1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 05 12 N-STATUS Replaced by WSS-M15P39-B G. Eaton, NA 2007 07 25 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.10, 3.11 no wrinkling, distortion, blistering, delamination, blushing, hazing, milking, staining, or other objectionable visual
2、 appearance. . Functionally: No expansion, shrinking, or warping that will interfere with normal functional operations. ENGINEERING MATERIAL SPECIFICATIONWSB-M15P43-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 5 Short Term Heat and Cold Cycle, One Previous
3、ly Unexposed Sample . 5 h at 100 +/- 2 C . 30 minutes at 23 C and 50% R. H. . 5 h at -40 +/- 2 C . 30 minutes at 23 C and 50% R. H. . 5 h at 90 +/- 2 C . 2 h at 23 C and 50% R. H. Long Term Heat Exposure, One Previously Unexposed Sample . 7 days at 100 +/- 2 C 3.6.2 Load Deflection (FLTM BO 113-03,
4、Steps 1 - 6) The load values and test location and depth of deflection shall be as specified on the engineering drawing. Load Loss at 0 +/- 1 C, max 55% Load Loss at 23 +/- 2 C, max 40% Aged Load Deflection, change -5 to + 35% Test Method: Measure the load deflection of the headrest sample after agi
5、ng for 22 h in a mechanical convection oven maintained at 100 +/- 2 C. Condition sample at room temperature for 4 h prior to test. 3.6.3 Cold Impact The assembly shall show no (Rubber ball: 4.5 kg evidence of cracking or breaking weight, 127 mm dia, and shall fully recover from 60 +/- 5 Durometer “A
6、“ indentation in the time required ISO 686/ASTM D 2240) for the assembly to return to 23 +/- 2C Test Method: Expose the mounted assembly for 24 h at 82 +/- 2 C and then for 5 h at - 30 +/- 2 C. Inside the cold box or if removed from the cold box within ten seconds, drop the rubber ball from a height
7、 of 610 mm in the areas specified on the engineering drawing. 3.6.4 Ply Adhesion, Average 140 N/m * (ASTM D 413, Machine Method, Type A, 180 peel, 25 mm/minute crosshead speed) ENGINEERING MATERIAL SPECIFICATIONWSB-M15P43-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC
8、 Page 3 of 5 . Orignal . After exposure per para 3.6.1, Short Term Heat and Cold . After exposure per para 3.6.1, Long Term Heat * Not less than 88 N/m at any point or 100% from tear. Ply adhesion test specimens to be selected from functional surface of part or as specified on engineering drawing. T
9、he cover stock must be bonded to the foam at all points with no blisters permissible. When the cover is peeled from the foam, the adhesion shall produce tearing of the foam leaving foam particles adhering to the vinyl skin across the covers total surface. The latter adhesion requirement, “tearing of
10、 the foam leaving foam particles adhering to the vinyl skin“, is not applicable where the tear strength of the foam in the part consistently exceeds 140 N/m. 3.7 LAMINATE TESTS The following tests are to be run on materials taken from parts with cover material and a foam thickness of 6 mm. 3.7.1 Res
11、istance to W Flex No evidence of cracking, crazing (FLTM BN 102-02, 10,000 lifting (peeling), or other cycles) deterioration Remove foam after ageing and W Flex Fadeometer Aged After 225.6 kJ/m2xenon exposure Heat Aged After 7 days at 102 +/- 2 C 3.7.2 Odor Rating 2 (FLTM BO 131-01) 3.7.3 Resistance
12、 to Fade, min (SAE J1885, AATCC Evaluation Procedure 1) 601.6 kJ/m2Rating 3 The material shall show no change in color tone (hue) or gloss and shall be equal to or better than the material approved by the Materials Engineering Activity. After exposure, it must remain flexible and exhibit no cracking
13、 when bent around a 6.4 mm mandrel (face side out) with foam removed. ENGINEERING MATERIAL SPECIFICATIONWSB-M15P43-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 5 3.7.4 Fogging * (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1
14、 h and 16 h) Fog Number, min 70 Formation of a clear film, droplets or crystals is cause for rejection. * Test skin up and skin down. Report most adverse results. 3.8 SKIN TESTS The following tests are to be run on the blow molded skin with the foam removed. 3.8.1 Resistance to Abrasion (FLTM BN 108
15、-02, CS-10 wheels, 1000 cycles, 1000 g load) The abraded area must exhibit compatible color and appearance with the adjacent unabraded area. The abrasion resistance of production material shall be equal to or better than the material approved by the Responsible Materials Engineering Activity. 3.8.2
16、Resistance to Scuffing 200 cycles (FLTM BN 108-04, 0.9 kg load, A head) No evidence of lifting, peeling or excessive scuffing. The scuff resistance of production material shall be equal to or better than the material approved by the responsible Materials Engineering Activity. 3.8.3 Resistance to Cro
17、cking, min (FLTM BN 107-01, AATCC Evaluation Procedure 3) Dry and Wet Rating 5 Cleaner * Rating 5 Ammoniated Glass Cleaner * Rating 5 * The material shall not exceed the above rating when the crocking cloth is saturated with currently released Ford Motor Company after market cleaner and an ammoniate
18、d glass cleaner. 3.8.4 Soiling and Cleanability, max (FLTM BN 112-08/ISO 105 A02/AATCC Evaluation Procedure 1) After Cleaning Rating 3 ENGINEERING MATERIAL SPECIFICATIONWSB-M15P43-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 5 3.8.5 Resistance to Migration
19、 Staining and Blocking (FLTM BN 103-01) No evidence of injurious exudation, adhesion (tackiness), separation, color transfer, staining, or flattening of embossing when placed face to face with itself and the standard vinyl test material. 3.9 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/min
20、ute 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 BILL OF MATERIALS Supplier must submit a bill of materials with test data to Materials Engineering for approval. Any changes in construction or material must be validated and resubmitted to Materials Engineering. 5.2 RECYCLING CODE PEUR
