1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2003 01 02 Revised Para 3.0 inserted ; Para 3.1, 3.2, 3.3, 3.17, 3.15, 4 deleted 1991 06 05 NB00E10014501148 Release J.D. Salow B.C. Ferns Printed copies are uncontrolled Page 1 of 4 Copyright 2002, Ford Glo
2、bal Technologies, Inc. POLYVINYL CHLORIDE (PVC) FLOOR MATS, EMBOSSED, FLAT WSB-M2F174-A1 POLYVINYL CHLORIDE (PVC) FLOOR MATS, EMBOSSED, MOLDED WSB-M2F174-A2 1. SCOPE The material defined by these specifications is a polyvinyl chloride floor mat of good quality and uniform construction suitable for f
3、lat die cut and molded parts. 2. APPLICATION These specifications were released originally for material used in 1992 Econoline van floor mats. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements F
4、or Production Materials (WSS-M99P1111-A). 3.4 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. A1 A2 3.5 CONSTRUCTION 3.5.1 Weight, min 1562 g/m22136 g/m2Test Method: Calculate weight,
5、 vs. area of finished mat without attachments. A1 A2 3.6 PROPERTIES PRIOR TO MOLDING 3.6.1 Hardness, Durometer A 75 - 85 75 - 85 (ISO 868/ASTM D 2240, except test unembossed side of specimen, single ply) ENGINEERING MATERIAL SPECIFICATION WSB-M2F174-A1/A2 Page 2 of 4 Copyright 2002, Ford Global Tech
6、nologies, Inc. 3.6.2 Tensile Strength, min (ASTM D 412, Die A, crosshead speed 250 mm/ minute) WMD 67 N 133 N AMD 87 N 111 N 3.6.2.1 Elongation, min WMD and AMD 80 % 120 % 3.6.3 Tear Strength, min (ISO 34, Method B, Procedure A/ASTM D 624, Die C, except 50 mm/minute test speed) WMD 35 N 40 N AMD 40
7、N 50 N 3.6.4 Bend Test No cracking (FLTM BN 102-01, except sample size 25 X 150 mm) Test Method: Bend unembossed side of sample 180 around a 1.6 mm diameter mandrel at room temperature, WMD and AMD. 3.6.5 Cold Flexibility Shall remain flexible and not (FLTM BN 102-01, except sample size crack. 25 x
8、150 mm) Test method: Bend unembossed side of sample 180 around a 6 mm diameter mandrel at - 34 +/- 1 C, WMD and AMD. 3.7 PROPERTIES AFTER MOLDING (WSB-M2F174-A2 only) Material from a relatively flat area at, or adjacent to the deepest draw areas of the molded mat shall meet the minimum original requ
9、irements of the flat mat, WSB-M2F174-A1. 3.8 AGED PROPERTIES (ASTM D 573, 2 weeks at 70 +/- 1 C and condition) Must meet flat mat requirements specified under section 3.6 ENGINEERING MATERIAL SPECIFICATION WSB-M2F174-A1/A2 Page 3 of 4 Copyright 2002, Ford Global Technologies, Inc. 3.9 FADE RESISTANC
10、E, min (SAE J1885, AATCC Evaluation Procedure 1) 112.8 kJ/m2 Rating 4.5 The material shall not stain, exhibit color tone change or change in hue in excess of the specified AATCC rating. In addition, there shall be no cracking, crazing, or other deterioration. The material must remain flexible and ex
11、hibit no cracking when bent around a 6 mm mandrel after specified exposure, unembossed side to mandrel. 3.10 ODOR, max Rating 2 (FLTM BO 131-01/SAE J1351) 3.11 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 60 Formation of clear fil
12、m, droplets or crystals is cause for rejection. 3.12 ABRASION RESISTANCE, max (FLTM BN 108-02, 1000 g load, CS-10 wheels, 700 cycles) Volume loss 120 mm3The abraded area shall be compatible with the adjacent unabraded area. Test Method: Weigh the specimen in g to the nearest thousandth before and af
13、ter the abrasion test. Determine the density of the specimen per ASTM D 792 and calculate the volume loss as follows: Volume loss (mm3) = Initial Weight(g) - Final weight(g) x 1000 Density(g/cm3) 3.13 SCUFFING, min (FLTM BN 108-04, 0.9 kg load, A head) 500 cycles No evidence of lifting, peeling, or
14、excessive scuffing. Production materials shall exhibit scuffing properties equal to or better than the sample approved by Interior Materials Engineering. 3.14 H2S STAINING, min Rating 5.0 (FLTM AN 102-01, AATCC evaluation Procedure 1) No discoloration or staining. ENGINEERING MATERIAL SPECIFICATION
15、WSB-M2F174-A1/A2 Page 4 of 4 Copyright 2002, Ford Global Technologies, Inc. 3.15 RESISTANCE TO H2O STAINING No permanent discoloration or stain Test Method: Cut a 150 x 150 mm sample from the mat. Make a 25 mm cut on the diagonal from each corner. Fold each edge and slip the corners together to form
16、 a box. Add 25 mL of distilled water. Allow to air dry at 23 +/- 2 C. Then rinse under tap water, wipe dry and observe for discoloration or stain. 3.16 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 SPECIFIC GRAVITY 1.48 (ASTM D 792)
