetic rubber developed commercially and exhibits generally good ozone, aging and chemical resistance. It has good mechanical properties over a wide temperature range. Improved ozone, weathering and aging resistance compared with nitrile rubber.

Both o-rings and gaskets can be made from Neoprene materials.

Names: ChloropreneCRNeoprene®

Compound Info

ASTM D1418 DesignationCR
ASTM D2000/SAE J200 Type, ClassBC, BE
Hardness (Shore A)40-90
Colorblack

Thermal Properties

Min Temp.-40°F (-40°C)
Max Temp.250°F (121°C)

Chemical Resistance

Paraffin base mineral oil with low DPI, e.g. ASTM oil No.1
Silicone oil and grease
Water and water solvents at low temp.
Refrigerants
Ammonia
Carbon dioxide

Limited Compatibility

Naphthalene based mineral oil (IRM 902 and IRM 903 oils)
Low molecule aliphatic hydrocarbons (propane, butane, fuel)
Glycol based brake fluids

NOT Compatible

Aromatic hydrocarbons (benzene)
Chlorinated hydrocarbons (trichloroethylene)
Polar solvents (ketones, esters, ethers, acetones)

Disclaimer: These are general guidelines only. All materials should be tested in your application.

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