Butyl (Isobutyliene-isoprene) Rubber Polymer:
Properties and Characteristics
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General Information
Common Name:
Butyl
Chemical Name:
Isobutylene-isoprene
Generally Resistant To:
Gases, Air, Alkalis, Acids, Water, Weather, Sunlight, Oxidation and Ozone.
Generally Attacked By:
Open Flame, Hydrocarbons, Oil and Gasoline
ASTM D 2000 / SAE J200 Classification:
AA, BA
MIL-R-3065 / SAE J-14 / MIL-STD-417 Classification:
RS
ASTM D-1418 Designation:
IIR
Physical Properties
Elongation:
300% to 850%
Hardness Range (Durometer Shore A):
40 to 80
Mechanical Properties
Compression Set:
Fair
Rebound Rating:
Poor
Flex Cracking Resistance:
Good to Excellent
Abrasion Resistance:
Good
Tear Resistance:
Good
Impact Resistance:
Good
Flame Resistance:
Poor
Thermal Properties
Minimum Service Temperature:
-60°F
Maximum Service Temperature:
+300°F
Environmental Resistance
Recommended Shelf Life:
5 to 10 years
Weather Resistance:
Excellent
Sunlight Resistance:
Excellent
Ozone Resistance:
Excellent
Oxidization Resistance:
Excellent
Water Resistance:
Very Good
Steam Resistance:
Excellent to Outstanding
Gas Permeability:
Good
Radiation Resistance:
Good, 1 x 104 Ga Gy
Fair, 3 x 104 Ga Gy
Chemical Resistance
Acetone:
Recommended: Little to Minor Effect
Amonium Hydroxide:
Recommended: Little to Minor Effect
Animal Fats:
Minor to Moderate Effect
Carbon Dioxide:
Minor to Moderate Effect
Chlorine:
DRY:
- - -
WET:
Moderate to Severe Effect
Fluorine (Liquid):
Moderate to Severe Effect
Fuel Oil:
NOT RECOMMENDED
Gasoline:
NOT RECOMMENDED
Hydrochloric Acid 37%:
HOT:
Moderate to Severe Effect
COLD:
RECOMMENDED: Little or Minor Effect
Hydrochloric Acid Concentrate 37%:
HOT:
NOT RECOMMENDED
COLD:
Minor to Moderate Effect
Kerosene:
NOT RECOMMENDED
Methyl Ethyl Ketone:
RECOMMENDED: Little or Minor Effect
Mineral Oil:
NOT RECOMMENDED
Naptha:
NOT RECOMMENDED
Natural Gas:
NOT RECOMMENDED
Nitric Acid:
Concentrate:
Moderate to Severe Effect
Dillute:
Minor to Moderate Effect
Red Fuming:
NOT RECOMMENDED
Petroleum:
Below 250:
NOT RECOMMENDED
Above 250:
NOT RECOMMENDED
Phosphoric Acid:
20%:
RECOMMENDED: Little or Minor Effect
45%:
Minor to Moderate Effect
Propane:
NOT RECOMMENDED
Salt Water:
RECOMMENDED: Little or Minor Effect
Skydrol:
Skydrol 500:
Minor to Moderate Effect
Skydrol 7000:
RECOMMENDED: Little or Minor Effect
Sodium Hydroxide:
RECOMMENDED: Little or Minor Effect
Sulfuric Acid:
Concentrate:
Minor to Moderate Effect
Dillute:
Minor to Moderate Effect
20% Oleum:
NOT RECOMMENDED
Toluene:
NOT RECOMMENDED
Transformer Oil:
NOT RECOMMENDED
Vegetable Oils:
RECOMMENDED: Little or Minor Effect
Vinegar:
RECOMMENDED: Little or Minor Effect
Recommended Storage Conditions
- Actual shelf life could vary dramatically based on storage conditions
- Store in a cool, dry place with temperature below 75°F
- Keep away from direct heat or open flames
- Avoid contact with solvents or other fluids
- Do not store in direct sunlight
- Keep products wrapped or sealed to minimize the absorption of moisture
- Store in a relaxed condition free from tension, compression or other deformation
Please note that information presented here is general to Butyl polymer. The properties and characteristics of manufactured rubber products may vary based on polymer type and formulation. Our rubber products are a proprietary blend of various polymers formulated to meet stated physicals and specifications. The named product polymer is not necessarily the primary polymer representing the highest percentage of the polymer blend. Determination of the suitability of the goods for the uses and applications contemplated by Buyer and others shall be the sole responsibility of the Buyer or user. No guaranty is given with respect to length of service on any particular application. Suggestions or recommendations made by Seller in its product literature concerning uses or applications of the goods are believed to be reliable, but Seller makes no warranty or guaranty of results to be obtained since the conditions of the use and application by Buyer and others are beyond Seller’s control.
View complete Terms & conditions of Sale for suitability of use and formulations
Data presented here was gathered from several sources including Uniroyal Chemical Company, Inc., The Los Angeles Rubber Group, Inc., and Compass Publications.
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