Neoprene® CR – Polychloroprene Rubber

Identification & Functionality

Chemical Family

Polychloroprenes

Polymer Name

Chloroprene Rubber (CR)

Technologies

Elastomers

Product Families

Elastomers — Parts & Shapes

Chemical Resistance

Acids, Dilute Acids, Concentrated Acids, Organic (Dilute) Acids, Organic (Concentrated) Acids, Inorganic

Fair Poor to Fair Poor Poor Fair

 

Alcohol’s Aldehydes Alkalies, Dilute Alkalies, Concentrated Amines Animal & Vegetable Oils Brake Fluids, Non-Petroleum Based Diester Oils Esters, Alkyl Phosphate Esters, Aryl Phosphate Ethers Fuel, Aliphatic Hydrocarbon Fuel, Aromatic Hydrocarbon Fuel, Extended (Oxygenated) Halogenated Solvents Hydrocarbon, Halogenated Ketones Lacquer Solvents LP Gasses & Fuel Oils Mineral Oils Oil Resistance Petroleum Aromatic Petroleum Non-Aromatic Refrigerant Ammonia Refrigerant Halofluorocarbons Refrigerant Halofluorocarbons w/ Oil Silicone Oil Solvent Resistance

Poor Poor Fair Fair Poor Good Poor Good Poor Poor Poor Excellent Poor to Good Fair to Good Poor to Good Poor to Good Poor to Good Poor to Good Good Good to Excellent Excellent Fair Good Fair R-11, R-12, R-13 R-11, R-12, R-13, R-22 Excellent Good

 

Features & Benefits

Materials Features

Abrasion Resistant,

Chemical Resistant,

Flame Resistant,

Good Adhesion,

Good Colorability,

Good Flex Crack Resistance,

Good Sunlight Resistance,

High Impact Resistance,

Oxidation Resistant,

Ozone Resistant,

Radiation Resistant,

Resilient,

Steam Resistant,

Tear Resistance,

Vibration Damping,

Water Resistant

Applications & Uses

Markets

Automotive & Transportation,

Industrial

Applications

Automotive & Transportation — Automotive

Exterior & Body

Industrial — Chemical & Industrial Manufacturing

Other Industrial Applications

Plastics & Elastomers End Uses

Tubing

Plastics & Elastomers Processing Methods

Compression Molding,

Injection Molding,

Transfer Molding

Properties

Physical Form

Custom,

Solid

Thermal Properties

	Value	Units	Test Method / Conditions
Low Temperature Range	- 70 to - 30	°F	—
Minimum for Continuous Use (Static)	-80	°F	—
Brittle Point	-85	°F	—
High Temperature Range	200 - 250	°F	—
Maximum for Continuous Use (Static)	250	°F	—

Physical and Mechanical Properties

	Value	Units	Test Method / Conditions
Durometer or Hardness Range	20 – 95	Shore A	—
Tensile Strength Range	500 – 3,000	psi	—
Elongation	100 – 800	%	—
Abrasion Resistance	Very Good to Excellent	—	—
Adhesion to Metal	Excellent	—	—
Adhesion to Rigid Materials	Good to Excellent	—	—
Compression Set	Poor to Good	—	—
Flex Cracking Resistance	Good	—	—
Impact Resistance	Good to Excellent	—	—
Resilience / Rebound	Fair to Good	—	—
Tear Resistance	Good to Excellent	—	—
Vibration Dampening	Good to Excellent	—	—

Safety & Health

Environmental Performance

Colorability Flame Resistance Gas Permeability Odor Ozone Resistance Oxidation Resistance Radiation Resistance Steam Resistance Sunlight Resistance Taste Retention Weather Resistance Water Resistance

Fair Fair to Good Fair to Good Fair to Good Good to Excellent Good to Excellent Fair to Good Fair to Good Good to Excellent Fair to Good Fair to Good Fair to Good