1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 1 2014 11 24 N Status A1/A2 no replacements named D. Murtonen, NA 2012 04 26 Activated Activated Y. Bankowski, NA Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 1 of 5 FLEXIBLE COVERSTOCK, THERMOPLASTI
2、C OLEFIN (TPO), WSS-M2F208-A1 POLYESTER KNITTED FABRIC BACKED NOT TO BE USED FOR NEW DESIGN FLEXIBLE COVERSTOCK, THERMOPLASTIC OLEFIN (TPO), WSS-M2F208-A2 OPEN CELL POLYURETHANE FOAM BACKED NOT TO BE USED FOR NEW DESIGN FLEXIBLE COVERSTOCK, THERMOPLASTIC OLEFIN (TPO), WSS-M2F208-A3 POLYESTER KNITTED
3、 SPACER FABRIC BACKED 1. SCOPE The materials defined by this specification are laminates consisting of a solid thermoplastic olefin (TPO) film, and various fabric backings. 2. APPLICATION This specification was released originally as a flexible covering with or without decorative stitching, to manua
4、lly wrap and adhesively bond to a plastic substrate for instrument panel applications. 2.1 LIMITATIONS The WSS-M2F208-A2 material should not be used for seamless Passenger Airbag (PAB) applications. If the plastic substrate is an olefin based material, it must be pretreated with adhesion promoter or
5、 flame or plasma treatment and no slip agent should be present unless validated with the slip agent. The decorative thread and stitching must be evaluated by Design. The sewing must be done in a way to not show the substrate and or backing fabric. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUC
6、TION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements for Production Materials (WSS-M99P1111-A). 3.1.1 Materials used in interior applications must meet the requirements outlined in WSS-M99P2222-C1/Latest, Performance, Vehicle Interior Environment Qu
7、ality Material/Component Requirements. Data must be included in material submission package. 3.1.2 Performance Criteria: Parts using this specification shall meet the appropriate performance specification, WSS-M15P45-B/Latest and if sewn, the thread must comply to WSS-M8P5-C. ENGINEERING MATERIAL SP
8、ECIFICATION WSS-M2F208-A1/A2/A3 Copyright 2014, Ford Global Technologies, LLC Page 2 of 5 3.2 APPEARANCE 3.2.1 Color Matching with Artificial Light (FLTM BI 109-01, Visual Assessment) The color, pattern and finish shall match the approved Design Center master sample, or shall be as specified on the
9、Engineering Document. 3.2.2 Gloss (FLTM BI 110-01) As specified on the Engineering Drawing 3.3 COMPOSITION WSS-M2F208-A1 WSS-M2F208-A2 WSS-M2F208-A3 Face Material: Thermoplastic Olefin (TPO) TPO TPO Backing: Polyester knitted Polyester knitted fabric Polyester knitted fabric fabric Polyurethane foam
10、 Polyester knitted spacer fabric 3.4 TEST SPECIMENS Unless otherwise specified, all tests shall be carried out on specimens die cut from roll goods. 3.5 TOTAL THICKNESS (ISO 2286, Part 3) WSS-M2F208-A1 0.88 +/- 0.2 mm WSS-M2F208-A2 1.63 +/- 0.2 mm WSS-M2F208-A3 2.11 +/- 0.3 mm 3.6 WEIGHT (ISO 2286,
11、Part 2) WSS-M2F208-A1 total 480 g/m2 min WSS-M2F208-A2 total 574 g/m2 min WSS-M2F208-A3 total 811 g/m2 min 3.7 BREAKING STRENGTH, N min (ASTM D751, Grab Method) WSS-M2F208-A1 WSS-M2F208-A2 WSS-M2F208-A3 WMD 450 550 800 AMD 350 450 700 ENGINEERING MATERIAL SPECIFICATION WSS-M2F208-A1/A2/A3 Copyright
12、2014, Ford Global Technologies, LLC Page 3 of 5 3.8 RESISTANCE TO TEAR (Trapezoid), N, min (ASTM D751) WSS-M2F208-A1 WSS-M2F208-A2 WSS-M2F208-A3 WMD 300 200 300 AMD 150 200 200 3.9 HEAT AGING PERFORMANCE (ISO 188, except 150 +/- 50 air changes/h, 240 h at 107C +/- 2 C Unaged property values shall be
