EPDM vs Silicone: a simple guide | Knowledge Center
Jan 14, 2019· What’s the difference between EPDM and Silicone and when should you use one over the other? First, the basics. EPDM stands for Ethylene Propylene Diene Monomer. It’s a synthetic rubber popular in automotive and construction industries. Silicone, as Polydimethylsiloxane is commonly called, is an inorganic polymer, and based on quartz sand.