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EPDM
(Ethylene Propylene Diene Monomer)

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What is EPDM?

EPDM rubber (ethylene propylene diene monomer is a specific type of synthetic rubber. It has a established itself over the years as a versatile rubber with a wide range of applications. The ethylene content is approximately 45% to 85%. The higher the ethylene content, the higher the loading possibilities of the polymer, meaning better mixing, and extrusion. What gives these polymers their cross linking ability is the Peroxide curing process. The dienes, typically comprising from 2.5% to 12% by weight of the composition.

Hardness = Shore A 40–90
Tensile failure stress = 25 MPa
Elongation after fracture % ≥ 300%

EPDM

Types Of EPDM

Sheet EPDM

Sheet EPDM Rubber first came on the market in 1962. As the years progressed the single-ply roofing EPDM membranes sored in popularity particularly in the 1970s due to the Middle East oil embargo. The embargo increase the price of asphalt-based roofs and lowered the overall quality of available asphalt.

As it was introduced to the roofing industry sheet EPDM was found to have many benefits; first it was very cost-effective and relatively easy to install. For those states with severe hail they found it quite effective as a hail resistant roofing product. Its UV and ozone stability was also second to none. With over 50 years of the product being in use it has been the choice for roofers, building owners as well as many other non-roofing applications.

Liquid EPDM

Liquid EPDM Rubber has over a 30 year history in the field. And over that time the product has been used and tested on various types of applications and exposed to climates around the world. Once the Liquid EPDM cures will result in a smooth seamless membrane. You will never need to worry about seams again! Liquid EPDM is a one coat system that can be applied up to 6 times thicker than other roof coatings. Since it is a liquid it is extremely versatile allowing it to be applied to horizontal and vertical surfaces. During the curing process the material will find its way into the small crevice’s of the roof providing a solid seal between the coating and the substrate and chemically forcing up to the surface what would otherwise be trapped air when using other roof coatings. Liquid EPDM is used with a pre-measured bottle catalyst to cause a very unique chemical cross link to occur resulting in a significantly strong bond.

EPDM History

There may be other products calling themselves "liquid Rubber" but there is ONLY one Liquid EPDM Rubber in the world! The introduction of EPDM rubber dates to the 1960's and ever since then Ethylene-Propylene; EPDM continues to be one of the most widely used roofing materials in the industry. EPDM rubber (ethylene propylene diene monomer is a specific type of synthetic rubber, The M refers to its classification in ASTM standard, the M class includes rubbers having a saturated chain of the polymethylene type. There is no argument EPDM rubber has catapulted as a key component in the automotive, construction, and mechanical goods industries. Over the years its uses have been broad ranging from:

  • Hoses
  • Roofing
  • Radiators
  • Motor oil additive applications
  • Tubing
  • Electrical hoses
  • Belts
  • Weather stripping
  • Seals

EPDM USES

EPDM rubber has been sought after over the years in the manufacturing of roofing products for many reasons; their ozone and overall weathering ability, excellent resistance to heat and extreme temperature changes as well as UV and ozone resistance. The epdm has titanium dioxide which is used to reflect UV rays and reduce polymer degradation. EPDM has proven to lower air-conditioning costs without jeopardizing the quality of the roof. Sheet EPDM rubber is installed using mechanically fasteners but in in the early 90's the first liquid version of EPDM was made in the USA. Now with over a 25-year history of success it has proven to be an outstanding roof sealant worldwide. Liquid EPDM uses specific catalyst technologies that incorporate into the EPDM that activates the EPDM allowing it to cure slowly. During that curing process the EPDM finds its way into the small crevices and cracks of a roof and self-levels. During the curing process the liquid EPDM cross links, creating a chemical bond whereby the Liquid EPDM and the substrate it is being applied to become one.


EPDM
EPDM

Key Benefits of Liquid EPDM Rubber

  • The only LIQUID version of epdm in the world
  • 18-20 Year life expectancy
  • Only ONE coat needed!
  • Proven to last 3X longer than standard elastomerics
  • Waterproofs immediately upon application
  • Can be applied easily with a paint brush or roller.
  • As a liquid, it can conform to any shape of surface, horizontal or vertical
  • Self-levels
  • Not water based (100% catalyst based system)
  • Elongation longer than other elastomers
  • Very broad temperature tolerance range [ from 300 degrees F to minus 62 degrees F
  • Acid and alkali resistant
  • Liquid Rubber can be applied to hot roof surfaces encountered during the summer
  • Long Pot Life
  • Product is Tintable
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