Insulators for Pandrol track fastenings: A service trial of nylon 66 insulators manufactured from Maranyl 150 and Technyl A216 (TM-CES-21)

Pandrol insulators are supplied against BR Specification No. 1202, in Nylon 66 material. One supplier (Swish) mould the insulators from I.C.I. Maranyl A100 material. Raw material suppliers (I.C.I) suggested Maranyl 150* and (Rhône-Poulenc) suggested Technyl A216* as alternative moulding powders. A small quantity of insulators were moulded by "Swish"...