Colourless, odourless and tasteless – and inert in most environments – PVC is a polymer derived from vinyl chloride monomer, a chlorinated hydrocarbon. 

In polymerisation, smaller molecules called monomers, combine chemically to form large chain-like molecules called polymers. Polymers such as polyethylene (PE), polypropylene (PP), polyvinylchloride (PVC), polystyrene (PS), polyethylene teraphthalate (PET) and nylon form the basis of many products.

Most traditional plastics are sourced almost entirely from non-renewable, hydrocarbon-based oil products. PVC is 57% chlorine by mass. The chlorine is sourced from the abundant natural resource – common salt. 

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