Plastic Pipes Conference Association # 1979 Brigthon
Colbert
Polypropylene is a versatile nlaterial for the nlanufacture of pipe and in this gaper a1 up to date view is talcen of its properties - drawing in addition on the now lengtlly history of satisfactory performance in service. Because PP is often used in specialised applications and because there is a wide range of polylncr grades available, doubt can 'vise as to the best choice of material. This paper discusses the choice bu-t also points out that there are good technical as well as co~un~ercial reasons for li~~~iting the nulnber of materials used in stcmdard pipe ranges