1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 10 11 N-STATUS No replacement named C. Mracna, NA 2006 09 29 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1994 11 11 Released NB00I10043054392 M. Masserant Printed copies are uncontrolled Copyright 2010, Ford Global Technolog
2、ies, LLC Page 1 of 3 TUBING, POLYVINYL CHLORIDE (PVC) WSB-M98D32-A COATED FABRIC, ZIPLOCK TYPE NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a non-metallic, flexible, lengthwise lockable opening known as zippertubing. 2. APPLICATION This specification was relea
3、sed originally for material used to encapsulate and protect electrical wires and cables. It allows high flexibility and provides additional abrasion resistance. Maximum operating temperature for the tubing is 105 C, and is applicable for exterior use only. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS F
4、OR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 FORMED PARTS The surface of all tubings must be homogeneous, smooth and essentially free from flaws, defects, pinholes, bubbles, seams, crac
5、ks and inclusions. 3.5 DIMENSIONS As specified in the drawings 3.6 PVC COATED POLYESTER FABRIC All tests where possible, shall be performed on specimens taken from finished parts. Warp Fill 3.6.1 Breaking Strength, N, min 285 303 (ASTM D 751, Procedure B, 25 mm wide strip) 3.6.2 Elongation, %, min 1
6、5 15 (ASTM D 751, Procedure B, 25 mm wide strip) 3.6.3 Tear Strength, N, min 125 125 (ASTM D 751, Procedure B) 3.6.4 Low Temperature Bend Test, max (FLTM BN 128-01) Original (as received) -35 +/- 1 C After 7 days at 105 C -30 +/- 1 C ENGINEERING MATERIAL SPECIFICATIONWSB-M98D32-APrinted copies are u
7、ncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 3 3.6.5 Flammability (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute 3.6.6 Oil Resistance (ISO 1817, 168 h at 50 +/- 2 C immersion in currently approved engine oil and transmission fluid) Breaking Strength Change, max 10% Elongatio
8、n Change, max 10% Volume change, max 30% 3.6.7 Resistance to Gasoline and Hydrocarbons The surface shall not exhibit any color change, loss of gloss, dulling, tackiness or spotting. Test Method: Soak separate specimens for 1 h at 23 +/- 2 C in each of the following fluids: a) hydrocarbon fluid (2.1%
9、 toluene, 0.5% diisobutylene, 97.4% octane primary reference fuel), b) any regular grade of commercially available nonleaded gasoline, c) leaded gasoline, After removal of specimens from solutions, condition for 3 h at 23 +/- 2 C and examine. 3.6.8 Heat Aging No delamination or loss (FLTM BN 113-03)
10、 of coating film integrity 3.6.9 Abrasion Resistance, min Shall be compatible with (FLTM 108-02, except adjacent unabraded area H18 wheels, 250 g load) 3.7 ZIPPER FASTNER: RIGID PVC COMPOUND 3.7.1 Density, min 1.20 g/cm3(ISO 1183, Method A) 3.7.2 Hardness, Duromemter D (ISO 868) Instantaneous 79 +/-
11、 4 15 s delay 75 +/- 4 3.7.3 Tensile Strength, min 14 MPa (ISO R527) 3.7.4 Elongation, min 200% (ISO R527) ENGINEERING MATERIAL SPECIFICATIONWSB-M98D32-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 3 3.7.5 Pull test, min 67 N Test Method: Use a 25 mm specim
12、en of the extruded Z-track. The arrow and the channel are interlocked and allowed to set for approximately 15 minutes at 23 +/- 2 C. The sample is clamped between jaws of the tensile tester and pulled apart at 127 mm/minute. 3.7.5.1 Heat Aged, 2 h at 105 +/- 2 C, min 58 N 3.7.6 Heat Aging Performanc
13、e (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 75 +/- 2 C, unaged property values shall be determined at the time of the aged properties determination) 3.7.6.1 Tensile Strength Change +/- 25% (ISO R 527) 3.7.6.2 Elongation Change +/- 25% (ISO R 527) 3.7.6.3 Hardness Change +/- 25% (ISO 868)
14、5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 RECYCLING CODE PVC,PET 5.2 For information on currently approved service fluids and other materials required for use in this specification contact: M
15、aterials Laboratory 15/GM-DO1-D Supervisor Research and Engineering Center Materials and Fasteners Engrg. Ford Motor Company Ltd. Ford Motor Company Laindon, Basildon P.O Box 2097 Essex ss15 6EE, England 36200 Plymouth Road Livonia, Michigan 48151, U.S.A. (Currently used transmission fluid) Fluids Material Section Coolants/Greases Engine Engineering Ford Motor Co. P.O. Box 2053 21500 Oakwood Blvd. Dearborn, MI 48121, U.S.A. (Currently used engine oil)
