Robinson Rubber Products SNR/IR – Synthetic Polyisoprene, Synthetic Natural Rubber

Identification & Functionality

Polymer Name

Synthetic Rubber (unspecified)

Technologies

Elastomers

Product Families

Elastomers — Parts & Shapes

Chemical Resistance

Acids, Dilute Acids, Concentrated Acids, Organic (Dilute) Acids, Organic (Concentrated) Acids, Inorganic Alcohol’s

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

 

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

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

 

Features & Benefits

Materials Features

Chemical Resistant,

Exceptional Resilience,

Flame Resistant,

Good Abrasion Resistance,

Good Adhesion,

Good Flex Crack Resistance,

High Gas Permeability,

High Impact Resistance,

Oxidation Resistant,

Radiation Resistant,

Resilient,

Steam Resistant,

Vibration Damping,

Water Resistant

Applications & Uses

Markets

Automotive & Transportation

Applications

Automotive & Transportation — Automotive

Tires

Plastics & Elastomers End Uses

Tires

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	- 20 to - 70	°F	-
Minimum for Continuous Use (Static)	-60	°F	-
Brittle Point	-80	°F	-
High Temperature Range	180 - 220	°F	-
Maximum for Continuous Use (Static)	180	°F	-

Physical and Mechanical Properties

	Value	Units	Test Method / Conditions
Durometer or Hardness Range	30 – 95	Shore A	-
Tensile Strength Range	500 – 3,500	psi	-
Elongation	300 – 900	%	-
Abrasion Resistance	Good to Excellent	-	-
Adhesion to Metal	Excellent	-	-
Adhesion to Rigid Materials	Excellent	-	-
Compression Set	Excellent	-	-
Flex Cracking Resistance	Excellent	-	-
Impact Resistance	Good to Excellent	-	-
Resilience / Rebound	Excellent	-	-
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

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