1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 02 15 Revised Inserted 3.0; Deleted 3.2, 4 1978 06 12 Metricated and Retyped CF4H-RD 567168-21 1963 07 17 Released F6-1082 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 1 LAMINATE, PHENOLIC - PAPE
2、R BASE - CROSS PLIED ESF-M3L44-A 1. SCOPE The material defined by this specification is a paper base phenolic laminate with a cross ply construction (Box construction with high resin liners each side). 2. APPLICATION This specification was released originally for material used for electrical insulat
3、ion where maximum stability and flatness are essential, such as windshield wiper motor brush card. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.
4、1 ELECTRICAL AND PHYSICAL PROPERTIES Same as ASTM D 709 Grade, XXP, except as follows: 3.1.1 Dielectric Strength, min (ASTM D 229) Dielectric breakdown, 1/16 in (1.6 mm) 43 kV Dielectric breakdown (step) 500 V/mil (20 kV/mm) Short time breakdown 600 V/mil (24 kV/mm) 3.1.2 Water Absorption, max 2.50% (ASTM D 229) 3.1.3 Dielectric Constant, max (ASTM D 150, at 1 Mc (MHz) Condition A, 1/32 in (0.8 mm) and over 5.5 Condition D - 24/23 6.9 3.1.4 Dissipation Factor, max (ASTM D 150, at 1 Mc (MHz) Condition A 0.056 Condition D - 24/23 0.072
