1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0.0 2017 11 13 Released D. Murtonen (FNA) Controlled document at www.MATS.com Copyright 2017, Ford Global Technologies, LLC Page 1 of 7 PERFORMANCE, LAMINATION FOR SEATING AND INTERIOR TRIM WSS-M8P30-A1 1. SCOPE This specification define
2、s the performance requirements for laminated composites used for interior seating and trim components. 2. APPLICATION This specification was released originally for laminated composites that have undergone a process to 100% bond a minimum of two materials through either a flame or adhesive applicati
3、on. For example, fabric/foam, polymeric film/foam, leather/scrim, leather/foam/scrim or fabric/foam/scrim, or fabric/spacer knit. 2.1 LIMITATIONS This specification does not apply nor include bond requirements for Instrument Panels, Pillars, or Headliner substrates. . 3. REQUIREMENTS 3.1 APPROVED SO
4、URCES This specification is performance based and does not have approved sources. 3.2 DV/PV/PPAP TEST PLAN Testing should comply with program milestones unless otherwise specified by Ford Engineering. See Table 1. 3.3 CONDITIONING AND TEST CONDITIONS All test values are based on material conditioned
5、 for not less than 24 h prior to testing in a controlled environment of 23 +/- 2 C and 50 +/- 5% relative humidity. Testing of the material should occur in the conditioning environment or soon after removal. 3.4 FOGGING (PHOTOMETRIC) (SAE J1756, 3 h at 100 C heating, 21 C Cooling plate, post testing
6、 conditioning 16 h) Fog Number 70 min Formation of clear film, droplets or crystals is cause for rejection For shipping, all materials or parts shall be sampled immediately after manufacture, then bagged in a zipper or slide-sealed polyethylene (PE) bag, PE-coated aluminum bag or wrapped in aluminum
7、 foil prior to bagging. Test specimens shall be cut, then stored in a clean, open environment for 14-28 days. After 14-28 days of air exposure, the specimens shall be tested immediately or re-bagged until testing can be performed. Bagged materials or parts must be labelled on the outside of the bag
8、with the following information and included in the test report: supplier, contact information, product code/trade name or part number, manufacturing location, date of manufacture, shipping date, start and end dates of conditioning period and test date. ENGINEERING MATERIAL SPECIFICATION WSS-M8P30-A1
9、 Copyright 2017, Ford Global Technologies, LLC Page 2 of 7 Sample shall be tested as part of a production assembly composite if it is 100% bonded. If not 100% bonded, test each component separately. Parts for testing must be labelled with supplier name and date of manufacture. 3.5 FOGGING (GRAVIMETR
10、IC) FOR LEATHER ONLY (SAE J1756 16 h at 100 C heating, 21 C cooling plate, post testing conditioning, 4 h) Weight of Condensate 4.0 mg max After conditioning, the samples shall be pre-dried by storing in a desiccator over silica gel or equivalent for a period of 2 days. For shipping, all materials o
11、r parts shall be sampled immediately after manufacture, then bagged in a zipper or slide-sealed polyethylene (PE) bag, PE-coated aluminum bag or wrapped in aluminum foil prior to bagging. Test specimens shall be cut, then stored in a clean, open environment for 14-28 days. After 14-28 days of air ex
12、posure, the specimens shall be tested immediately or re-bagged until testing can be performed. Bagged materials or parts must be labelled on the outside of the bag with the following information, and included in the test report: supplier, contact information, product code/trade name or part number,
13、manufacturing location, date of manufacture, shipping date, start and end dates of conditioning period and test date. Sample shall be tested as part of a production assembly composite if it is 100% bonded. If not 100% bonded, test each component separately. Parts for testing must be labelled with su
14、pplier name and date of manufacture. 3.6 ODOR (FLTM BO 131-03, Variant C) Condition 1 Rating 3 max Condition 2 Rating 3 max Condition 3 Rating 3 max Sample shall be tested as part of a production assembly composite if it is 100% bonded. If not 100% bonded, test each component separately. 3.7 FLAMMAB
15、ILITY (ISO 3795, Test 5 Samples) Burn Rate 100 mm/minute max Samples shall be tested as part of a production assembly composite if it is 100% bonded. 3.8 RESISTANCE TO MILDEW (7 days at 98 +/- 2% relative humidity and 38 +/- 2 C, specimen size 100 mm x 100 mm) Remove the part from the cabinet and ev
16、aluate (smell the sample) immediately. The part shall exhibit no visible evidence of mildew growth and / or objectionable odor after the 7 day exposure. In addition, part must not separate layers or show any other visual deterioration. ENGINEERING MATERIAL SPECIFICATION WSS-M8P30-A1 Copyright 2017,
17、Ford Global Technologies, LLC Page 3 of 7 3.9 LAMINATE REQUIREMENTS Materials engineering must approve the foam source used in a laminated composite. Foam sources must meet WSS-M99P48-A2/latest. 3.9.1 Determination of 180 Degree Peel Adhesion Strength (FLTM BN 151-05) The material shall not separate
18、 cleanly from the foam surface. When peeled, the specimen must exhibit foam particles adhering to the B surface of the A surface material A Surface to foam Flame Bonded Adhesive Bonded (N min) (N min) 3.9.1.1 As received 6.0 6.0 3.9.1.2 Long Term Environment 6.0 6.0 (FLTM BO 040-01 Procedure B, 100
