1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Rev. 1 2009 08 06 Revised Updated per WSS-M8P5-A L. Schmalz, NA 2000 07 17 Released Y. Bankowski, NA Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, Inc. Page 1 of 2 THREAD, NYLON, FOUR PLY, TEX 90 WSS-M15H51-B2 1. SC
2、OPE The material defined by this specification is a nylon thread manufactured as a single cord incorporating four separate plies. 2. APPLICATION This specification was released originally for material used as a sewing thread used in seat and/or trim assemblies. 3. REQUIREMENTS In addition to the req
3、uirements quoted herein, this material must meet the requirements of the Sewing Thread Performance Specification, WSS-M8P5-C 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1
4、111-A). 3.2 APPEARANCE (FLTM BI 109-01) The color, pattern, and finish shall match the approved Design Center master sample, or shall be as specified on the Engineering Drawing. 3.3 YARN CONSTRUCTION AND DESCRIPTION (ASTM D 1244) The thread is manufactured in one single cord from four separate ends
5、of 23.5 tex f34, multifilament, bright, high tenacity polyamide type 6.6 yarn. They are twisted together in reverse (Z) direction. 3.4 PHYSICAL REQUIREMENTS 3.4.1 Thread Size, range 90 +/- 10 Tex (ASTM D 204-2) 3.4.2 Tensile Strength 54 N min (ASTM D 204-2) ENGINEERING MATERIAL SPECIFICATIONWSS-M15H
6、51-B2 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, Inc. Page 2 of 2 3.4.3 Elongation at Break, range 15 - 30% (ASTM D 204-2) 3.4.4 Twist, range 260-440 turns/m (ASTM D 204-2) 5. SUMMARY OF REVISIONS 2009 08 06 Updated 3 Deleted 3.1 3.3 Moved 3.4 to 3.2 Moved 3.5 to 3.3 Moved 3.6 to 3.4 Deleted 3.7
