1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev.02 2016 11 23 Revised See summary of revisions A. Reaume/G. Kowalski, NA 1990 10 22 NL00E10092163001 Released L. Gullen, NA Controlled document at www.MATS Copyright 2016, Ford ; Global Technologies, LLC Page 1 of 5 HOSE, REINFORCED RUBBE
2、R, FUEL/ALCOHOL RESISTANT WSL-M96D33-A CONDUCTIVE 1. SCOPE This specification defines a conductive, reinforced synthetic rubber hose with good resistance to fuel permeability. 2. APPLICATION This specification was released originally for fuel tank filler hoses. 2.1 LIMITATIONS Vapor lines can be eit
3、her conductive or non-conductive. Liquid caring lines must be conductive. This material does not contain UV stabilizers, long term exposure to direct sunlight will cause cracking. All components exposed to direct sunlight must contain UV stabilizers. 3. REQUIREMENTS 3.1 APPROVED SOURCES This specifi
4、cation requires the use of approved sources. Only the sources identified on the Ford Approved Source List (ASL) can be used when this specification is listed on the drawing, CAD file, or other documents. The list of approved sources is located within Ford at or available externally through a Ford M
5、aterials Engineer. 3.2 CONDITIONING AND TEST CONDITIONS All test values are based on material conditioned for not less than 24 h prior to testing in a controlled environment of 23 +/- 2 C and 50 +/- 5% relative humidity. Testing of the material should occur in the conditioning environment or soon af
6、ter removal. 3.3 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS IR spectra and thermograms from initial material approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. The material supplier shall ensure that all future material supplied
7、to the specification shall produce IR spectra and thermograms that correspond to the reference standard when tested under the same conditions. 3.4 INITIAL QUALIFICATION Suppliers seeking approval to this specification must meet the initial qualification processes that include evaluating materials an
8、d constructions according to the applicable Fuel System Design Specification (SDS) and individual Design Verification Methods (DVM). 3.5 HOSE CONSTRUCTION The hose shall consist of a smooth bore, fuel resistant, static conductive synthetic rubber tuber reinforced with one or more plies of braided, k
9、nit, spiral or woven fabric covered with a suitable oil and ozone resistant synthetic rubber compound. ENGINEERING MATERIAL SPECIFICATION WSL-M96D33-A Copyright 2016, Ford Global Technologies, LLC Page 2 of 5 3.6 ADDITIONAL REQUIREMENTS Requirements beyond those explicitly stated in this document an
10、d the material specification may be specified on the Engineering drawing, Engineering specification (ES), performance specification, System Design Specification (SDS) and/or Attribute Requirement List (ARL). 3.7 PERFORMANCE CRITERIA Materials approved to this specification must also be approved to t
11、he fuel system polymeric materials performance standard: WSS-M98P14-A2 Tube Cover 3.7.1 Hardness Durometer A 70 80 63 73 (ISO 868/ASTM D2240 Instantaneous, plied up Specimen. Hand held Durometers shall not be used) 3.7.2 Tensile Strength, MPa, min 8.6 8.6 (ISO 37/ASTM D412, Die C 50 mm/minute test s
12、peed) 3.7.3 Elongation at Break, %, min 250 200 (ISO 37/ASTM D412, Die C) 3.7.4 Modulus at 100% 1.9 1.3 Elongation, MPa, min ISO 37/ASTM D412, Die C) 3.7.5 Heat Aged (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 168 h at 125 C) 3.7.5.1 Hardness Change, max +15 +15 3.7.5.2 Tensile Strength Change, %
13、, max -10 -10 3.7.5.3 Elongation Change, %, max -50 -60 3.7.6 Burst Pressure (ASTM D380) Hose Size (Approximate I.D.) Complete Construction Below 9.53 mm 1.72 MPa, min 9.53 15.87 mm 1.20 MPa, min 15.87 mm and larger 0.34 MPa, min 3.7.7 Compression Set 75% max (FLTM BP 108-6, 22 h at 120oC, 25% compr
14、ession) 3.7.8 Electrical Resistance Surface resistivity (SAE J2260) less than or equal to 1 x 106 Ohms ENGINEERING MATERIAL SPECIFICATION WSL-M96D33-A Copyright 2016, Ford Global Technologies, LLC Page 3 of 5 Complete Construction 3.7.9 Vacuum Collapse (SAE J30R11) Test Method: For straight hose, a
15、1 m length of hose or the assembly shall be held in a straight line. On preformed parts, the vacuum collapse test shall be performed on the finished part. No diameter shall decrease by more than 20 % during the application of vacuum for a minimum of 15 seconds and not more than 60 seconds. Hose size
16、s as listed below shall be subjected to the corresponding vacuum pressure: Nominal hose ID 44.5 mm 10 kPa 20 % max Complete Construction 3.7.10 Ovality, 75% min (Not applicable to hoses with I.D. greater than 16.28 mm, unless otherwise specified on engineering drawing) Ovality = I.D. minimum x 100 I
17、.D. maximum 3.7.11 Resistance to Kinking Ball must pass freely (SAE J30, para 6.5.11) 3.7.12 Flammability Resistance, Cover Stock Only Self- extinguishing (ISO 3795) within 60 seconds 3.7.13 Hose Identification The colored tracer cord in the reinforcement of the hose may be used for source identific
