K-75 PVC Resin which can be softened on reheating. Often available in the form of a powder, PVC granules are highly resistant to oxidisation and degradation caused by atmospheric reaction. In its raw form, it appears as a white powdery solid.
Polyvinyl Chloride (PVC) Membrane Roofing is also known as Vinyl Roofing. A fine, white powder vinyl resin which becomes the basis for the final process, PVC resin is modified with plasticizers and UV stabilizers, and reinforced.