1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2016 04 06 Editorial See Summary of Revisions G.Kowalski, NA 2015 06 19 Revised See Summary of Revisions G. Kowalski, NA 2001 07 19 Activated J. Spencer Controlled document at www.MATS Copyright 2016, Ford Global Technologies, Inc. Pag
2、e 1 of 5 HOSE, REINFORCED RUBBER, DIESEL FUEL WSS-M96D33-B1 RESISTANT, CONDUCTIVE 1. SCOPE This 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. APP
3、LICATION This specification was released originally for diesel fuel filler hose and vent lines. 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
4、. 3. REQUIREMENTS Material specification 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 spect
5、ra and thermograms established for initial 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 CONDI
6、TIONING AND TEST CONDITIONS All test 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 SPECI
7、FICATION WSS-M96D33-B1 Copyright 2016, Ford Global Technologies, Inc. Page 2 of 5 3.4 TUBE CONSTRUCTION The hose consists of an inner tube of diesel fuel resistant elastomer such as nitrile rubber (HNBR), one ply of braided, knit, or spiral woven fabric, and a cover of heat and ozone resistant elast
8、omer such as chlorinated polyethene or 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 D141
9、5) 3.5.2 Hardness, Type A, points 75 +/-5 75 +/- 5 (ISO 868, ASTM D2240) 3.5.3 Tensile Strength 13.5 MPa min 9.0 MPa min (ISO 37/ASTM D412, Die C) 3.5.4 Elongation 300 % min 250 % min 3.5.5 Modulus at 100 % Elongation 2.5 MPa min 2.5 MPa min 3.5.6 Compression Set 60 % max 30 % max (ISO 815/ASTM D395
10、, Method B, button specimens, 22 h at 125 C) 3.6 HEAT AGED, cover only (ISO 188/ASTM D573 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 D573, 168 h at 125 C) 3.7.1 Tensile Strength
11、 Change - - 30 % max 3.7.2 Elongation Change - - 50 % max 3.7.3 Hardness Change, points A - + 15 max ENGINEERING MATERIAL SPECIFICATION WSS-M96D33-B1 Copyright 2016, Ford Global Technologies, Inc. Page 3 of 5 3.8 IMMERSION IN ASTM FUEL C, tube only Tube Cover (ISO 1887/ASTM D471, 360 h at 40 C) 3.8.
12、1 Hardness Change, points - 30 - 3.8.2 Tensile 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 D471, 360 h at 40 C) 3.9.1 Har
13、dness Change, points - 20 - 3.9.2 Tensile Strength 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 D1149, 50 pphm ozone, 168 h 40 C) 3.11 BU
14、RST PRESSURE, finished hose 0.34 MPa min (ASTM D380) 3.12 VACUUM COLLAPSE - 20 % max (SAE J30R11) 3.13 COLD FLEXIBILITY No cracks or crazing (SAE J30R11) ENGINEERING MATERIAL SPECIFICATION WSS-M96D33-B1 Copyright 2016, Ford Global Technologies, Inc. Page 4 of 5 3.14 OVALITY 75 % (ASTM D380) 3.15 FIR
15、E RESISTANCE, cover Self-extinguishing within 60 seconds (ISO 3795) 3.16 ADHESION (ASTM D413, strip method, type A) Tube to Ply 1.0 kN/mm min Cover to Ply 1.0 kN/m min 3.17 RESISTANCE TO KINKING No kink (SAE J2405) 3.18 INSTALLATION EFFORTS, N As defined on Engineering Drawing (Use mating production
16、 fittings for testing, lube with P80) 3.19 ELECTRICAL RESISTANCE Surface resistivity less (FLTM BP 108-10) than or equal to 10E6 ohms 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questi
17、ons concerning Engineering Material Specifications. 4.1 RECYCLING CODE 4.2 APPROVAL OF MATERIALS 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 materia
18、ls critical to the Companys business for regulatory, safety, environmental or compatibility requirements 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
19、 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. 4.3 SUPPLIERS RESPONSIBILITY All materials supplied to this specification
20、 must be equivalent in all characteristics to the material upon which 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 ENGINEERING MATERIAL SPE
21、CIFICATION WSS-M96D33-B1 Copyright 2016, Ford Global Technologies, Inc. Page 5 of 5 requirements, the Supplier shall notify the affected Purchasing, and Materials Engineering activities (with reasons) of the proposed changes. Upon notification of the Company, further instructions will be provided. N
22、ote: Suppliers should be prepared to provide test data and samples demonstrating compliance to this specification, if requested. Substance restrictions imposed by regulations or Company direction applies to the materials addressed by this document. The restrictions are identified in Restricted Subst
23、ance Management Standard WSS-M99P9999-A1. 5. SUMMARY OF REVISIONS 2016 04 06 Updated general information Correct typos in 3.4 and 4.1 2015 06 19 Para 2. Removed max working pressure covered in ES specification Para 3.5.6 Comp. set added max Para 3.11 Burst pressure added min Para 3.12 Vacuum collapse added max Para 3.15 Remove Permeation Rate from spec was TBD for value Para 3.15 Fire resistance added clarification to the requirement Para 3.16 Adhesion added min Renumbered Para 3.16 to 3.20
