EPDM rubber sheets or ethylene propylene diene monomer rubber sheets can be vulcanized by using conventional method of using sulphur or by dicumyl peroxide (DCP).

Application:
It is highly recommended for out door uses as it extremely resistant to oxidation, U.V. Rays and Ozone due to its highly saturated polymer chain. However. EPDM does not have good oil resistance or adhesion properties.
It is resistant to many chemicals and solvents and shows good resistance to many corrosive chemicals. It is impermeable to water and is used as roofing sheet and waterproffing membrance.