PLASTICS PRODUCTS AND PROCESSES: PROVIDING INDUSTRY WITH THE MEANS TO COMBAT CORROSION Available to Purchase

Polyvinyl chloride v. corrosion The advantages of PVC over metals can be quickly summarised. It is characterised by outstanding resistance to both atmospheric and chemical corrosion. It is a lightweight—one fifth that of mild steel and one half that of aluminium. It can be worked by all the usual operations. It may be hot‐gas welded at 280 to 300°C. to give joints almost as strong as the material itself. Ducting and piping made from it needs neither painting nor other maintenance.