1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 09 18 Revised Updated and renumbered 1983 03 14 3.10 Revised CAM1- RD588050-21 1969 10 27 Released ESB-M3E77-A, AW1-1095 Printed copies are uncontrolled Page 1 of 4 Copyright 2002, Ford Global Technolog
2、ies, Inc. FIBERBOARD (PANEL), PRESSED WOOD - SEALED AND PAINTED ESB-M3E77-A ESB-M3E77-B 1. SCOPE The material defined by these specifications is a sealed and painted ESB-M2E66 type pressed wood panelboard of good quality and uniform composition. 2. APPLICATION These specifications were released orig
3、inally for material used for applications requiring superior dimensional stability, moderate formability and rigidity. 3. REQUIREMENTS In addition to the requirements listed herein, the finished assembly shall conform to ESB-M15P6-A. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppli
4、ers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 APPEARANCE (FLTM BI 109-01) The color, pattern, and finish shall match the approved Design Center master sample or shall be as specified on the engineering drawing. 3.3 CONSTRUCTI
5、ON (SAE J 947) The board shall be a single ply fiberboard constructed of a homogeneous mixture of wood fibers bonded under heat and pressure with natural and synthetic resins. The fiberboard shall be completely sealed on surface and edges with a moisture barrier coating of approximately 34 g/m2. ENG
6、INEERING MATERIAL SPECIFICATION ESB-M3E77-A ESB-M3E77-B Page 2 of 4 Copyright 2002, Ford Global Technologies, Inc. 3.4 DIMENSIONS (SAE J 315) Thickness 2.41 - 2.79 mm This thickness will be maintained in all relatively flat areas. The thickness of formed areas may vary outside these limits. All othe
7、r dimensions will be as specified on the drawing. 3.5 FLEXURAL STRENGTH, min 31 MPa (ASTM D 790, Method I - Procedure “A“, Avg. of 5) 3.6 BURSTING STRENGTH, min 876 N/mm of thickness (SAE J 315) 3.7 STIFFNESS, min (Tinius Olsen stiffness tester 5 angle, 0.68 N.m bending moment, 51 mm span, 25 x 100
8、mm samples, both directions, direct load reading) Dry 40 Wet* 20 *Immerse test specimen in water for 24 h. Determine stiffness immediately upon removal from water. Expansion Contraction 3.8 DIMENSIONAL STABILITY, %, max (SAE J 315, Method “B,“ + 0.2 - 0.2 24 h immersion) 3.9 MOISTURE CONTENT 2 5 % (
9、SAE J 315, based on original weight) 3.10 WATER ABSORPTION, max 8% (SAE J 315, 24 h immersion*) *Seal the edges of the test sample with paraffin wax or production moisture barrier coating (3.2 mm from edge maximum) prior to conducting test. ENGINEERING MATERIAL SPECIFICATION ESB-M3E77-A ESB-M3E77-B
10、Page 3 of 4 Copyright 2002, Ford Global Technologies, Inc. 3.11 WATER SWELL, max 5% Test Method: Measure the thickness of four points, one inch from center, along diagonal lines drawn from corner to corner, before and after water absorption test. 3.12 WARP, max 3% (FLTM BS 2-1, 24 h water immersion)
11、 3.13 ESB-M3E77-A FLAMMABILITY, max 101 mm/min (FLTM BN 24-2, without the lot sampling plan) In addition, the test specimen shall not exhibit any flashing or sudden flaming on either surface in excess of the above maximum value. 3.14 ESB-M3E77-B FLAMMABILITY 3.14.1 In order to comply with Federal Mo
12、tor Vehicle Safety Standard No. 302, the materials, portions of components, and composites shall not burn, or transmit a flame across its surface, at a rate of more than 101 mm per min. To demonstrate compliance, the sample size and method of testing shall be in accordance with FLTM BN 24-2. 3.14.2
13、Performance - Environmental Aging All materials, portions of components, and composites defined by this specification that have not been treated, modified or reformulated and exceed a max burn rate of 76 mm per min as specified by the Flammability Lot Sampling Plan of FLTM BN 24-2, must be evaluated
14、 for permanency of the materials flame retardant properties per ESB-M25P3-A according to the accelerated environmental aging requirements applicable to the basic material category of this particular specification. Any material, portions of components, and composites defined by this specification tha
15、t have been treated, modified or reformulated to conform to Flammability Lot Sampling Plan of FLTM BN 24-2, regardless of max burn rate, must be evaluated for both permanency of materials flame retardant properties and changes in mechanical, chemical and physical properties per ESB-M25P3-A applicabl
16、e to the basic materials category of this particular specification. 3.14.3 Flammability Test Program Materials, portions of components, and composites governed by this specification must also comply with the requirements of ES-D3AB-11014-AA. ENGINEERING MATERIAL SPECIFICATION ESB-M3E77-A ESB-M3E77-B Page 4 of 4 Copyright 2002, Ford Global Technologies, Inc. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 4.1 FLEXURAL STRENGTH 37.9 +/- 6.9 MPa (ASTM D 790, Method I - Procedure “A“, Avg. of 5)
