1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2004 09 16 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.14 Corrected numbering in para 5 2002 03 28 Revised Rev para 3.1, 3.5.1, 3.6, 3.7, 3.8, 3.9, 3.10, 3.11, del para 3.6.1 & updated A. Reaume1993 07 19 Released NC00E10244447015 J. Spence
2、rPrinted copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 1 of 4 FLUOROSILICONE (FVMQ), OXYGENATED/OXIDIZED WSA-M2D401-A6 FUEL RESISTANT, LOW TEMPERATURE RESISTANT 1. SCOPE This specification defines a synthetic rubber material with good resistance to fuel/alcohol blends. T
3、he material has excellent low temperature properties and good resistance to compressive stress relaxation ensuring long-term sealability between -60 and 150 C. 2. APPLICATION This specification was released originally for the outer O-ring in the fuel system quick connect fitting. 3. REQUIREMENTS Mat
4、erial specification requirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 PHYSICAL PROPERTIES The f
5、ollowing tests where possible, shall be performed on specimens cut from molded test sheets manufactured from the same material and with equivalent cure to molded parts. The test sheets shall have the following dimensions: 150 x 150 mm, thickness 2.0 +/- 0.2 mm 3.5 ORIGINAL PROPERTIES 3.5.1 Hardness,
6、 International (parts only) 58 80 (ISO 48/ASTM D 1415, micro method) 3.5.2 Hardness, Durometer A 73 +/- 5 (ISO 868/ASTM D 2240, instantaneous, plied-up specimen. Hand held durometer shall not be used) 3.5.3 Tensile Strength, min 6.0 MPa (ISO 37/ASTM D 412, Die C) 3.5.4 Elongation at Break, min 125%
7、(ISO 37/ASTM D 412, Die C) ENGINEERING MATERIAL SPECIFICATIONWSA-M2D401-A6Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 2 of 4 3.5.5 Modulus at 100% Elongation, min 3.25 MPa (ISO 37/ASTM D 412, Die C) 3.5.6 Compression Set, max 55% (ASTM D 395, 70 h at 175 C) 3.5
8、.7 Tear Strength, min 12 kN/m (ISO 34, Method B, Procedure a/ ASTM D 624, Die C) 3.5.8 Ozone Resistance, max Rating 0 (FLTM BP 101-01, Procedure A) 3.5.9 Low Temperature Flexibility (ASTM D 1329) TR10 -57 3.6 HEAT AGED (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1,000 h at 175 +/- 2 C) 3.6.1 Tens
9、ile Strength Change, max -50% 3.6.2 Elongation at Break Change, max -50% 3.7 IMMERSION IN FUEL C (ISO 1817/ASTM D 471, 336 h at 60 +/- 2 C) 3.7.1 Hardness Change, max -25 3.7.2 Tensile Strength Change, max -50% 3.7.3 Elongation at Break Change, max -50% 3.7.4 Volume Change, max +30% 3.8 IMMERSION IN
10、 OXIDIZED FUEL (FLTM AZ 105-01, PN 180, 336 h at 60 +/- 2 C) 3.8.1 Hardness Change, max -30 3.8.2 Tensile Strength Change, max -70% 3.8.3 Elongation at Break Change, max -50% 3.8.4 Volume Change, max +40% ENGINEERING MATERIAL SPECIFICATIONWSA-M2D401-A6Printed copies are uncontrolled Copyright 2004,
11、Ford Global Technologies, LLC Page 3 of 4 3.9 IMMERSION IN 70% FUEL C AND 30% METHANOL (ISO 1871/ASTM D 471, 2,000 h at 60 +/- 2 C, fresh fuel every two weeks) 3.9.1 Hardness Change, max -35 3.9.2 Tensile Strength Change, max -70% 3.9.3 Elongation at Break Change, max -60% 3.9.4 Volume Change, max +
12、40% 3.10 IMMERSION IN 70% FUEL C AND 30% METHANOL (ISO 1871/ASTM D 471, 2,000 h at 60 +/- 2 C, followed by dry out/ASTM D 573, 48 h at 100 +/- 2 C, fresh fuel every two weeks) 3.10.1 Hardness Change, max +5 3.10.2 Tensile Strength Change, max -40% 3.10.3 Elongation at Break Change, max -20% 3.10.4 V
13、olume Change, max -5% 3.11 IMMERSION IN 15% FUEL C, 85% METHANOL (ISO 1871/ASTM D 471, 2,000 h at 60 +/- 2 C, fresh fuel every two weeks) 3.11.1 Hardness Change, max -25 3.11.2 Tensile Strength Change, max -80% 3.11.3 Elongation at Break Change, max -35% 3.11.4 Volume Change, max +15% 3.12 IMMERSION
14、 IN 15% FUEL C, 85% METHANOL (ISO 1871/ASTM D 471, 2,000 h at 60 +/- 2 C, followed by dry out/ASTM D 573, 48 h at 100 +/- 2 C, fresh fuel every two weeks) 3.12.1 Hardness Change, max +5 3.12.2 Tensile Strength Change, max -50% 3.12.3 Elongation at Break Change, max -20% 3.12.4 Volume Change, max -5%
15、 ENGINEERING MATERIAL SPECIFICATIONWSA-M2D401-A6Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 4 of 4 3.13 IMMERSION IN 60% FUEL C, 25% METHANOL AND 15% MTBE* (ISO 1871/ASTM D 471, 2,000 h at 60 +/- 2 C, fresh fuel every two weeks) 3.13.1 Hardness Change, max -50
16、3.13.2 Tensile Strength Change, max -75% 3.13.3 Elongation at Break Change, max -70% 3.13.4 Volume Change, max +50% *MTBE = Methyl Tertiary-Butyl Ether 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COMPRESSION STRESS RELAXATION (ISO 6056, at 150 C) Ft/Fo x 100, min % Retained of Original Value after: 24 h, 32 48 h, 30 96 h, 28 168 h, 26 336 h, 22 504 h, 21 672 h, 19 840 h, 17 1008 h, 13 5.2 RECYCLING CODE FVMQ
