FORD ESD-M8G191-A-2012 GASKET ARAMID FIBRE - NITRILE RUBBER BINDER TO BE USED WITH FORD WSS-M99P1111-A .pdf
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1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Release No. Release/Revision Rev 02 2012 05 08 N Status No usage or replacement N. Benipal, NA 1989 07 31 B/031526TC Retyped minor changes, was 7 sheets 1985 09 24 SM/ER2708TC Released Page 1 of 4 GASKET, ARAMID FIBRE - NITR
2、ILE RUBBER BINDER ESD-M8G191-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE: The material defined by this specification is a gasket formed from aramid fibres bonded with nitrile rubber. 2. APPLICATION: This specification was released originally for material suitable for moderate to high flange pressures,
3、- 50 MPa max, and for high temperatures, - 250 C max. Its suitability for use with particular fluids such as methanol containing fuel and coolant solutions should be confirmed by the particular Component Engineering area as the gasket may be affected by contact with these media. 3. REQUIREMENTS: The
4、 requirements of this specification are valid for gaskets of 0,4 to 0,8 mm thickness. The machine direction should be clearly marked on all test sheets. 3.1 COMPRESSIBILITY % 10 - 25 ASTM F36; Procedure A 3.2 RECOVERY %, min 50 ASTM F36; Procedure A 3.3 TENSILE STRENGTH MPa, min ASTM F152; condition
5、 as Type 1; Procedure A; specimen ASTM D412 die A; 23 +/- 2 C. 3.3.1 With machine direction, 18 3.3.2 Across machine direction, 15 3.4 HEAT AGEING TEST METHOD Condition material according to ASTM F152 type 1 material. Specimens for the various tests should be placed between steel plates of 150 x 150
6、 x 13 mm and then aged in an oven for 22 h at 150 +/- 2 C. The specimens are removed and allowed to cool to 23 +/- 2 C in a dessicator before conducting the following tests:- ENGINEERING MATERIAL SPECIFICATION ESD-M8G191-A Page 2 of 4 3.4.1 Compressibility %, max 25 3.4.2 Recovery %, min 50 3.4.3 Te
7、nsile Strength MPa, min 3.4.3.1 WMD, 18 3.4.3.2 AMD, 15 3.4.4 Weight Change %, max +/- 2 Sample 25 x 50 mm 3.5 IMMERSION IN ASTM OIL NO. 1 ASTM F146; material type 1; 22 h; 150 +/- 2 C 3.5.1 Compressibility % 10 - 25 3.5.2 Recovery %, min 50 3.5.3 Tensile Strength, MPa, min 3.5.3.1 WMD, 17 3.5.3.2 A
8、MD, 12 3.5.4 Weight Change %, max 30 3.5.5 Thickness Change % 0 - 10 3.6 IMMERSION IN ASTM OIL NO. 3 ASTM F146; material type 1; 22 h; 150 +/- 2 C 3.6.1 Compressibility, % 13 - 28 3.6.2 Recovery %, min 55 3.6.3 Tensile Strength MPa, min 3.6.3.1 WMD, 10 3.6.3.2 AMD, 7 3.6.4 Weight Change %, max 35 3.
9、6.5 Thickness Change % 0 - 10 ENGINEERING MATERIAL SPECIFICATION ESD-M8G191-A Page 3 of 4 3.7 COMPRESSION SET %, max 20 ASTM D395; Method A; 22 h; 150 +/- 2 C condition as ASTM F146 type 1 material. NOTE: Thickness measurement according to technique in ASTM F36 foot diameter 12,8 mm total load on fo
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