1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2003 08 14 Revised Para 3.0 inserted; Para 3.1, 3.2, 3.3, 3.13, 3.14, 4 deleted 1995 03 01 Activated Updated, Inactivated ESB-M2E25-B 1963 07 09 IS1-743 Released ESB-M2E25-A Printed copies are uncontrolled Copyright 2003, Ford Global Technolog
2、ies, Inc. Page 1 of 2 FIBERBOARD (CHIP), SEMI-RIGID ESB-M2E25-A 1. SCOPE The material defined by this specification is laminated kraft fiberboard with a controlled flexibility range. 2. APPLICATION This specification was released originally for material used as a core in the construction of a safety
3、 sun visor assembly or for other interior trim applications requiring a semi-rigid support member. 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、4 WEIGHT, min 635 g/m2/mm (ASTM D 646, avg. of three, thickness 300 x 300 mm specimens) 3.5 MOISTURE CONTENT 5 8.5% (ASTM D 644, 100 x 100 mm samples) 3.6 BURSTING STRENGTH 0.88 1.29 MPa/mm (ASTM D 2529, five bursts on each side of 3 specimens) 3.7 TENSILE STRENGTH, min (ASTM D 828) WMD 700 N/mm AMD
5、 263 N/mm 3.8 DIMENSIONAL STABILITY (SAE J315, Method “B“, 24 h, followed by Method “C“) (SAE J315, Method “A“, 24 h, followed by Method “C“ for fiberboards 0.7 mm thick or under) Expansion, % max Contraction, % max “B“ “C“ WMD 0.3 0.5 AMD 3.0 3.0 3.9 MOISTURE ABSORPTION, max 20% (SAE J315, 24 h imm
6、ersion) ENGINEERING MATERIAL SPECIFICATIONESB-M2E25-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 2 of 2 3.10 STIFFNESS, MPa (ASTM D 747) Minimum Maximum WMD 1034 1862 AMD 345 620 3.11 STAINING SPEW Shall contain no solvent or water (SAE J315, Method A & B extr
7、actionable contaminant 3.12 FLAMMABILITY (ISO 3795/SAE J369) Burn rate, max 100 mm/minute 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 Fiberboards 0.7 mm thick or under must be used in a composite only and be bonded 100% across their entire surface. Other fiberboard thicknesses must be evaluated to determine if a composite is required to meet applicable flammability requirements.
