1、 ENGINEERING MATERIAL SPECIFICATIONDate Actions Revisions 2006 04 28 N-STATUS Replaced by WSS-M99P32-B; Ins 3.0; Del 3.1, 3.5 ESF-M8B12-A, Denatured Alcohol; and 50% Soap Solution, made up of equal parts of ESB-M1B9-A (or 2% solution of “Lux Liquid“) and tap water for a period of 1 h each at 23 +/-
2、2 C. 3.4.8 Ply Adhesion (Sheeting to Foam), min 131 N/m width (ASTM D 413, Machine Method, Strip Specimen) ENGINEERING MATERIAL SPECIFICATION ESB-M17H93-C5/C6 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 5 3.4.9 Compression and Recovery, min (50% compressio
3、n at 43 C) Recovery after 7 days at 43 C 90% Test Method: Prepare three 100 x 100 x 25 mm samples (parts less than 25 mm thick may be piled up) and measure their initial thicknesses using the dial gauge specified in FLTM BN 115-07. Then compress each sample 50% in a compression set device and place
4、the assembly in an air convection oven for the required length of time at 43 C. Upon removal from the oven, immediately release the test specimens and allow a 30 min (+10, -0 min) recovery period before re-measuring each sample to obtain its final thickness (T3). Calculate the recovery as a percent
5、of the original deflection: T3- T2% Recovery = - T1- T2T1= Original thickness T2= Thickness at 50 % compression T3= Final thickness 3.4.10 Kinetic Friction, max, Avg of 3 75 g (ASTM D 1894, sled weight with 12.7 mm thick test sample to be 300 g, cover plane surface with teflon sheet, 305 mm/min test
6、 velocity) Clean the surface of the teflon with chloroethane before each use. The teflon sheeting may be obtained from: F. B. Wright Company, 9999 Mercier, Dearborn, Michigan 48121 - Teflon Coated Fiberglass No. N961-0062. 3.4.11 Dimensional Stability (SAE J315, Method C for 1 h at 121 C &* measure
7、after 30 min at R.T) MD +/- 2.0% AMD +/- 2.0% Any dissolution or peeling of the polyethylene coating shall be cause for rejection. *Immediately prior to oven exposure, immerse specimens in water for 1 min and then shake off water excess. 3.4.12 Migration Staining No sticking, tackiness (BN 103-01, 3
8、 h at 102 C) or color and Blocking transfer Evaluate polyethylene side of foam to itself and with currently released light colored vinyl coated fabrics and bodycloth trim materials. ENGINEERING MATERIAL SPECIFICATION ESB-M17H93-C5/C6 Printed copies are uncontrolled Copyright 2006, Ford Global Techno
9、logies, LLC Page 5 of 5 3.4.14 Flammability In order to comply with Federal Motor 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/min. To demonstrate compliance, the sample si
10、ze and method of testing shall be in accordance with FLTM BN 024-02. 3.4.15 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/min as specified
11、by the Flammability Lot Sampling Plan of FLTM BN 024-02, must be evaluated 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
12、, portions of components, and composites defined by this specification that have been treated, modified or reformulated to conform to Flammability Lot Sampling Plan of FLTM BN 024-02, regardless of max burn rate, must be evaluated for both permanency of materials flame retardant properties and chang
13、es in mechanical, chemical and physical properties per ESB-M25P3-A applicable to the basic materials category of this particular specification. 3.4.16 Flammability Test Program Materials, portions of components, and composites governed by this specification must also comply with the requirement of ES-D3AB-11014-AA.
