1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 02 2016 11 23 Revised See summary of revisions A. Reaume/G. Kowalski, NA 2006 08 31 Revised Inserted 3.0; Deleted 3.1,3.2,3.3,3.25 Global Technologies, LLC Page 1 of 5 HOSE, REINFORCED RUBBER, FUEL/ALCOHOL RESISTANT WSA-M96D33-A2 NON-CON
2、DUCTIVE, LOW PERMEATING FKM/ECO/Barrier/ECO44.5 mm 10 kPa 20 % max Complete Construction 3.7.9 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.D. maximum 3.7.10 Resistance to Kinking Ball must
3、 pass freely (SAE J30, para 6.5.11) 3.7.11 Flammability Resistance, Cover Stock Only Self- extinguishing (ISO 3795) within 60 seconds 3.7.12 Hose Identification The colored tracer cord in the reinforcement of the hose may be used for source identification. The color shall be determined between Purch
4、asing 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 is recommended: a) Supplier identification code. b
5、) 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) All of the above printing shall be clearly and le
6、gibly 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: ENGINEERING MATERIAL SPECIFICATION WSA-M96D33-A2 Copyright 2016, Ford Global Technologies, L
7、LC Page 4 of 5 G = Plant Designation 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: WSS-M98P14-A2 3.8.1 Hardness International Report f
8、or (ISO 48/ASTM D1415, micro) Veneer, Tube, Cover 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 fittings in a tensile testing machine to preven
9、t 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 by dividing the breaking force by the annu
10、lar 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 assistance in meeting the requirements of this
11、specification. Contact for questions concerning Engineering Material Specifications. 4.1 GENERIC IDENTIFICATION AND MARKING OF ELASTOMERIC PRODUCTS (ISO 1043/11469) FKM/ECO/Barrier/ECOFKM/ECO/Barrier/ECO to the title Removed WSS-M99P1111-A and added those requirements directly into this specificati
12、on Para 3.4 Added initial qualifications 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 products Par
13、a 5. Added Summary of revisions 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 75% fuel C
14、 25% methanol, Previous para 3.10 Removed cold flexibility, Previous para 3.13 High temperature resistance, Previous para 3.14 Removed ozone resistance, cover, Previous para 3.15 Removed fuel permeability resistance, Previous para 3.18 Removed adhesion, Previous para 3.20 Removed installation effort - ES requirement, Previous para 3.22 Removed hose elongation, Previous para 3.23
