1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 25 N-STATUS No replacement named J. Crist, NA 2006 05 22 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.5, 3.6 & 4 1993 03 08 Released - A NB00I10043054228 GAM M. Myers Printed copies are uncontrolled Copyright 2010, Ford Global Techno
2、logies, LLC Page 1 of 3 POLYVINYL CHLORIDE (PVC), FLEXIBLE WSB-M4D874-A 80 DUROMETER A HARDNESS, REMANUFACTURED MOLDING COMPOUND POLYVINYL CHLORIDE (PVC), FLEXIBLE WSB-M4D874-A2 92 DUROMETER A HARDNESS, REMANUFACTURED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by t
3、hese specifications are remanufactured flexible polyvinyl chloride extrusion molding compounds. 2. APPLICATION These specifications were released originally for material used for exterior splash shield and air dam applications. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Mater
4、ial suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDED TEST SPECIMEN 3.4.1 Preparation of Test Specimens Unless otherwise specified, all test shall be conducted on specimens die cut from extruded sheet 150 x 150 mm, m
5、inimum x 2.0 +/- 0.2 mm. A A2 3.4.2 Density, g/cm 1.24-1.36 1.22-1.42 (ISO 1183, Method A/ASTM D 792, Method A) 3.4.3 Hardness, Durometer A, +/- 5 80 92 (ISO 868/ASTM D 2240, 6 mm thick plied-up specimens, 15 s delay) 3.4.4 Tensile Strength at Break, MPa, min (ISO R 527, type 2/ASTM D 638M, type M-I
6、I, 500 mm/min test speed) WMD 9 13 AMD 6 9 ENGINEERING MATERIAL SPECIFICATIONWSB-M4D874-A/A2 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 3 3.4.4.1 Elongation at Break, %, min (Test Method according to para 3.4.4) A A2 WMD 140 80 AMD 90 50 3.4.5 Tear Streng
7、th, kN/m, min (ISO 34,Method B, Procedure a/ ASTM D 624, Die C) WMD 30 34 AMD 40 45 3.4.6 Cold Flexibility at -29 C No cracks No cracks (FLTM BN 102-01, except specimen 25 x 150 mm, minimum and 19-20 mm mandrel) 3.4.7 Color Stability (ISO 188/ASTM D 573, 168 h at 100 +/- 2 C) After exposure the mate
8、rial shall not exhibit color change in excess of Rating 4 of specified Gray Scale (AATCC Evaluating Procedure 1/ISO 105-A02). In addition there shall not be any staining, spewing, loss of gloss. 3.4.8 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 82 +/- 2 C. Unaged
9、property values shall be determined at the time of the aged properties determination) 3.4.8.1 Tensile Strength Change +/- 25% (Test Method per para 3.4.4) 3.4.8.2 Elongation Change +/- 25% (Test Method per para 3.4.4) 3.4.8.3 Weight Change, max 5% (50 x 25 x 2 +/- 0.2 mm specimen) 3.4.9 Paint Staini
10、ng (FLTM BP 153-01, Procedure A, 25 x 50 x 2.0 +/- 0.2 mm specimen) No visible stain or change in surface appearance produced on the painted panel beyond the boundaries of the test specimen. ENGINEERING MATERIAL SPECIFICATIONWSB-M4D874-A/A2 Printed copies are uncontrolled Copyright 2010, Ford Global
11、 Technologies, LLC Page 3 of 3 Note: The raised welting of the painted surfaces in direct contact with the test specimen resulting from this test method is characteristic of plasticized vinyl compounds and shall not be cause for rejection. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 RECYCLING CODE, (A & A2) PVC
