FORD WSS-M96D33-A15-2017 HOSE NON-REINFORCED RUBBER FUEL ALCOHOL RESISTANT LOW PERMEATING NON CONDUCTIVE ETFE TUBE AEM COVER TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 00 2017 02 27 Released A. Reaume/G.Kowalski, NA Controlled document at www.MATS Copyright 2017, Ford ; Global Technologies, LLC Page 1 of 5 HOSE, NON-REINFORCED RUBBER, FUEL/ALCOHOL RESISTANT, WSS-M96D33-A15 LOW PERMEATING, NON CONDUCTIV

2、E ETFE TUBE/AEM COVER 1. SCOPE This specification defines a non-conductive, non-reinforced synthetic rubber hose for use as fuel vapor hose. For conductive applications with similar hose constructions see WSS-M96D33-A7. 2. APPLICATION This specification was released originally used in the vapor mana

3、gement system. 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification 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

4、located within Ford at or available externally through a Ford Materials 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

5、material should occur in the conditioning environment or soon after 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 m

6、aterial supplier shall ensure that all future material supplied 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 init

7、ial qualification processes that include evaluating materials and constructions according to the applicable Fuel System Design Specification (SDS) and individual Design Verification Methods (DVM). 3.5 LIMITATIONS Vapor lines can be either conductive or non-conductive. Liquid caring lines must be con

8、ductive. 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. 3.6 HOSE CONSTRUCTION The hose shall consist of a smooth bore ETFE (ethylene tetrafluoro-ethylene) inner veneer, a

9、cting as a fuel barrier and an outer cover of ethylene/acrylic rubber. ENGINEERING MATERIAL SPECIFICATION WSS-M96D33-A15 Copyright 2017, Ford Global Technologies, LLC Page 2 of 5 3.7 ADDITIONAL REQUIREMENTS Requirements beyond those explicitly stated in this document and the material specification m

10、ay be specified on the Engineering drawing, Engineering specification (ES), performance specification, System Design Specification (SDS) and/or Attribute Requirement List (ARL). 3.8 PERFORMANCE CRITERIA Materials approved to this specification must also be approved to the fuel system polymeric mater

11、ials performance standard: WSS-M98P14-A2 Veneer/Barrier Cover 3.8.1 Hardness Durometer A N/R 60 70 (ISO 868/ASTM D2240 Instantaneous, plied up Specimen. Hand held Durometers shall not be used) 3.8.2 Tensile Strength, MPa min 30.0 10.0 (ISO 37/ASTM D412, Die C) 3.8.3 Elongation at Break, % min 250 20

12、0 (ISO 37/ASTM D412, Die C) 3.8.4 Modulus at 100%, MPa min 20.0 3.0 Elongation ISO 37/ASTM D412, Die C) 3.8.5 Heat Aged (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 168 h at 125 C) 3.8.5.1 Hardness Change N/R +15 max 3.8.5.2 Tensile Strength Change N/R +5 %, max 3.8.5.3 Elongation Change N/R -30 %

13、, max Complete Construction 3.8.6 Burst Pressure (ASTM D380) Hose Size, (Approximate I.D.) Below 9.53 mm 1.02 MPa min 9.53 15.87 mm 0.68 MPa min 15.87 mm and larger 0.34 MPa min 3.8.7 Compression Set 75 % max (FLTM BP 108-6, 70 h at 100 C, 25% compression) ENGINEERING MATERIAL SPECIFICATION WSS-M96D

14、33-A15 Copyright 2017, Ford Global Technologies, LLC Page 3 of 5 3.8.8 Vacuum Collapse (SAE J30R11) Test Method: For straight hose, a 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

15、 shall decrease by more than 20 % during the application of vacuum for a minimum of 15 seconds and not more than 60 seconds. Hose sizes as listed below shall be subjected to the corresponding vacuum pressure: Complete Construction Nominal hose ID 44.5 mm 10 kPa 20 % max 3.8.9 Ovality 75 % min (Not a

16、pplicable to hoses with I.D. greater than 16.28 mm, unless otherwise specified on engineering drawing) I.D. minimum Ovality = _ x 100 I.D. maximum 3.8.10 Resistance to Kinking Ball must pass freely (SAE J30, para 6.20) 3.8.11 Flammability Resistance, Cover Stock Only Self- extinguishing (ISO 3795) w

17、ithin 60 seconds 3.8.12 Hose Identification The colored tracer cord in the reinforcement of the hose may be used for source identification. 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

18、in contrasting color and repeated at intervals of 60 mm or less. Mandrel cured hose may be coded once per part. The following format 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

19、specification. No space between letters. Mandatory on hoses longer than 80 mm only. c) Ford trademark on hoses longer than 150 mm. d) 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 r

20、educed to 3 mm. The following code format is recommended, but not mandatory: G 2 01 Where: G = Plant Designation 2 = Year (single digit) 01 = Week (2-digit number) ENGINEERING MATERIAL SPECIFICATION WSS-M96D33-A15 Copyright 2017, Ford Global Technologies, LLC Page 4 of 5 3.9 PERFORMANCE CRITERIA REP

21、ORT ONLY Materials approved to this specification must also be approved to the fuel system polymeric materials performance standard: WSS-M98P14-A2 Veneer/Barrier Cover 3.9.1 Hardness International N/R Report (ISO 48/ASTM D1415, micro) 3.9.2 Original Breaking Strength and elongation at Break (Entire

22、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 fittings 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/mi

23、nute until the hose ruptures. Record the force to break the hose and the elongation of the hose at break. Calculate the hose breaking strength by dividing the breaking force by the annular cross-sectional area of the hose wall. Median values are to be used for reported values 3.9.2.1 Breaking Streng

24、th Report, MPa 3.9.2.2 Elongation at Break Report, % 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 GENERIC IDENTIFICATION AN

25、D MARKING OF ELASTOMERIC PRODUCTS (ISO 1043/11469) ETFE/AEM 4.1 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first obtain an expression of interest from Purchasing, Design or Product Development, and Materials Engineering. The supplier shall submit a completed copy of t

26、heir laboratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requirements of the Material Specification. Tested material samples must be available for review upon request and kept for a minimum of one year. Upon re

27、quest, the supplier will review the associated quality control documents (Process Failure Mode and Effects Analysis, Control Plans, Certification testing) with Ford. 4.2 SUPPLIERS ONGOING RESPONSIBILITY All materials must be equivalent in all characteristics to the material upon which approval was o

28、riginally granted. Prior to making any changes to the material originally approved, whether or not such changes affect the materials ability to meet the specification requirements, the supplier shall notify the affected Supplier Technical Assistance (STA), Purchasing, and Materials Engineering activ

29、ities of the proposed changes (with reasons) by submission of a completed Suppliers Request for Engineering Approval, SREA. ENGINEERING MATERIAL SPECIFICATION WSS-M96D33-A15 Copyright 2017, Ford Global Technologies, LLC Page 5 of 5 For parts and components using Ford Engineering Material Specificati

30、ons, all samples tested to the specifications for Design Verification (DV), Production Verification (PV) and Production Part Approval Process (PPAP) sign off must be kept until Job 1. 4.3 RESTRICTED SUBSTANCE MANAGEMENT STANDARD Substance restrictions imposed by regulations or Company direction appl

31、ies to the materials addressed by this document. The restrictions are identified in the Restricted Substance Management Standard WSS-M99P9999-A1 which 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