18、ation. The color shall be determined between Purchasing and the supplier. The word gas/fuel and the coding described below shall appear on the outer cover of the hose in contrasting color and repeated at intervals of 60 mm or less. Mandrel cured hose may be coded once per part. The following format
19、is recommended: a) Supplier identification code. b) Date of manufacture (week, year) and plant designation if supplier has more than one plant producing hoses to this specification. No space between letters. Mandatory on hoses longer than 80 mm only. c) Ford trademark on hoses longer than 150 mm. d)
20、 All of the above printing shall be clearly and legibly printed letters of 4.5 - 6 mm in height and width. When hose is less than 80 mm long, width of letters may be reduced to 3 mm. The following code format is recommended, but not mandatory: G 2 01 Where: G = Plant Designation ENGINEERING MATERIAL
21、 SPECIFICATION WSL-M96D33-A Copyright 2016, Ford Global Technologies, LLC Page 4 of 5 2 = Year (single digit) 01 = Week (2-digit number) 3.8 PERFORMANCE CRITERIA REPORT ONLY Materials approved to this specification must also be approved to the fuel system polymeric materials performance standard: WS
22、S-M98P14-A2 Tube Cover 3.8.1 Hardness International Report Report (ISO 48/ASTM D1415, micro) 3.8.2 Original Breaking Strength and elongation at Break (Entire Hose Construction, 50 mm/minute) Test Method: Record the I.D. and O.D. of a 150 mm straight length of hose and clamp the hose on suitable fitt
23、ings in a tensile testing machine to prevent pull-off. Apply gage marks or extensometers to the hose to measure elongation. Apply a load at a rate of 50 mm/minute until the hose ruptures. Record the force to break the hose and the elongation of the hose at break. Calculate the hose breaking strength
24、 by dividing the breaking force by the annular cross-sectional area of the hose wall. Median values are to be used for reported values 3.8.2.1 Breaking Strength, MPa Report 3.8.2.2 Elongation at Break, % Report 4. GENERAL INFORMATION The information given below is provided for clarification and assi
25、stance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 GENERIC IDENTIFICATION AND MARKING OF ELASTOMERIC PRODUCTS Report (ISO 1043/11469) 4.2 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first
26、 obtain an expression of interest from Purchasing, Design or Product Development, and Materials Engineering. 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 t
27、he requirements of the Material Specification. Tested material samples must be available for review upon request and kept for a minimum of one year. Upon request, the supplier will review the associated quality control documents (Process Failure Mode and Effects Analysis, Control Plans, Certificatio
28、n testing) with Ford. 4.3 SUPPLIERS ONGOING RESPONSIBILITY All materials 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, whether or not such changes affect the materials ability to
29、meet the specification requirements, the supplier shall notify the affected Supplier Technical Assistance (STA), Purchasing, and Materials Engineering activities of the proposed changes (with reasons) by submission of a completed Suppliers Request for Engineering Approval, SREA. ENGINEERING MATERIAL
30、 SPECIFICATION WSL-M96D33-A Copyright 2016, Ford Global Technologies, LLC Page 5 of 5 For parts and components using Ford Engineering Material Specifications, all samples tested to the specifications for Design Verification (DV), Production Verification (PV) and Production Part Approval Process (PPA
31、P) sign off must be kept until Job 1. 4.4 RESTRICTED SUBSTANCE MANAGEMENT STANDARD Substance restrictions imposed by regulations or Company direction applies to the materials addressed by this document. The restrictions are identified in the Restricted Substance Management Standard WSS-M99P9999-A1 w
32、hich is updated yearly. It is the suppliers responsibility to comply with this standard on a continuing basis through IMDS and or GMAP reporting. 5. SUMMARY OF REVISIONS 2016 11 23 Removed WSS-M99P1111-A and added those requirements directly to this specification. Para 3.4 Added initial qualificatio
33、ns Para 2.1 Added limitations Para 3.6 Added additional requirements Para 3.8 Added performance criteria report only Para 3.8.2 added original breaking strength and elongation at break Para 4.1 Added Generic identification and marking of elastomeric plastic products Para 5. Added Summary of revision
34、s and renumbered Added WSS-M98P14-A2 and removed tests already present in WSS-M98P14-A2 The following paragraphs are covered by WSS-M98P14-A2 Removed heat aged (1000 hours), previous para.3.8 Removed immersion in fuel C, previous para.3.9 Removed immersion in 85% fuel C + 15% methanol, previous para.3.10 Removed fuel permeability resistance, previous para.3.11 Removed fuel permeability, previous para.3.12 Removed cold flexibility, previous para.3.13 Removed adhesion, previous para.320 Removed installation effort - ES requirement, previous para.3.22
