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Rubber Material Selection Guide CR or Neoprene® Polychloroprene

Abbreviation ASTM D-2000 Classification Chemical Definition RRP Compound Number Category Physical & Mechanical Properties Durometer or Hardness Range Tensile Strength Range Elongation (Range %) Abrasion Resistance Adhesion to Metal Adhesion to Rigid Materials Compression Set Flex Cracking Resistance Impact Resistance Resilience / Rebound Tear Resistance Vibration Dampening Chemical Resistance Acids, Dilute Acids, Concentrated Acids, Organic (Dilute) Acids, Organic (Concentrated) Acids, Inorganic Excellent Poor Good to Excellent Poor to Good Good to Excellent 20 ­ 95 Shore A 500 ­ 3,000 PSI 100 % ­ 800 % Very Good to Excellent Excellent Good to Excellent Poor to Good Good Good to Excellent Fair to Good Good to Excellent Good to Excellent CR BC, BE Polychloroprene 20000 Series

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Robinson Rubber Products - Neoprene®

© Copyright 2005 Robinson Rubber Products Company, Inc. All rights reserved.

Rubber Material Selection Guide CR or Neoprene® Polychloroprene

Chemical Resistance 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 Gases & Fuel Oils Mineral Oils Oil Resistance Petroleum Aromatic Petroleum Non-Aromatic Refrigerant Ammonia Refrigerant Halofluorocarbons Refrigerant Halofluorocarbons w/ Oil Silicone Oil Solvent Resistance Excellent Poor to Fair Good Poor Poor to Good Good Fair Poor Poor Poor to Fair Poor Poor to Good Poor to Fair Fair Poor Poor Poor to Fair Poor Good Fair to Good Fair Good Good Excellent R-11, R-12, R-13, R-21, R-22 R-11, R-12, R-22 Fair to Excellent Fair

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Robinson Rubber Products - Neoprene®

© Copyright 2005 Robinson Rubber Products Company, Inc. All rights reserved.

Rubber Material Selection Guide CR or Neoprene® Polychloroprene

Thermal Properties Low Temperature Range Minimum for Continuous Use (Static) Brittle Point High Temperature Range Maximum for Continuous Use (Static) 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 - 70º F to - 30º F - 80º F - 85º F + 200º F to + 250º + 250º F

For assistance in identifying the appropriate polymer or material, or to develop and formulate a CR or Neoprene / polychloroprene rubber compound to meet your specific application and performance requirements, please contact Robinson Rubber Products at e-mail: [email protected] or phone: + 1-763-535-6737.

Robinson Rubber Products Company, Inc. makes no expressed or implied warranty as to any qualities, attributes, or characteristics of any polymer or material. This information is provided for reference only.

®

Neoprene is a registered trademark of the DuPont Corporation.

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Robinson Rubber Products - Neoprene®

© Copyright 2005 Robinson Rubber Products Company, Inc. All rights reserved.

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