FORD ESA-M8G25-A-2012 GASKET CORK NEOPRENE TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Para No. Revisions Rev 2 2012 04 12 N Status No usage or replacement N. Benipal, NA 1979 01 10 Metricated, Renumbered & Retyped CAH2-823385 1963 07 25 Released AS2-348 Page 1 of 2 GASKET, CORK/NEOPRENE ESA-M8G25-A NOT TO BE

2、USED FOR NEW DESIGN 1. SCOPE: The material defined by this specification is a granulated cork, neoprene rubber bonded gasket material. 2. APPLICATION: This specification was released originally for material used as gaskets for suspension ball joints. 3. REQUIREMENTS: All tests shall be conducted in

3、accordance with ASTM F 104, Type 2, except as indicated. 3.1 COMPRESSIBILITY 25 - 35 % (ASTM F 36, 400 psi (2.8 MPa) load) Recovery, min 80 % 3.2 TENSILE STRENGTH, min 250 psi (1.7 MPa) 3.3 FLEXIBILITY FACTOR, “F“ (ASTM F 147) Original 12 Oven Aged 16 (70 h at 100 C) Oil Aged 16 (70 h at 100 C in AS

4、TM Oil No. 1) 3.4 IMMERSION IN LIQUIDS Immersion Fluid Test Conditions Thickness Change ASTM Oil No. 1 70 h at 100 C 0 to + 5 % ASTM Oil No. 3 70 h at 100 C + 5 to + 20 % ASTM Reference Fuel “A“ 22 h at 23 +/- 2 C 0 to + 10 % ASTM Reference Fuel “B“ 22 h at 23 +/- 2 C + 15 to + 25 % 3.5 COMPRESSION

5、SET, max 40 % (ASTM D 395, Method “A“, 22 h at 70 +/- 1 C) 3.6 GLUED JOINTS The requirements of the specification will apply to sections of the material with glued joints. ENGINEERING MATERIAL SPECIFICATION ESA-M8G25-A Page 2 of 2 3.7 SUPPLIERS RESPONSIBILITY Material supplied to this specification

6、must be equivalent to that originally approved. Changes in formulation or processing shall not be made without prior approval as described in Supplier Procedure I-A. 4. APPROVAL OF SUPPLIERS: Suppliers to this specification must be approved by the affected product engineering office. Procedure for gaining approval of a specific material to a new/existing ES-M specification is contained in Supplier Procedure I-A. Approved new suppliers will be added to the Engineering Materials Approved Source List.