19、+/-2 C) The material must not exhibit staining, color tone change, change in hue, or other deterioration after exposure. 3.9.1.3 Cleaning 6.0 6.0 (Refer to FLTM 112-08 for cleaning agents to apply to A surface. Allow to dry, and then test for adhesion) Backing fabric to foam (i.e. scrims such as, kn
20、it, woven or non-woven) 3.9.1.4 As received 3.5 3.5 3.9.1.5 Long Term Environment 3.5 3.5 (FLTM BO 040-01 Procedure B, 100 +/-2 C) The material must not exhibit staining, color tone change, change in hue, or other deterioration after exposure. Foam tear that occurs prior to reaching the requirement,
21、 is considered a Bond Stronger than Foam (BSTF) and will be considered a Pass if noted Foam Tear or BSTF on the Report. Note: These requirements do not apply to PE film. 3.10 LAMINATE THICKNESS Report Only, Total Composite Thickness (ASTM D1777, circular presser foot, area 645 mm2 2.8 g force, 43 pa
22、) ENGINEERING MATERIAL SPECIFICATION WSS-M8P30-A1 Copyright 2017, Ford Global Technologies, LLC Page 4 of 7 3.11 CURLING 13mm max gap from flat surface to lower edge of laminated backing such as foam, knit scrim or spacer knit Test Method: Step 1 Cut across the entire width of the material four test
23、 specimens 100 x 100 mm in size as indicated below in Figure 1. Sample 1 (S-1) shall be cut 25 mm from the selvage edge Sample 4 (S-4) shall be cut 25 mm from the opposite selvage edge Sample 2 & 3 (S-2) & (S-3) shall be cut at equal distance between samples 1 & 2 Do not smooth or flatten the specim
24、ens at any time before or after cutting. Figure 1 ENGINEERING MATERIAL SPECIFICATION WSS-M8P30-A1 Copyright 2017, Ford Global Technologies, LLC Page 5 of 7 Step 2 Immediately after cutting the specimens, place them on a smooth flat surface (such as a table) with A surface facing upward and B surface
25、 facing down to the flat surface. (see Figure 2) Figure 2 Step 3 Using a suitable millimeter measuring scale, measure the maximum distance between the smooth flat surface and the lower edge of the B surface (foam, or scrim) at the largest gap. (see Figure 3) Report out the gap distance in mm for all
26、 4 specimens. Figure 3 A surface B surface foam ENGINEERING MATERIAL SPECIFICATION WSS-M8P30-A1 Copyright 2017, Ford Global Technologies, LLC Page 6 of 7 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification.
27、 Contact for questions concerning Engineering Material Specifications. 4.1 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first obtain an expression of interest from Purchasing, Design or Product Development, and Materials Engineering. The supplier shall submit a complet
28、ed copy of their laboratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requirements of the Material Specification. Tested material samples must be available for review upon request and kept for a minimum of one y
29、ear. Upon request, the supplier will review the associated quality control documents (Process Failure Mode and Effects Analysis, Control Plans, Certification testing) with Ford. 4.2 SUPPLIERS ONGOING RESPONSIBILITY All materials must be equivalent in all characteristics to the material upon which ap
30、proval was originally granted. Prior to making any changes to the material originally approved, whether or not such changes affect the materials ability to meet the specification requirements, the supplier shall notify the affected Supplier Technical Assistance (STA), Purchasing, and Materials Engin
31、eering activities of the proposed changes (with reasons) by submission of a completed Suppliers Request for Engineering Approval, SREA. For parts and components using Ford Engineering Material Specifications, all samples tested to the specifications for Design Verification (DV), Production Verificat
32、ion (PV) and Production Part Approval Process (PPAP) sign off must be kept until Job 1. 4.3 RESTRICTED SUBSTANCE MANAGEMENT STANDARD Substance restrictions imposed by regulations or Company direction applies to the materials addressed by this document. The restrictions are identified in the Restrict
33、ed 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. 4.4 PATTERNED FABRICS (ASTM D3882/latest) Fabric patterns that may be defined as potential bow and skew
34、concerns will be evaluated and deemed as such by Seat Engineering and/or Color and Materials. Refer to Seat Engineering for Bow and Skew allowance and requirements per each patterned fabric, seat design and vehicle. If verification of bow and skew is required, the ASTM Method must be used by all sou
35、rces. ENGINEERING MATERIAL SPECIFICATION WSS-M8P30-A1 Copyright 2017, Ford Global Technologies, LLC Page 7 of 7 5. SUMMARY OF REVISIONS TABLE 1 TESTING REQUIREMENTS # of Samples Testing for Construction Approval Testing for Lamination Source for PPAP Testing for Color/Grain/Thickness Variations from
36、 Original PPAP Production Control 3.4 Fogging 3 X X 3.5 Fogging 3 X X 3.6 Odor 3 X X 3.7 Flammability 5 (MD & XMD) X X X X 3.8 Resistance to Mildew 1 X 3.9 180 Degree Peel 3.9.1.1 As Received 3 (MD & XMD) X X X X 3.9.1.2 Long Term Environment 3 (MD & XMD) X X 3.9.1.3 Cleaning 3 (MD & XMD) X X 3.9.1.4 As Received 3 (MD & XMD) X X 3.9.1.5 Long Term Environment 3 (MD & XMD) X X 3.10 Laminate Thickness 3 X X X X 3.11 Curling 4 X X X
