EPDM (Ethylene Propylene Diene Monomer) rubber is a copolymer of ethylene, propylene, and a small amount of a third monomer; It is currently the best choice for building sealant strips. 1. Good weather resistance, heat-resistant air aging resistance, can be used for a long time at -40 ℃~120 ℃, achieving the same lifespan as doors and windows. 2. Excellent ozone resistance and protection against external radiation. As a sealing material, exposed to the outdoors, it is not afraid of various weather tests. 3. Excellent comprehensive physical and mechanical properties, scientifically reasonable formula endows EPDM rubber strips with good elasticity, with a compression change of ≤ 27%, which is conducive to various dynamic and static seals.