TL52685A--聚氨酯泡沫.pdfVIP

Group Standard TL 52685 Issue 2009-09 Class. No.: 55211 Descriptors: polyether PUR lightweight foam, polyether, PUR, cut foam, foam, non-woven fabric laminated, engine, sound insulation Polyether PUR Lightweight Foam for Engine Compartment Absorbers Material Requirements 2 types: without index, A 1 Scope This Technical Supply Specification (TL standard) defines the material requirements for both non- deformed PUR cut foam and nonwoven fabric-laminated molded parts made of PUR cut foam for use in the engine compartment. – TL 52685 Polyether PUR lightweight foam, non-deformed and non-laminated as sub‐ strate for molded parts – TL 52685-A Molded part made of polyether PUR lightweight foam with flame-retardant nonwoven cover on both sides, e.g. for bulkhead sound insulation or engine hood sound insulation 2 Description Description example for a nonwoven-fabric laminated bulkhead sound insulation: Nonwoven-fabric laminated PUR foam bulkhead sound insulation according to TL 52685-A 3 Requirements 3.1 General requirements S Approval of first supply and changes according to Volkswagen standard VW 01155. I L Open-air weathering according to VW 50185. O