Chlorosulfonated Polyethylene
Chlorosulfonated Polyethylene (CSM), commercially known as Hypalon®, is a fully saturated synthetic elastomer renowned for its exceptional resistance to ozone, weathering, and a wide range of chemicals . First commercialized by DuPont in 1952, it is produced by treating polyethylene with chlorine and sulfur dioxide. This unique chemical modification endows CSM with a remarkable combination of durability and versatility, making it a material of choice for demanding industrial applications.
