1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 01 31 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.16, 3.17, 4 1991 09 20 Released NBOOI10043054127 DRH BCF LWM Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 3 TAPE, MODIFIED POLYVINYL CHLORIDE,
2、 HIGH TEMPERATURE WSB-M3G205-A 1. SCOPE The material defined by this specification is a modified polyvinyl chloride tape with high temperature resistance having no adhesive backing. 2. APPLICATION This specification was released originally for material used as a protective covering wrapped around pr
3、efabricated wiring harnesses. It is wrapped around the wires with sufficient tension and overlap to provide adequate retention. It can be used at continuous operating temperatures up to 150 C. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers mu
4、st conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 COLOR Black 3.5 TENSILE STRENGTH, min 14.0 MPa (ASTM D 882, Method A) 3.6 ELONGATION, min 160% (ASTM D 882, Method A) 3.7 ELASTIC MODULUS AT 100% ELONGATION, min 10.0 MPa (ASTM D 882) 3.8 THICKNESS, range
5、 0.12 - 0.15 mm (ASTM D 1000) 3.9 FOGGING (FLTM BO 116-03) Fog Number, min 60 The formation of droplets or coalescence into a clear film is cause for rejection. 3.10 FLAMMABILITY Shall not support combustion (ASTM D 568) nor burn to the gauge mark. Self extinguishes within 30 s 3.11 RESISTANCE TO AU
6、TOMOTIVE FLUIDS After prescribed exposure, the tape shall show no signs of flagging, degradation, or loss of adhesion. ENGINEERING MATERIAL SPECIFICATIONWSB-M3G205-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 3 3.11.1 Room Temperature Fluids (23 +/- 2 C im
7、mersion) Reference Fuel C ASTM D 471/ISO 1817 Diesel Fuel ESE-M4C8-A * Brake Fluid ESA-M6C25-A * Battery Acid 35% H2SO4 Windshield Washer Fluid ESR-M17P5-A * * Or currently released equivalent fluid (see para 5.1). Test Method: Wrap and tie tape around a 300 mm long, 9.5 mm diameter convolute for 10
8、0 mm. Immerse four wrapped samples in each fluid for five minutes. Remove from fluid and observe effects after 1, 24, 48, and 72 h. 3.11.2 High Temperature Fluids (100 +/- 2 C immersion) Transmission Fluid ESP-M2C138-CJ * Engine Oil WSD-M2C904-A Anti-freeze ESE-M97B44-A * Engine Degreaser ESR-M14P3-
9、A * * Or currently released equivalent fluid (see para 5.1). Test Method: Same as above, except immerse samples in fluids maintained at 100 +/- 2 C for five minutes. Remove samples and age in an oven maintained at 100 +/- 2 C for 1, 24, 48, and 72 h. Remove from oven and observe effects. 3.12 COLD F
10、LEXIBILITY No cracking or splitting (FLTM BN 102-01, Method A) Precondition samples in oven at 82 +/- 2 C for 24 h. Use cold box maintained at -34 +/- 2 C and a 6 mm diameter mandrel for flex test. 3.13 UNWIND PULL 250 - 330 N/m (ASTM D 1000, Method A) 3.14 STORAGE STABILITY The material shall be st
11、ored at temperatures below 30 C, away from all sources of heat and sunlight. Under these storage conditions, the minimum shelf life of the material shall be six months. When these materials are stored at temperatures below 23 C, they shall be conditioned at room temperature prior to application. Ade
12、quate conditioning permits the material to obtain its optimum application properties. 5. GENERAL INFORMATION The information below is provided for clarification and assistance in meeting the requirements of this specification. ENGINEERING MATERIAL SPECIFICATIONWSB-M3G205-APrinted copies are uncontro
13、lled Copyright 2006, Ford Global Technologies, LLC Page 3 of 3 5.1 For information on currently approved fluids used in para 3.11 of this specification contact: Materials Laboratory 15/GM-D01-D Fluids Materials Section Research & Engineering Center Coolants/Greases Ford Motor Company Ltd. Engine Engineering Laindon, Basildon P.O. Box 2053 Essex SS15 6EE, England 21500 Oakwood Blvd. Dearborn, MI 48121, U.S.A. Materials Engineering Product Engineering Office Ford Motor Co. of Australia Ltd. Princes Highway, Norlane Victoria 3214, Australia
