1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0 2017 02 16 Released S. Gatzek, NA Controlled document at www.MATS.com Copyright 2017, Ford Global Technologies, LLC Page 1 of 4 FABRIC, VINYL COATED (PVC), SUPPORTED, ANTI-SQUEAK, WSS-M2F217-A1 GAP HIDER MATERIAL 1. SCOPE The material
2、defined by this specification is a vinyl coated fabric consisting of polyvinyl chloride film with anti-squeak coating laminated to a knit fabric. 2. APPLICATION This specification was released originally for material used as a flexible steering wheel gap hider material. Any other uses for this vinyl
3、 construction must be approved by the responsible Materials Engineer. 2.1 LIMITATIONS This material is not to be used for seating applications. 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification requires the use of approved sources. Only the sources identified on the Ford Approved Source List (
4、ASL) can be used when this specification is listed on the drawing, CAD file, or other documents. The list of approved sources is located within Ford at or available externally through a Ford Materials Engineer. 3.2 APPEARANCE The color, pattern and gloss shall match the approved Corporate Design ma
5、ster sample. 3.3 COMPOSITION 3.3.1 Face Material PVC 3.3.2 Supporting Fabric Polyester Knit 3.3.3 Total Weight 590 g/m2 min (ASTM D751) 3.3.4 Total Thickness Report, mm (ASTM D751) 3.4 ADHESION 3.4.1 Coating Adhesion No removal of surface (FLTM BI 106-01, Method C) coating or vinyl film 3.4.2 Film t
6、o Backing (FLTM BN 151-05) WMD 0.5 N/mm min AMD 0.5 N/mm min ENGINEERING MATERIAL SPECIFICATION WSS-M2F217-A1 Copyright 2017, Ford Global Technologies, LLC Page 2 of 4 3.5 TRAPEZOIDAL TEAR (ASTM D751) WMD 90 N min AMD 90 N min 3.6 BREAKING STRENGTH (ASTM D751, Procedure A Grab test Method) WMD 400 N
7、 min AMD 350 N min 3.7 STRETCH AND SET (SAE J855) Stretch WMD 10% min AMD 20% min Set WMD Report AMD Report 3.8 RESISTANCE TO BALLY FLEX (FLTM BN 162-01) Test three specimens in each direction to the number of cycles specified below. Retain tested specimens and submit for evaluation by Materials Eng
8、ineering. Original, 100,000 cycles Rating 1 max After Heat Aging per para 3.10, 30,000 cycles Rating 1 max 3.9 RESISTANCE TO CURLING The test specimen must not raise itself at any point by more than 13 mm unless otherwise agreed when tested per the following test method: Die cut four test specimens
9、100 x 100 mm in size across the entire width of the material. Two of the four test specimens shall be taken at a distance of 25 mm from both selvedges of the material roll. Place the test specimens immediately on a smooth flat supporting surface, with the face side upward and using a suitable scale,
10、 measure the maximum distances between the supporting surface and the upper surface of the test specimens. After 15 minutes, repeat the same measurements on the points which show the greatest degree of upward curling. 3.10 RESISTANCE TO HEAT AGING Rating 4 min (7 days at 100 +/- 2 C, ISO 105-A02 / A
11、ATCC Evaluation Procedure 1) After exposure, the material shall show no evidence of tackiness, spewing, excessive loss of grain or exhibit staining, color tone change or change in hue in excess of required AATCC rating. Any spotty or non-uniform staining or discoloration shall be cause for rejection
12、. If the rating is less than 4, then the material must be tested and found to meet the requirements of 3.10.1. ENGINEERING MATERIAL SPECIFICATION WSS-M2F217-A1 Copyright 2017, Ford Global Technologies, LLC Page 3 of 4 3.10.1 Visual Deterioration after Resistance to Interior Weathering Rating 4-5 min
13、 (FLTM BO 116-01, 72.5 kJ/m2, ISO 105-A02 / AATCC Evaluation Procedure 1) 3.11 LOW TEMPERATURE FLEXIBILITY (FLTM BN 102-01, 6.4 mm mandrel) Condition 1: 24 hours at -30 +/- 2 C No cracking Condition 2: Precondition for 7 days at 100 +/- 2 C, No cracking then 24 hours at -30 +/- 2 C Shall remain flex
14、ible and not crack when bent 180 around mandrel. 3.12 RESISTANCE TO INTERIOR WEATHERING Rating 4 min (FLTM BO 116-01, ISO 105-A02 / AATCC Evaluation Procedure 1, 977.6 kJ/m2 exposure) The material should not exhibit staining, color tone change, change in hue, cracking, crazing or other deterioration
15、 after exposure. In addition, it must remain flexible and exhibit no cracking when bend 180 around a 6.4 mm mandrel (face side out) after exposure. 3.13 FOGGING, PHOTOMETRIC (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 16 h) Fog Number 70 min Formation of clear film,
16、droplets or crystals is cause for rejection. 3.14 ODOR (FLTM BO 131-03) Condition 1 Rating 3 max Condition 2 Rating 3 max Condition 3 Rating 3 max 3.15 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate 100 mm/minute max 3.16 ZIEGLER TESTING Report RPN Rating (CETP 01.05-l-400, 4 mm/sec single pull constant
17、 velocity, 20, 30, 40 and 50 N loads; vinyl against itself, A surface to A surface) Ziegler report to be reviewed by regional Materials Engineering and results documented on the Approved Source List. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in m
18、eeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 APPROVAL OF MATERIALS ENGINEERING MATERIAL SPECIFICATION WSS-M2F217-A1 Copyright 2017, Ford Global Technologies, LLC Page 4 of 4 Suppliers desiring approval of their materials sh
19、all first obtain an expression of interest from Purchasing, Design or Product Development, and Materials Engineering. The supplier shall submit a completed copy of their laboratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance w
20、ith all the requirements of the Material Specification. Tested material samples must be available for review upon request and kept for a minimum of one year. Upon request, the supplier will review the associated quality control documents (Process Failure Mode and Effects Analysis, Control Plans, Cer
21、tification testing) with Ford. 4.2 SUPPLIERS ONGOING RESPONSIBILITY All materials must be equivalent in all characteristics to the material upon which approval was originally granted. Prior to making any changes to the material originally approved, whether or not such changes affect the materials ab
22、ility to meet the specification requirements, the supplier shall notify the affected Supplier Technical Assistance (STA), Purchasing, and Materials Engineering activities of the proposed changes (with reasons) by submission of a completed Suppliers Request for Engineering Approval, SREA. For parts a
23、nd components using Ford Engineering Material Specifications, all samples tested to the specifications for Design Verification (DV), Production Verification (PV) and Production Part Approval Process (PPAP) sign off must be kept until Job 1. 4.3 RESTRICTED SUBSTANCE MANAGEMENT STANDARD Substance rest
24、rictions imposed by regulations or Company direction applies to the materials addressed by this document. The restrictions are identified in the Restricted Substance Management Standard WSS-M99P9999-A1 which is updated yearly. It is the suppliers responsibility to comply with this standard on a continuing basis through IMDS and or GMAP reporting. 5. SUMMARY OF REVISIONS
