1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2001 07 19 Activated J. Spencer Printed copies are uncontrolled Page 1 of 5 Copyright 2001, Ford Global Technologies, Inc. HOSE, REINFORCED RUBBER, DIESEL FUEL WSS-M96D33-B1 RESISTANT, CONDUCTIVE 1. SCOPE Th
2、is specification defines a reinforced elastomeric hose with a non-barrier layer construction and having a conductive tube that is resistant to diesel fuel and a cover that is heat and ozone resistant. 2. APPLICATION This specification was released originally for diesel fuel filler hose and vent line
3、s. The maximum working pressure should not exceed 104 kPa. Long term continuous operating temperature should not exceed 100 C and maximum intermittent temperature excursions should not exceed 125 C. This construction is not recommended for bio-diesel applications. 3. REQUIREMENTS Material specificat
4、ion requirements are to be used for initial qualification of materials. 3.1 QUALITY SYSTEM REQUIREMENTS Material suppliers and part producers must conform to the Companys Quality System Requirements. 3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS IR spectra and thermograms established for in
5、itial approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. All samples shall produce IR spectra and thermograms that correspond to the reference standard when tested under the same conditions. 3.3 CONDITIONING AND TEST CONDITIONS All test
6、values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5 % relative humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. ENGINEERING MATERIAL SPECIFICATION WSS-M96D33-B1 Page 2 of 5 Co
7、pyright 2001, Ford Global Technologies, Inc. 3.4 TUBE CONSTRUCTION The hose consists of an inner tube of diesel fuel resistant elastomer such as nitrile rubber (NBR), one ply of braided, knit, or spiral woven fabric, and a cover of heat and ozone resistant elastomer such as chlorinated polyethene or
8、 chlorosulphonated polythylene (CPE/CSM). Deviations from the above suggested elastomers must be agreed upon between supplier and Ford Motor Company Materials Engineering. 3.5 ORIGINAL PROPERTIES Tube Cover 3.5.1 Hardness, IRHD 75 +/-5 75 +/- 5 (ISO 48/ASTM D 1415) 3.5.2 Hardness, Type A, points 75
9、+/-5 75 +/- 5 (ISO 868, ASTM D 2240) 3.5.3 Tensile Strength, MPa, min 13.5 9.0 (ISO 37/ASTM D 412, Die C) 3.5.4 Elongation, %, min 300 250 3.5.5 Modulus at 100 % Elongation, 2.5 min 2.5 min MPa 3.5.6 Compression Set, % 60 30 (ISO 815/ASTM D 395, Method B, button specimens, 22 h at 125 C) 3.6 HEAT AG
10、ED, cover only (ISO 188/ASTM D 573 1000 h at 100 C) 3.6.1 Tensile Strength change, % - - 10 3.6.2 Elongation Change, % - - 50 3.6.3 Hardness Change, points A - + 10 3.7 HEAT AGED, cover only (ISO 188/ASTM D 573, 168 h at 125 C) 3.7.1 Tensile Strength Change, % max - - 30 3.7.2 Elongation Change, % m
11、ax - - 50 3.7.3 Hardness Change, points A max - + 15 ENGINEERING MATERIAL SPECIFICATION WSS-M96D33-B1 Page 3 of 5 Copyright 2001, Ford Global Technologies, Inc. 3.8 IMMERSION IN ASTM FUEL C, tube only Tube Cover (ISO 1887/ASTM D 471, 360 h at 40 C) 3.8.1 Hardness Change, points - 30 - 3.8.2 Tensile
12、Strength Change, % - 50 - 3.8.3 Elongation Change, % - 50 - 3.8.4 Volume Change, % + 30 - 3.8.4.1 Dry Out (24 h at 70 C) Hardness Change, % + 15 - Volume Change, % - 15 - 3.9 IMMERSION IN DIESEL FUEL, tube only (ISO 1887/ASTM D 471, 360 h at 40 C) 3.9.1 Hardness Change, points - 20 - 3.9.2 Tensile S
13、trength Change, % - 20 - 3.9.3 Elongation Change, % - 30 - 3.9.4 Volume Change, % + 25 - 3.9.4.1 Dry Out (24 h at 70 C) Hardness Change, % + 10 - Volume Change, % - 10 - 3.10 OZONE RESISTANCE, Cover only - Rating 0 (ASTM D 1149, 50 pphm ozone, 168 h 40 C) 3.11 BURST PRESSURE, finished hose, MPa 0.34
14、 (ASTM D 380) 3.12 VACUUM COLLAPSE, % - 20 (SAE J30R11) 3.13 COLD FLEXIBILITY No cracks or crazing (SAE J30R11) ENGINEERING MATERIAL SPECIFICATION WSS-M96D33-B1 Page 4 of 5 Copyright 2001, Ford Global Technologies, Inc. 3.14 OVALITY, % 75 (ASTM D 380) 3.15 PERMEATION RATE, g/m/24 h TBD (SAE J30 rese
15、rvoir method, 40 C, using No. 2 diesel fuel) 3.16 FIRE RESISTANCE, cover Passed 60 s (ISO 3795) 3.17 ADHESION (ASTM D 413, strip method, type A) Tube to Ply kN/mm 1.0 Cover to Ply kN/mm 1.0 3.18 RESISTANCE TO KINKING No kink (SAE J2405) 3.19 INSTALLATION EFFORTS, N, max As defined on Engineering Dra
16、wing (Use mating production fittings for testing, lube with P80) 3.20 ELECTRICAL RESISTANCE Surface resistivity less (FLTM BP 108-10) than or equal to 10E6 ohms 3.21 SUPPLIERS RESPONSIBILITY All materials supplied to this specification must be equivalent in all characteristics to the material upon w
17、hich approval was originally granted. Prior to making any changes to the material originally approved under this specification, whether or not such changes affect the materials ability to meet the specification requirements, the Supplier shall notify the affected Purchasing, and Materials Engineerin
18、g activities (with reasons) of the proposed changes. Upon notification of the Company, further instructions will be provided. Note: Suppliers should be prepared to provide test data and samples demonstrating compliance to this specification, if requested. Substance restrictions imposed by regulation
19、s or Company direction applies to the materials addressed by this document. The restrictions are identified in Restricted Substance Management Standard WSS-M99P9999-A1. ENGINEERING MATERIAL SPECIFICATION WSS-M96D33-B1 Page 5 of 5 Copyright 2001, Ford Global Technologies, Inc. 4. APPROVAL OF MATERIAL
20、S Materials defined by this specification for direct supply to the Company must have prior approval. Certain materials subcontracted by part suppliers may also require prior approval. These include materials critical to the Companys business for regulatory, safety, environmental or compatibility req
21、uirements or contractual agreements. Suppliers desiring approval of their materials shall first obtain an expression of interest from Purchasing, Design or Materials Engineering activity. Upon request, the Supplier shall submit a completed copy of their laboratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requirements of this specification. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 RECYCLING CODE
