1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 05 2015 04 02 N Status No future usage, no replacement L. Sinclair, NA 2013 07 18 Revised See Summary of Revisions M. Dumitrescu, NA 2012 09 06 Revised Revised Heat Aging duration M. Dumitrescu, NA 1992 06 16 C10222515 Released V M Joshi
2、 Controlled document at www.MATS Copyright 2015, Ford Global Technologies, Inc. Page 1 of 3 FABRIC, VINYL COATED, WOVEN, EXPOSED LOAD WSD-M2F164-B COMPARTMENT COVER NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a woven polyester fabric which is vinyl coated on
3、both surfaces. 2. APPLICATION This specification was released originally for material used as a cover for the exposed load compartment. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Prod
4、uction Materials (WSS-M99P1111-A). In addition to the requirements listed herein, this material shall meet all requirements of the WSS-M8P3-E1/E2/E3/Latest, Performance, Flexible Polymeric Film, Interior Quality specification and of any applicable SDS requirements. 3.2 WEIGHT (FLTM BN 106-01) Fabric
5、 40 g/m2 min Vinyl Coatings 400 g/m2 min Total 440 g/m2 min 3.3 FABRIC Note: Alternative compositions and constructions may be used provided that approval has been given by the appropriate Materials Engineering Activity and is detailed in the Approved Source List. 3.3.1 Composition Polyester continu
6、ous (ASTM D276/ASTM D629) filament 3.3.2 Construction of finished material (ASTM D3775) Ends, min 70 per 10 cm Picks, min 65 per 10 cm ENGINEERING MATERIAL SPECIFICATION WSD-M2F164-B Copyright 2015, Ford Global Technologies, Inc. Page 2 of 3 3.4 BREAKING STRENGTH (ASTM D751, grab method) Warp 500 N
7、min Weft 450 N min 3.4.1 Elongation at Break Warp 35 % max Weft 35 % max 3.5 TEAR STRENGTH, (Trouser) (ISO 4674, Method A2) Across warp 40 N min Across weft 45 N min 3.6 STIFFNESS (ASTM D747, direct reading at 60 , Span 10 mm, Load 150 cmg, 25 x 50 mm specimen) Warp 3 - 20 Weft 2 - 15 Note: Specimen
8、s to be tested face side down. 3.7 DIMENSIONAL STABILITY Draw a 250 x 250 mm square in the center of two 300 x 300 mm specimens. Condition one specimen in each relevant aging procedure. Measure the dimensional changes of the specimen after conditioning for 1 h at 23 C +/- 2 C and 50 +/- 5 % R.H. 3.7
9、.1 After 24 h water immersion at room temperature Warp +/- 3.0 % Weft +/- 1.0 % 3.7.2 After 24 h at 80 C +/- 2 C Warp +/- 3.0 % Weft +/- 1.0 % 3.8 COLD FLEXIBILITY - 35 C (FLTM BN 102-01, except 3.2 mm diameter mandrel) Original (as received) - 35 +/- 1 C After 7 days at 80 +/- 2 C - 30 +/- 1 C No v
10、isible cracking when tested as received and after heat aging. ENGINEERING MATERIAL SPECIFICATION WSD-M2F164-B Copyright 2015, Ford Global Technologies, Inc. Page 3 of 3 3.9 RESISTANCE TO HEAT AGING Rating 3 min (ISO 105-A02/AATCC Evaluation Procedure 1, 7 days at 100 +/- 2 C, ISO 188/ASTM E 145 Type
11、 IIA, normal oven, 150 +/- 50 air changes/h, min oven space of 2 L/100 cm2 of sample size) After exposure, the material shall show no evidence of tackiness, spewing, or excessive loss of grain, or exhibit staining, color tone change, or change in hue in excess of specified rating. Any spotty or non-
12、uniform staining or discoloration shall be cause for rejection. 3.10 RETAINED BREAKING STRENGTH AFTER FADE 90 % min EXPOSURE Expose samples per WSS-M8P3-E1/E3 para 3.11.1 and determine breaking strength per para 3.4. Calculate percent retained breaking strength from original breaking strength. 3.11
13、DIELECTRIC BOND STRENGTH (FLTM BN 113-01, except the width of the bond shall be 7.9 mm) 3.11.1 Original 15.6 N min 3.11.2 Cycled 13.3 N min 3.11.3 Heat Aged 13.3 N min (FLTM BN 113-01, except expose in a mechanical convection oven at 88 +/- 2 C for 72 h) 4. GENERAL INFORMATION The information given
14、below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 5. SUMMARY OF REVISIONS 2013 07 18 3.9, Resistance to Heat Aging revised from 14 days to 7 days. 2012 09 06 Sect 3 revised WSS-M8P3 suffix from D1/D3 to E1/E3 Sect 3.10 corrected of paragraph number to 3.11.1. Renumbered paragraphs 2003 01 10 Format change. Moved std requirements to WSS-M99P1111-A. Para 3.0 inserted. Para 3.1, 3.2, 3.3, 3.14, 3.15, 4 deleted
