乙烯丙烯二烯单体 (三元乙丙橡胶) is a rubber that provides excellent resistance to ozone, oxidants and harsh weather conditions. These properties make it ideal for general outdoor use and for environmental exposure applications. It will not crack or discolour when exposed to UV rays or ozone and it is ideal for use across a wide range of applications, including: Waterproofing, insulating, sealing roofing and electrical cable jointing among other uses. It is also very popular for use in gaskets and seals within industrial settings.