1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2003 01 29 Revised Para 3.0 inserted ; Para 3.1, 3.7, 4 deleted 1979 02 15 Metricated & Retyped CF4J-RD572213-19 1969 07 25 Released AY2-129 Printed copies are uncontrolled Page 1 of 1 Copyright 2002, Ford G
2、lobal Technologies, Inc. FIBERBOARD, HOMOGENEOUS - HIGH DENSITY ESA-M2E78-B 1. SCOPE The material defined by this specification is a homogeneous, high density, water resistant fiberboard. 2. APPLICATION This specification was released originally for material used for die cut speaker gaskets. 3. REQU
3、IREMENTS 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). 3.2 COLOR Gray or as specified on engineering drawing 3.3 CONSTRUCTION This material is a laminated, impregnated fiberboard which is water resistant. 3.4 SPECIFIC GRAVITY, min 0.40 (ASTM D 1037, 1/4 in (6.4 mm) thickness minimum) 3.5 MOISTURE ABSORPTION, by weight, max 6.0 % (ASTM D 1037, 2 h immersion) 3.6 EXPANSION, max 1.5%/10 in (ASTM D 1037, conditioned at (1.5%/254 mm) 100% R.H. for 2 h)
