1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2007 09 11 Activated L. Sinclair Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 1 of 4 WEBBING, PULL STRAP WSS-M15P51-A 1. SCOPE The material performance defined by this specification is for a woven pull str
2、ap with continuous filament yarn and finished selvages. 2. APPLICATION This specification was released for material used as rear seat pull straps. Testing must be performed on new construction parts and new colors unless specified otherwise by Ford Materials Engineering. See Table 1 for sample size
3、and testing requirements. 2.1 LIMITATIONS Color stripping for re-dyeing of webbing rejected for color is not allowed. This material is not to be used in seat belt webbing applications. 3. REQUIREMENTS In addition to the requirements listed herein, the end item pull strap shall meet all requirements
4、of the material as detailed on the engineering drawing. Details of the material must be documented and supplied to Materials Engineering in the attached pull strap construction supplement (Page 4). In addition to the requirements specified herein, the pull straps shall meet the applicable System Des
5、ign Specifications (SDS) requirements. 3.1 QUALITY SYSTEM REQUIREMENTS Material suppliers and part producers must conform to the Companys Standard Requirements for Production Materials (WSS-M99P1111-A). 3.2 APPEARANCE (FLTM BI 109-01) The color, pattern, and finish shall match the approved Design Ce
6、nter master sample, or shall be as specified on the engineering drawing. 3.3 BREAKING STRENGTH, min (ASTM D 5034) Full Width 215 N per mm width ENGINEERING MATERIAL SPECIFICATIONWSS-M15P51-A Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 2 of 4 3.4 RESISTANCE TO F
7、ADE, min (FLTM BO 116-01, AATCC Evaluation Procedure 1) 225.6 kJ/m2Rating 4 3.5 RESISTANCE TO CROCKING, min (FLTM BN 107-01, AATCC Evaluation Procedure 3, use instrumental method FLTM BN 107-02, when color transfer is visually apparent) Dry and Wet Rating 4 (4.3 E maximum) If a crock result is great
8、er than 4.3 E, repeat the colorimeter measurement for 4 additional times on the sample and average all 5 results to minimize measurement error. The average must be less than or equal to 4.3 E. DO NOT conduct another crock test on the sample unless examination of the original crock cloth indicates th
9、e test was conducted improperly (e.g. uneven pressure of the crock finger). 3.6 HEAT AGE, min. Rating 4 (7 days at 80 +/- 2 C, ISO 105-A02/ AATCC Evaluation Procedure 1) No individual yarn or combination of yarns shall exhibit fiber deterioration or color tone change in excess of the above rating. T
10、here shall be no visual deterioration of backcoating. 3.7 SOILING AND CLEANABILITY, min. (FLTM BN 112-08, ISO 105-A02/ AATCC Evaluation Procedure 1) After Cleaning Rating 3 3.8 FOGGING, min (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number 70 The f
11、ormation of clear film, droplets or crystals is cause for rejection. 3.9 FLAMMABILITY, max (ISO 3795/SAE J369) Burn Rate 100 mm/minute ENGINEERING MATERIAL SPECIFICATIONWSS-M15P51-A Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 3 of 4 3.10 ODOR, max FLTM BO 131-0
12、3 Rating 3 or SAE J1351 Rating 3 Test report must state the method used. TEST MATRIX Table 1 For Paragraphs: New Construction or New Supplier (Product Verification) Current Construction New Color (Design Verification) Submit Samples to Materials Engineering for Review 3.3 Breaking Strength 6 any col
13、or - - 3.4 Resistance to Fade 1 any color 1 per color X 3.5 Resistance to Crocking 1 any color 1 per color X 3.6 Heat Age 1 any color 1 per color X 3.7 Soiling and Cleanability 1 any color 1 per color X 3.8 Fogging 1 any color 1 per color X (sandwiched fog plates to be reviewed) 3.9 Flammability* 1
14、any color - - 3.10 Odor 1 any color - - *The number of samples is dependent on burn rate. ENGINEERING MATERIAL SPECIFICATIONWSS-M15P51-A Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 4 of 4 Pull Strap Construction Supplement Supplier _Supplier Contact_ Phone Numb
15、er _ Product Name _ Supplier Product Code _ Supplier Lab Number _ Supplier Lab Date _ Manufacturing Location _ Composition Type/% of Total Yarn Supplier Yarn ASTM D 629 _ _ Yarn ASTM D 629 _ _ Construction Thickness SAE J882 _ +/- _ mm Width Measured at less than 22 N _ +/- _ mm Weight _ +/- _ g/m2 Strap Construction _ Breaking Strength ASTM D 5034 _ +/- _ N/mm Materials Engineering Signature _Date _ Comments _ _ New Construction/New Supplier Product Verification _ New Color Design Verification _
