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Goodyear Rubber Company of So. California Company Logo

Goodyear Rubber Company of So. California BUTYL POLYMER

Goodyear Rubber Company of So. California Butyl polymer is a synthetic rubber, a copolymer of isobutylene and isoprene. Polyisobutylene was first developed by BASF in 1931 and it was later developed into butyl rubber in 1937. Halogenated butyl rubber (halobutyl) was developed in 1960s, in its chlorinated (chlorobutyl) and brominated (bromobutyl) variants provide significantly higher curing rates with other rubber. Due to its bulky chemical structure, butyl rubber has excellent impermeability and long segments of polymer chains give flexibility. Due to its unique characteristics the first major application was tire inner tubes, remains an important marker segment even today. Butyl rubber is highly used in high temperature applications as well.

Polymer Name: Butyl Rubber (IIR)

End Uses: Tires, Tubes

Features: Acid Resistant, Chemical Resistant, Excellent Water Resistance, Good Abrasion Resistance, Good Compression Set, Good Flex Crack Resistance, Good Weather Stability, Heat Resistance, High Impact Resistance, High Temperature Resistance, Improved Flexibility, Improved Tear Resistance, Low Permeability, Ozone Resistant, Water Resistant

    Knowde Enhanced TDS

    Identification & Functionality

    Chemical Family

    Butyl Rubber

    Polymer Name

    Butyl Rubber (IIR)

    Technologies

    Elastomers

    Product Families

    Elastomers — Specialty Elastomers

    Butyl Rubbers

    Environmental Resistance
    • Weather Resistance: Excellent
    • Sunlight Resistance: Excellent
    • Ozone Resistance: Excellent
    • Oxidization Resistance: Excellent
    • Water Resistance: Very Good
    • Steam Resistance: Excellent to Outstanding
    • Gas Permeability: Good
    Classification (MIL-R-3065 / SAE J-14 / MIL-STD-417)

    RS

    Classification (ASTM D 2000 / SAE J200)

    AA, BA

    Features & Benefits

    Materials Features

    Acid Resistant,

    Chemical Resistant,

    Excellent Water Resistance,

    Good Abrasion Resistance,

    Good Compression Set,

    Good Flex Crack Resistance,

    Good Weather Stability,

    Heat Resistance,

    High Impact Resistance,

    High Temperature Resistance,

    Improved Flexibility,

    Improved Tear Resistance,

    Low Permeability,

    Ozone Resistant,

    Water Resistant

    Generally Attacked By

    Open Flame, Hydrocarbons, Oil and Gasoline

    Generally Resistant To

    Gasses, Air, Alkalis, Acids, Water, Weather, Sunlight, Oxidation and Ozone.

    Applications & Uses

    Markets

    Industrial

    Applications

    Industrial — Chemical & Industrial Manufacturing

    Equipment & Parts

    Plastics & Elastomers End Uses

    Tires,

    Tubes

    Properties

    Chemical Resistance

    Hydraulic Oil

    Physical Properties
    ValueUnitsTest Method / Conditions
    Elongation300 - 850%—
    Hardness Range (Durometer )40 - 80Shore A—
    Mechanical Properties
    ValueUnitsTest Method / Conditions
    Compression SetFair——
    Rebound RatingPoor——
    Flex Cracking ResistanceGood to Excellent——
    Abrasion ResistanceGood to Excellent——
    Tear ResistanceGood——
    Impact ResistanceGood——
    Flame ResistancePoor——
    Typical Properties
    ValueUnitsTest Method / Conditions
    Common NameButyl——
    Thermal Properties
    ValueUnitsTest Method / Conditions
    Service Temperature-60 - (+)300°F—

    Storage & Handling

    Recommended Shelf Life

    5 to 10 years