1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 07 25 Revised Updated & Renumbered 1991 06 20 NB00E10043064046 Updated, added para 3.15 1963 08 07 Released Printed copies are uncontrolled Page 1 of 3 Copyright 2002, Ford Global Technologies, Inc. PAN
2、ELBOARD, PRESSED WOOD, NON-DIELECTRIC GRADE ESB-M2E66-A 1. SCOPE The materials defined by this specification are non-dielectric grade wood panelboards. 2. APPLICATION This specification was released originally for materials generally used as foundations for door and quarter trim panels, sun visors,
3、package trays and front seat backs. 3. REQUIREMENTS 3.1 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 THICKNESS As specified on (ASTM D 645, Method “A“) engineerin
4、g drawings Thickness variation of any one board used in heat bonding operations shall not exceed 0.25 mm or 10 %, whichever is smaller. 3.3 MOISTURE CONTENT, based on original weight 3 - 6 % (ASTM D 644, 100 x 100 mm samples) 3.4 WATER ABSORPTION, max 35 % (SAE J315, 24 h immersion) 3.5 WATER SWELL,
5、 max 18 % Test Method: Measure the thickness at 4 points 25 mm from center along diagonal lines drawn from corner to corner before and after water absorption test (3.4). 3.6 WARP, max 5 % (FLTM BS 002-01, 24 h immersion) 3.7 BURSTING STRENGTH, min 950 kPa/mm (ASTM D 774, 5 bursts on each side of 3 o
6、f thickness specimens, both as received after 24 h in tap water at 23 +/- 2 C) ENGINEERING MATERIAL SPECIFICATION ESB-M2E66-A Page 2 of 3 Copyright 2002, Ford Global Technologies, Inc. 3.8 FLEXURAL STRENGTH, min 31 MPa (ASTM D 790, Method I - Procedure “A“, Avg of 5) 3.9 DIMENSIONAL STABILITY, max (
7、SAE J 315) Expansion, % Contraction, % 2.03 mm + 0.7 - 0.7 2.54 mm + 0.5 - 0.5 3.10 STIFFNESS, min (ASTM D 747, direct reading at 5 angle, 0.68 N.M bending moment, 51 mm span, 25 x 100 mm samples, both directions) Original Soaked* 2.03 mm 30 15 2.54 mm 40 20 *Immerse test specimens in tap water at 2
8、3 +/- 2 C for 24 h. Determine stiffness immediately upon removal from water bath. 3.11 FINISH Shall be free from fiber fuzz, loose fiber, or any imperfection that would affect the finish appearance. 3.12 BONDING 3.12.1 Bond Strength, min (FLTM BN 113-01) Original 4.45 N Aged 3.34 N Wet 3.34 N 3.12.2
9、 Resistance to Elevated Temperatures (FLTM BN 113-02) No evidence of loosening or separation of bonds, and no objectionable loss in loft. 3.13 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute ENGINEERING MATERIAL SPECIFICATION ESB-M2E66-A Page 3 of 3 Copyright 2002, Ford Global Technologies, Inc. 4. GENERAL INFORMATION The information below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 FLEXURAL STRENGTH 37.9 +/- 6.9 MPa
