1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 10 14 Revised Updated and renumbered 1979 09 10 Released AK1-6000-17 Printed copies are uncontrolled Page 1 of 2 Copyright 2002, Ford Global Technologies, Inc. FIBERBOARD, CELLULOSE - HIGH STRENGTH PHEN
2、OLIC RESIN ESB-M2E93-B IMPREGNATED - ELASTOMER COATED 1. SCOPE The material defined by this specification is a cellulose fiberboard impregnated with a high strength phenolic resin and coated with an elastomeric material. 2. APPLICATION This specification was released originally for material used for
3、 bumper spacer shims. 3. REQUIREMENTS All specimens and/or production parts shall be treated with a polymeric coating and post cured to case harden and seal and coated with an elastomeric material. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform
4、to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 FIBERBOARD PRIOR TO ELASTOMER COATING (All tests shall be conducted in accordance with ASTM F 104, Type 3 materials, unless otherwise specified.) 3.2.1 COMPRESSIBILITY, max 15 % (4000 psi (27.6 MPa) load) Recovery,
5、min 80 % 3.2.2 TENSILE STRENGTH, min 6400 psi (44.2 MPa) 3.2.3 DENSITY, min 60 lb/ft3 (962 kg/m3) (ASTM F 104, Section “A“ 2.14 Density Type 2) ENGINEERING MATERIAL SPECIFICATION ESB-M2E93-B Page 2 of 2 Copyright 2002, Ford Global Technologies, Inc. 3.2.4 IMMERSION IN LIQUIDS (22 h at 23 +/- 2 C) Im
6、mersion Fluid Weight Increase Thickness Change % max % max ESE-M97B18 Antifreeze 12 6 ASTM Reference Fuel “B“ 15 5 ASTM Oil #1 10 5 ASTM Oil #3 10 5 Distilled Water 25 25 3.3 FIBERBOARD AFTER ELASTOMER COATING 3.3.1 Elastomer Coating 3.3.2 Water Absorption, max 4 % (ASTM D 570, 24 h) 3.3.3 Coating Thickness 0.5 - 1.0 mils (13 - 25 m) 3.3.4 Torque Loss After Heat Exposure, max 20 % Simulated bumper assemblies, with bolts initially torqued to within specified limits, shall be exposed to 111 to 117 C for 10 min (simulating paint repair cycle temperatures).
