Hardness Shore A
Working temperature (from-to)
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Description: Presently the seal industry's most widely used and economical elastomer, Nitrile combines excellent resistance to petroleum-based oils and fuels, silicone greases, hydraulic fluids, water and alcohols, with a good balance of such desirable working properties as low compression set, high tensile strength and high abrasion resistance.

Application: Off-road equipment. Automotive, marine, aircraft fuel systems. Can be compounded for FDA applications.

Working temperature (from-to): from -40 to +120°C

Hardness Shore A: 50-90

Characteristic: Comprised of the copolymer butadiene and acrylonitrile, in varying proportions. Compounds can be formulated for service temperature ranging from -29 ° C to + 135 ° C.


Description: Combining high temperature resistance with outstanding chemical resistance, Fluorocarbon-based compounds approach the ideal for a universal O-ring material.

Application: Seals for aircraft engines. Seals for automotive fuel handling systems. High temperature/low compression set applications. Wide chemical exposure situations.

Working temperature (from-to): from -20 to +220°C

Hardness Shore A: 60-80

Characteristic: Excellent resistance to acids, fuels, mineral and vegetable oils and greases, aliphatic, aromatic and chlorinated hydrocarbons, non-flammable hydraulic fluids (HFD) and many organic solvents and chemicals. Excellent resistance to aging and ozone. Low gas permeability.


Description: A copolymer of ethylene and propylene (EPR), combined with a third comonomer adiene(EPDM), Ethylene Propylene has gained wide seal industry acceptance for its excellent ozone and chemical resistance characteristics.

Application: Outdoor weather resistant uses. Automotive brake systems. Automobile cooling systems. Water applications. Low torque drive belts.

Working temperature (from-to): from -40 to +150°C

Hardness Shore A: 50-90

Characteristic: When compounded using peroxide curing agents high temperature service can reach + 176 °. Good resistance to acids and solvents (i.e. MEK and Acetone). 


Description: A group of elastomers, made from silicon, oxygen, and hydrogen, Silicones are renowned for their retention of flexibility and low compression set characteristics, within one of the widest working temperature ranges for elastomers.

Application: Static seals in extreme temperature situations.

Working temperature (from-to): from -60 to +200°C

Hardness Shore A: 40-80

Characteristic: Phenyl (PVMQ) based silicones can perform to - 64 ° C.


Description: One of the earliest of the synthetic materials to be developed as an oil-resistant substitute for Natural Rubber.

Application: Numerous component uses in the transportation field. Recommended for exposure to weathering. Preferred sealing material for refrigeration industry. FDA approved for food & beverage industry use.

Working temperature (from-to): from -40 to +120°C

Hardness Shore A: 50-80

Characteristic: Chloroprene can be used in innumerable sealing applications due to its broad base of such desirable working properties as: good resistance to petroleum oils; good resistance to ozone, sunlight and oxygen aging; relatively low compression set; good resilience; outstanding physical toughness; and reasonable production cost. Due to its excellent resistance to Freon® and ammonia, Neoprene is also widely accepted as a preferred material for refrigeration seals.


Description: Shared properties of natural rubber and synthetic polyisoprene rubber include resilience, low hysteresis, low rolling resistance and high fatigue resistance.

Application: Mainly used for dampeners due to its ability to absorb vibration.

Working temperature (from-to): from -50 to +80°C

Hardness Shore A: 50-80

Characteristic: Synthetic Rubber features high tensile strength; high resilience, high abrasion and high tear resistance properties, with a good friction surface and excellent adhesion to metals. Synthetic Rubber features good resistance to organic acids and alcohols, with moderate resistance to aldehydes.


Description: Also known as Buna S, Styrene Butadiene was the elastomer substituted for Natural Rubber during World War II. Compounded properties are similar to those of Natural Rubber.

Application: Isolation dampeners, conveyor belts.

Working temperature (from-to): from -40 to +100°C

Hardness Shore A: 60-90

Characteristic: The main use for Styrene Butadiene today is in the manufacturing of automobile tires and conveyor belts.

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