General Information

Common Name:

Neoprene

Chemical Name:

Polychloroprene

Generally Resistant To:

Moderate Chemicals and Acids, Ozone, Oils, Fats, Greases, and Solvents

Generally Attacked By:

Esters, Ketones, Chloronated, Aromatic and Nitro Hydrocarbons

ASTM D 2000 / SAE J200 Classification:

BC, BE

MIL-R-3065 / SAE J-14 / MIL-STD-417 Classification:

SC

ASTM D-1418 Designation:

CR

Physical Properties

Elongation:

100% to 800%

Hardness Range (Durometer Shore A):

15 to 95

Mechanical Properties

Compression Set:

Good

Rebound Rating:

Fair to Very Good

Flex Cracking Resistance:

Good to Very Good

Abrasion Resistance:

Very Good to Excellent

Tear Resistance:

Good

Impact Resistance:

Good to Excellent

Flame Resistance:

Very Good to Excellent

Thermal Properties

Minimum Service Temperature:

-30°F to -70°F

Maximum Service Temperature:

+220°F to +280°F

Environmental Resistance

Recommended Shelf Life:

5 to 10 years

Weather Resistance:

Poor to Good

Sunlight Resistance:

Good to Very Good

Ozone Resistance:

Good

Oxidization Resistance:

Good

Water Resistance:

Excellent

Steam Resistance:

Poor to Good

Gas Permeability:

Fair to Good

Radiation Resistance:

Good, 1 x 10⁵ Ga Gy

Poor, 9 x 10⁵ Ga Gy

Chemical Resistance

Acetone:

Minor to Moderate Effect

Amonium Hydroxide:

Recommended: Little to Minor Effect

Animal Fats:

Minor to Moderate Effect

Carbon Dioxide:

Minor to Moderate Effect

Chlorine:

• DRY:

  Moderate to Severe Effect

• WET:

  NOT RECOMMENDED

Fluorine (Liquid):

- - -

Fuel Oil:

Minor to Moderate Effect

Gasoline:

Minor to Moderate Effect

Hydrochloric Acid 37%:

• HOT:

  NOT RECOMMENDED

• COLD:

  Minor to Moderate Effect

Hydrochloric Acid Concentrate 37%:

• HOT:

  NOT RECOMMENDED

• COLD:

  Minor to Moderate Effect

Kerosene:

Moderate to Severe Effect

Methyl Ethyl Ketone:

NOT RECOMMENDED

Mineral Oil:

Minor to Moderate Effect

Naptha:

Moderate to Severe Effect

Natural Gas:

RECOMMENDED: Little or Minor Effect

Nitric Acid:

• Concentrate:

  Moderate to Severe Effect

• Dillute:

  RECOMMENDED: Little or Minor Effect

• Red Fuming:

  Minor to Moderate Effect

Petroleum:

• Below 250:

  Minor to Moderate Effect

• Above 250:

  NOT RECOMMENDED

Phosphoric Acid:

• 20%:

  Minor to Moderate Effect

• 45%:

  Minor to Moderate Effect

Propane:

NOT RECOMMENDED

Salt Water:

RECOMMENDED: Little or Minor Effect

Skydrol:

• Skydrol 500:

  NOT RECOMMENDED

• Skydrol 7000:

  NOT RECOMMENDED

Sodium Hydroxide:

RECOMMENDED: Little or Minor Effect

Sulfuric Acid:

• Concentrate:

  NOT RECOMMENDED

• Dillute:

  Minor to Moderate Effect

• 20% Oleum:

  NOT RECOMMENDED

Toluene:

NOT RECOMMENDED

Transformer Oil:

Minor to Moderate Effect

Vegetable Oils:

Minor to Moderate Effect

Vinegar:

RECOMMENDED: Little or Minor Effect