FORD ESE-M8G19-A-2012 GASKET CORK POLYMERIC BINDER 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 02 2012 04 12 N Status No usage or replacement N. Benipal, NA 1978 07 14 Metricated, Renumbered & Retyped CE3H-782440-E 1963 09 03 Released E7-2782 Page 1 of 2 GASKET, CORK/POLYMERIC BINDER ESE-M8G19-A

2、 NOT TO BE USED FOR NEW DESIGN 1. SCOPE: The material defined by this specification is a granulated cork and polymeric binder gasket. 2. APPLICATION: This specification was released originally for material used as gasket for oil pans, rocker arm covers, and valve push rod covers. 3. REQUIREMENTS: Al

3、l tests shall be conducted in accordance with ASTM F 104, unless otherwise specified. 3.1 COMPRESSIBILITY 25 - 45 % (ASTM F 36, 100 psi (690 kPa) load) Recovery, min 85 % 3.2 TENSILE STRENGTH, min 120 psi (830 kPa) 3.3 FLOTATION When exposed to the following conditions, the material shall show no si

4、gns of disintegration. . 3 h in boiling water . 2 h at 102 +/- 3 C in ASTM Oil No. 1 . 10 days at 23 +/- 2 C in ASTM Reference Fuel “A“ . 24 h at 23 +/- 2 C in Methyl Ethyl Ketone 3.4 FLEXIBILITY Before and after flotation, para 3.3, the material shall not break or separate when bent slowly 180 arou

5、nd a mandrel, the diameter of which shall be 5 times the thickness of the test specimen. The material shall be conditioned for 24 h at 23 +/- 2C and 50 +/- 2 % relative humidity prior to bending. 3.5 COMPRESSION SET, max 52 % (ASTM D 395, Method “A“, 22 h at 70 C 400 lb (1.8 kN) load) 3.6 GLUED JOIN

6、TS The requirements of this specification shall apply to sections of the material with glued joints. 3.6.1 Compressibility and Recovery ENGINEERING MATERIAL SPECIFICATION ESE-M8G19-A Page 2 of 2 Tests are to be conducted on specimens containing a glue line. Original properties must be maintained. 3.

7、6.2 Tensile Strength, same as para 3.2. 3.6.3 Flotation, same as para 3.3. 3.6.4 Flexibility Specimens containing a glue line shall bend without failure around a mandrel, having a diameter 5 times the thickness of sample, before and after flotation, para 3.3. 3.6.5 Compression Set, same as para 3.5.

8、 3.7 RELEASE AGENT When gaskets are coated as specified on engineering drawings, any release agent applied shall not affect assembly of coated gasket. 3.8 SUPPLIERS RESPONSIBILITY Material supplied to this specification must be equivalent to that originally approved. Changes in formulation or proces

9、sing 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.