Supplier of CSM Fabrics
What is CSM?
Chlorosulphonated Polyethylene (CSM) is an improved version of chloroprene that offers superior chemical resistance, ozone/light resistance, and heat aging.
Also referred to as Hypalon®, this type of fabric coating can be used to prevent weathering conditions that can damage many industrial fabrics. Hypalon was discontinued by its manufacturer, DuPont, and the CSM material that is now used is a slightly altered formula.
Due to its low gas permeability, CSM is oftentimes used to manufacture quality inflatable boats and other structures to be used in a variety of environments, most notably in the water. Nearly all inflatable boats are created using either PVC or CSM/Hypalon fabric, as are coastal boats.
CSM Fabrics vs. PVC Fabrics
As with any material, each has its own set of advantages and disadvantages that should be taken into consideration when making your selection.
PVC fabric is significantly less expensive than CSM and is very strong. It can come in different thicknesses, such as .09mm and 1.2mm, but despite this it does not repel sunlight as well as CSM is able to.
Overall, CSM is more expensive than PVC, but has the added benefit of lasting much longer and protecting against sun exposure as well as being tolerant on fuel spills or fumes.
CSM also has a high tolerance against a variety of environments and different weather conditions. CSM is more favorable than PVC in hot climate areas. While PVC may be very useful there, precautions have to be taken to protect the boat where they are not as necessary with CSM.