EPDM

What is EPDM?

EPDM

EPDM rubber (ethylene propylene diene monomer rubber), a type of synthetic rubber, is an elastomer characterized by a wide range of applications. includes rubbers having a saturated chain of the polyethylene type. Dienes used in the manufacture of EPDM rubbers are dicyclopentadiene(DCPD), ethylidene norbornene (ENB), and vinyl norbornene (VNB). EPDM rubber is closely related to ethylene propylene rubber: ethylene propylene rubber is a copolymer of ethylene and propylene, whereas EPDM rubber is a terpolymer of ethylene, propylene, and a diene-component.

EPDM is compatible with polar substances, e.g. fireproof hydraulic fluids, ketones, hot and cold water, and alkalis. It is incompatible with most hydrocarbons, such as oils, kerosene, aromatic, gasoline, as well halogenated solvents. EPDM exhibits outstanding resistance to heat, ozone, steamand weather. It is an electrical insulator.

Typical properties of EPDM vulcanizates are given below. EPDM can be compounded to meet specific properties to a limit, depending first on the EPDM polymers available, then the processing and curing method(s) employed. EPDMs are available in a range of molecular weights (indicated in terms of Mooney viscosity ML(1+4) at 125 °C), varying levels of ethylene, third monomer, and oil content.

Application

silicone rubber can be found in a wide variety of products, including: voltage line insulators, automotive applications; cooking, baking, and food storage products; apparel such as undergarments, sportswear, and footwear; electronics; medical devices and implants; and in home repair and hardware with products such as silicone sealants.

HVAC

• • Compressor Grommets
• • Mandrel formed drain tubes
• • Pressure switch tubing
• • Panel gaskets and seals

Automotive

• • Weather stripping and seals
• • Wire and cable harnesses
• • Window spacers
• • Hydraulic brake systems
• • Door, window and trunk seals

Roofing

• • Roof membrane
• • Roof coating
• • RV roof

Industrial

• • Water system O-rings and hoses
• • Tubing, grommets, and belts
• • Electrical insulations and stinger covers

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