13、 determined at the time of the aged properties determination) 3.9.1 Color Stability Rating 4 min (AATCC Procedure 1/ISO 105-A02) 3.9.2 Cold Flexibility No Cracks (SAE J323 Method A, -20 C, 20 mm mandrel, Specimen size, 50 x 150 mm) 3.9.3 Elongation at Break Change +/- 20% max From Original Value, (I
14、SO R 527, type 2/ASTM 638M-ll, 100 mm/minute test speed) 3.9.4 Dimensional Stability 4% max (SAE J883) 3.10 HUMIDITY AGING PERFORMANCE (FLTM BQ 104-02, 7 days) 3.10.1 Color Stability Rating 4 min (AATCC Procedure 1/ISO 105-A02) 3.10.2 Cold Flexibility No Cracks (SAE J323 Method A -20 C, 20 mm mandre
15、l, Specimen size, 50 x 150 mm) 3.10.3 Elongation at Break Change +/- 20% max From Original Value, (ISO R 527, type 2/ASTM 638M-ll, 100 mm/minute test speed) 3.11 ODOR Rating 3 max (FLTM BO 131-03, Variant C) 3.12 FOGGING PHOTOMETRIC (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test con
16、ditioning 16 h) Fog Number 70 min Formation of clear film, droplets or crystals is cause for rejection. 3.13 FOGGING GRAVIMETRIC 2.5 mg max (SAE J1756, 16 h at 100 C heating, 21 C cooling plate, post test conditioning 4 h) ENGINEERING MATERIAL SPECIFICATION WSS-M2F208-A1/A2/A3 Copyright 2014, Ford G
17、lobal Technologies, LLC Page 4 of 5 3.14 STRETCH AND SET, % max (SAE J855, 5 min/120N) WSS-M2F208-A1 WSS-M2F208-A2 WSS-M2F208-A3 Stretch WMD 150 50 50 AMD 250 100 50 Set WMD 150 10 10 AMD 150 10 10 3.15 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, 100 mm/minute max 3.16 WEATHERING RESISTANCE Rating 4
18、 min (FLTM BO 116-01, 3609.6 kJ/m2 exposure min, Specimen size 60 x 140 mm min, ISO 105 A-02/AATCC Evaluation Procedure 1) After 3609.6 kJ/m2 exposure, the material shall show no fading or color change in excess of specified Gray Scale rating (AATCC Evaluation Procedure 1/ISO 105-A02). In addition,
19、there shall be no cracking, crazing or other deterioration. 3.17 RESISTANCE TO ABRASION (SAE J948, CS-10 wheels, 500g, 250 cycles) The surface shall show no evidence of wear through and the color shall be compatible to the adjacent unabraded area. No significant gloss change is permitted. A change i
20、n gloss will be evaluated by Materials Engineering for acceptability. 3.18 RESISTANCE TO SCUFFING (SAE J365, 250 cycles) The surface shall show no evidence of wear through, lifting, peeling or excessive scuffing and the color shall be compatible to the adjacent unabraded area. No significant gloss c
21、hange is permitted. A change in gloss will be evaluated by Materials Engineering for acceptability. 3.19 RESISTANCE TO CLEANING AGENTS Rating 4 min (FLTM BN 107-01, 10 cycles, AATCC Evaluation Procedure 2) Test Procedure: Saturate white cotton cloth with the cleaners listed. Evaluation according to
22、the AATCC Scale. Cleaners: 1) Deionized water 2) Window cleaner, see para 4.1 3) All purpose cleaner, see para 4.1 4) Dry (no cleaners or water) ENGINEERING MATERIAL SPECIFICATION WSS-M2F208-A1/A2/A3 Copyright 2014, Ford Global Technologies, LLC Page 5 of 5 3.20 RESISTANCE TO SUNTAN LOTION Rating 3
23、max AND INSECT REPELLENT No loss of adhesion (FLTM BI 113-08, 23 C and 74C) 3.21 COLORFASTNESS TO BURNT GAS Rating 4 min 168 hours at 60 C (AATCC 23, ISO 105 A-02/AATCC Evaluation Procedure 1) 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 CLEANING AGENTS Window Cleaner Windex* All-purpose Cleaner Formula 409 All Purpose Cleaner* http:/ Or Fantastik Heavy Duty All Purpose Cleaner* *Or commercially available equivalent
