1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2003 06 30 Revised Para 3.0 inserted;Para 3.1, 3.2, 3.3, 3.11, 3.12, 4 deleted 2001 03 05 Activated N. Vallabhanath Printed copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 1 of 2 LAMINATE, ELECTRICAL INSULATION WSS-
2、M3L71-A5 (.058/.191/.058/.013) 1. SCOPE The materials defined by this specification are a composite of aromatic polyamide (aramid) paper and polyester film. 2. APPLICATION This specification was released originally for material used where high temperature insulation is required such as slot insulati
3、on in the alternator stator. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials
4、 (WSS-M99P1111-A). 3.4 THICKNESS (ASTM D 374) 3.4.1 Total, mm 0.27 - 0.35 3.4.2 Nominal, mm Aramid paper 0.058 Polyester film 0.191 Aramid paper 0.058 Polyester film 0.013 3.5 BASIC WEIGHT, g/m2, min 388 (ASTM D 646) 3.6 BURST STRENGTH, g/m2, min 2.75 (ASTM D 774) ENGINEERING MATERIAL SPECIFICATIONW
5、SS-M3L71-A5Printed copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 2 of 2 3.7 DIELECTRIC STRENGTH, KV/mm, min 52 (ASTM D 149, short time 6.35 mm electrode) 3.8 TENSILE STRENGTH, N/mm, min (ASTM D 828) WMD 28 AMD 28 3.9 ELONGATION, %, MIN WMD 25 AMD 75 3.10 TEAR STRENGTH, g/cm, min (ASTM D 689, at 85 C) WMD 200 AMD 200
