Material grade
CSM (Chlorosulfonated polyethylene)
Grade of Rubber. Grades are not interchangeable.
Chlorosulfonated polyethylene, ASTM CSM. Hypalon is a historical trademark alias for this family, not a separate material and not evidence that a part carries that brand. This entry identifies the family only. It does not state hardness, dimensions, stock, a certificate, or a lead time.