1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2003 01 13 Revised Para 3.0 inserted ; Para 3.1, 3.2, 3.3, 3.7, 4 deleted 2001 10 02 Revised Rev. para. 3.5.3, 3.5.6, 5.2.2.& updated D Cannon 1992 05 13 C10213032 Released N. Komatsu Printed copies are unco
2、ntrolled Page 1 of 4 Copyright 2002, Ford Global Technologies, Inc. FABRIC, VINYL COATED, MULTI-PURPOSE WSD-M2F178-A POLYURETHANE FOAM LAMINATE 1. SCOPE The material defined by this specification is an expanded vinyl coated knitted fabric flame laminated to polyether urethane foam. 2. APPLICATION Th
3、is specification was released for material used in interior trims as a covering for door panel inserts. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. In addition to the requirements listed herein, this material shall meet all requirements
4、of the WSS-M8P3-D1/D3, PERFORMANCE, FLEXIBLE POLYMERIC FILM, INTERIOR QUALITY material performance specification except for SEAT BELT WEAR, RESISTANCE TO FLEX FOLD, BREAKING STRENGTH AND SEAM STRENGTH. Assemblies specifying WSD-M2F178-A must also meet the requirements of the WSS-M15P4-E, INTERIOR TR
5、IM, ASSEMBLY PERFORMANCE specification. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 APPEARANCE (FLTM BI 109-01) The color, pattern and finish shall match the
6、 approved master sample, or shall be as specified on the engineering drawing. 3.5 VINYL COATED FABRIC 3.5.1 *Backing Fabric (See para 5, General Information) *Or Engineering Approved Alternative 3.5.2 Weight, range (ASTM D 751, sample method) Backing Fabric 65 +/- 5 gm2Total (Fabric Backing and Viny
7、l Coating) 605 +/- 65 gm2ENGINEERING MATERIAL SPECIFICATION WSD-M2F178-A Page 2 of 4 Copyright 2002, Ford Global Technologies, Inc. 3.5.3 Thickness, range, +/- 12.5 % Vinyl Skin 0.240 mm Total 1.0 mm 3.5.4 Resistance to Tear (Trapezoid), min (ASTM D 1117) Warp 55 N Fill 65 N 3.5.5 Breaking Strength,
8、 min (ASTM D 751, grab method) Warp 350 N Fill 350 N 3.5.6 Stiffness, max (ASTM D 747, direct reading at 60 angle with a 0.01 N-m moment weight) Warp 21 Fill 17 Note : These values are for guidance only. Acceptable stiffness values are to be agreed as part of the Manufacturing Control Plan for the p
9、art. 3.5.7 Low Temperature Impact, min 4 J (FLTM BN 128-01, - 35 C) Original Heat Aged (7 days at 80 C) No visible cracking when tested as received and after heat ageing. 3.5.8 Dimensional Stability, 15 minutes at 100 C, max. (SAE J883, oven aged in ASTM E 145 oven type IIA, 150 +/- 5 air changes pe
10、r hour) Warp +/- 2 % Fill +/- 1 % 3.6 ADDITIONAL REQUIREMENTS FOR FLAME LAMINATED MATERIALS 3.6.1 Vinyl Coated Face Material As specified in para 3.5. 3.6.2 Polyether Urethane Foam As specified in WSD-M2D243-A2 3.6.3 Total Weight, range, +/- 10 % 900 gm2(ASTM D 751, sample method) ENGINEERING MATERI
11、AL SPECIFICATION WSD-M2F178-A Page 3 of 4 Copyright 2002, Ford Global Technologies, Inc. 3.6.4 Thickness, range 6.0 +/- 1.0 mm (ASTM D 1777, circular presser foot area 645 mm2, 2.8 g load, 43 Pa) 3.6.5 Compressed Thickness 2.8 +/- 0.3 mm (ASTM D 1777, circular presser foot area 645 mm2, 1 kg load, 1
12、5 s dwell) 3.6.6 Adhesion Strength, min (FLTM BN 151-05, Method A) Face/Foam Warp 20 N/50 mm Fill 20 N/50 mm 3.6.7 Stretch and Set, % range (SAE J855) Stretch Set Warp 13 - 27 0 - 5 Fill 55 - 95 0 - 10 3.6.8 Modulus, max (5 % strain, 50 mm width sample, 100 mm jaw separation, 125 mm/minute jaw speed
13、, 2 N preload) Warp 50 Fill 30 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 BACKING FABRIC 5.1.1 Composition (ASTM D 276) Fabric Polyester continuous filament Yarn fibre 167 d Tex 5.1.2 Fabric C
14、onstruction, min Wales 73 per 10 cm Courses 90 per 10 cm ENGINEERING MATERIAL SPECIFICATION WSD-M2F178-A Page 4 of 4 Copyright 2002, Ford Global Technologies, Inc. 5.1.3 Breaking Strength, min (ASTM D751) Wales 170 N Courses 110 N 5.2 ALTERNATIVE BACKING FABRIC 5.2.1 Composition (ASTM D 276) Fabric 65 % polyester, 35 % cotton Yarn 200 dtex 5.2.2 Fabric, Construction, min Wales 90 Courses 110 5.2.3 Breaking Strength (ASTM D 751) Wales 130 N Courses 140 N 5.2.4 Backing Fabric Weight 85 +/- 5 g/m2
