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U.S.C.G. Registered Since 1976
The Hypalon is a trademark for chlorosulfonated polyethylene (CSPE) synthetic rubber (CSM) noted for its resistance to chemicals, temperature extremes, and ultraviolet light. It was a product of DuPont Performance Elastomers, a subsidiary of DuPont. Along with PVC, CSM is one of the most common materials used to make inflatable boats and folding kayaks.
An inflatable boat is a lightweight boat constructed with its sides and bow made of flexible tubes containing pressurized gas. For smaller boats, the floor and hull beneath it is often flexible. On Allmand Inflatable boats most are made with double hull construction made from fiberglass and called rigid hull inflatable boats. With others the floor can consist of three to five rigid plywood or aluminum sheets fixed between the tubes but not joined rigidly together so the boat can be deflated and folded for transportation. This type is common with flood rescues where a number of boats need to be transported by truck and quickly deployed.