Robinson Rubber Products EPDM – Ethylene Propylene

Identification & Functionality

Chemical Family

Ethylene-Propylene Copolymers (EPR),

Polyolefins

Polymer Name

Ethylene Propylene Copolymer

Technologies

Elastomers

Product Families

Elastomers — Parts & Shapes

Chemical Resistance

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

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

 

Features & Benefits

Materials Features

Chemical Resistant,

Flame Resistant,

Good Abrasion Resistance,

Good Adhesion,

Good Colorability,

Good Flex Crack Resistance,

Good Sunlight Resistance,

High Impact Resistance,

Low Resilience,

Oxidation Resistant,

Ozone Resistant,

Radiation Resistant,

Steam Resistant,

Tear Resistance,

Vibration Damping,

Water Resistant

Applications & Uses

Markets

Automotive & Transportation,

Building & Construction,

Industrial

Applications

Automotive & Transportation — Automotive

Exterior & Body

Building & Construction — Building Envelope & Roofing

Waterproofing & Weatherproofing

Building & Construction — Building Materials

Pipes & Plumbing

Industrial — Maintenance, Repair & Overhaul

Plastics & Elastomers End Uses

Expansion Joint,

Weatherstripping

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	- 60 to - 40	°F	—
Minimum for Continuous Use (Static)	-60	°F	—
Brittle Point	-70	°F	—
High Temperature Range	200 - 300	°F	—
Maximum for Continuous Use (Static)	300	°F	—

Physical and Mechanical Properties

	Value	Units	Test Method / Conditions
Durometer or Hardness Range	30 – 90	Shore A	—
Tensile Strength Range	500 – 2,500	psi	—
Elongation	100 – 700	%	—
Abrasion Resistance	Good	—	—
Adhesion to Metal	Good to Excellent	—	—
Adhesion to Rigid Materials	Good to Excellent	—	—
Compression Set	Poor to Excellent	—	—
Flex Cracking Resistance	Good	—	—
Impact Resistance	Very Good	—	—
Resilience / Rebound	Fair to Good	—	—
Tear Resistance	Fair to Good	—	—
Vibration Dampening	Fair to Good	—	—

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

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