اطلاعات تسمه hnbr

HNBR or Highly Saturated Nitrile Halogenated Acryonitrile Butadiene

Abbreviation: HNBR

ASTM D-2000 Classification: DH

Chemical Definition: Hydrogenated Acrylonitrile Butadiene

Physical & Mechanical Properties

Durometer or Hardness Range: 30 – 95 Shore A

Tensile Strength Range: 1,500 – 3,500 PSI

Elongation (Range %): 90% – 550%
Abrasion Resistance: Good to Excellent
Adhesion to Metal: Excellent
Adhesion to Rigid Materials: Good to Excellent
Compression Set: Good to Excellent
Flex Cracking Resistance: Fair to Good
Impact Resistance: Excellent
Resilience / Rebound: Good
Tear Resistance: Good to Excellent
Vibration Dampening: Fair to Good
Chemical Resistance
Acids, Dilute: Good
Acids, Concentrated: Fair to Good
Acids, Organic (Dilute): Good
Acids, Organic (Concentrated): Fair to Good
Acids, Inorganic: Fair to Good
Alcohol’s: Good to Excellent
Aldehydes: Fair to Good
Alkalies, Dilute: Good
Alkalies, Concentrated: Poor to Good
Amines: Good
Animal & Vegetable Oils: Good to Excellent
Brake Fluids, Non-Petroleum Based: Fair
Diester Oils: Good
Esters, Alkyl Phosphate: Poor
Esters, Aryl Phosphate: Poor to Fair
Ethers: Poor to Fair
Fuel, Aliphatic Hydrocarbon: Excellent
Fuel, Aromatic Hydrocarbon: Fair to Good
Fuel, Extended (Oxygenated): Good to Excellent
Halogenated Solvents: Poor to Fair
Hydrocarbon, Halogenated: Poor
Ketones: Poor
Lacquer Solvents: Fair
LP Gases & Fuel Oils: Excellent
Mineral Oils: Good to Excellent
Oil Resistance: Good to Excellent
Petroleum Aromatic: Good to Excellent
Petroleum Non-Aromatic: Good to Excellent
Refrigerant Ammonia: Good
Refrigerant Halofluorocarbons: R-11, R-12, R-13
Refrigerant Halofluorocarbons w/ Oil: R-11, R-12
Silicone Oil: Good to Excellent
Solvent Resistance: Poor
Thermal Properties
Low Temperature Range: -70º F to -30º F
Minimum for Continuous Use (Static): -40º F
Brittle Point: -70º F to -30° F
High Temperature Range: +250º F to +300º F
Maximum for Continuous Use (Static): +325º F
Environmental Performance
Colorability: Excellent
Flame Resistance: Poor
Gas Permeability: Fair to Excellent
Odor: Good
Ozone Resistance: Good to Excellent
Oxidation Resistance: Excellent
Radiation Resistance: Fair to Good
Steam Resistance: Fair to Good
Sunlight Resistance: Good to Excellent
Taste Retention: Fair to Good
Weather Resistance: Good to Excellent
Water Resistance: Excellent

اطلاعات تسمه cr

CR or Neoprene® Polychloroprene
Abbreviation: CR
ASTM D-2000 Classification: BC, BE
Chemical Definition: Polychloroprene
Physical & Mechanical Properties
Durometer or Hardness Range: 20 – 95 Shore A
Tensile Strength Range: 500 – 3,000 PSI
Elongation (Range %): 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
Chemical Resistance
Acids, Dilute: Excellent
Acids, Concentrated: Poor
Acids, Organic (Dilute): Good to Excellent
Acids, Organic (Concentrated): Poor to Good
Acids, Inorganic: Good to Excellent
Alcohol’s: Excellent
Aldehydes: Poor to Fair
Alkalies, Dilute: Good
Alkalies, Concentrated: Poor
Amines: Poor to Good
Animal & Vegetable Oils: Good
Brake Fluids, Non-Petroleum Based: Fair
Diester Oils: Poor
Esters, Alkyl Phosphate: Poor
Esters, Aryl Phosphate: Poor to Fair
Ethers: Poor
Fuel, Aliphatic Hydrocarbon: Poor to Good
Fuel, Aromatic Hydrocarbon: Poor to Fair
Fuel, Extended (Oxygenated): Fair
Halogenated Solvents: Poor
Hydrocarbon, Halogenated: Poor
Ketones: Poor to Fair
Lacquer Solvents: Poor
LP Gases & Fuel Oils: Good
Mineral Oils: Fair to Good
Oil Resistance: Fair
Petroleum Aromatic: Good
Petroleum Non-Aromatic: Good
Refrigerant Ammonia: Excellent
Refrigerant Halofluorocarbons: R-11, R-12, R-13, R-21, R-22
Refrigerant Halofluorocarbons w/ Oil: R-11, R-12, R-22
Silicone Oil: Fair to Excellent
Solvent Resistance: Fair
Thermal Properties
Low Temperature Range: -70º F to -30º F
Minimum for Continuous Use (Static): -80º F
Brittle Point: -85º F
High Temperature Range: +200º F to +250º
Maximum for Continuous Use (Static): +250º F
Environmental Performance
Colorability: Fair
Flame Resistance: Fair to Good
Gas Permeability: Fair to Good
Odor: Fair to Good
Ozone Resistance: Good to Excellent
Oxidation Resistance: Good to Excellent
Radiation Resistance: Fair to Good
Steam Resistance: Fair to Good
Sunlight Resistance: Good to Excellent
Taste Retention: Fair to Good
Weather Resistance: Fair to Good
Water Resistance: Fair to Good