1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions Rev 02 2012 04 12 N Status No usage or replacement N. Benipal, NA 1979 11 28 Metricated, Renumbered & Retyped # CE3H-RD78244-0E 1963 07 23 Released TS3-57 Page 1 of 3 GASKET, CELLULOSE FIBER/NITRILE BUTADIEN
2、E RUBBER ESE-M8G14-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE: The material defined by this specification is a cellulose fiber, nitrile butadiene rubber impregnated gasket material. 2. APPLICATION: This specification was released originally for material used as an oil pump to block gasket. 3. REQUIREM
3、ENTS: All tests shall be conducted in accordance with ASTM F 104, unless otherwise specified. 3.1 COMPRESSIBILITY 16 - 26 % (ASTM F 36, Procedure “G“) Recovery, min 45 % 3.2 TENSILE STRENGTH, min With grain 6000 psi (41.4 MPa) Across grain 3000 psi (20.7 MPa) 3.3 IMMERSION IN LIQUIDS (22 h at 23 +/-
4、 2 C) Immersion Thickness Weight Fluid Change, max Change, max ASTM Oil #3 8 % 25 % ASTM Reference Fuel “B“ 20 % 35 % Distilled Water 25 % 30 % 3.4 COMPRESSION SET, max 25 % (ASTM D 395, Method “A“, 22 h at 70 +/- 1 C) The material can be plied to obtain the proper test thickness if necessary. ENGIN
5、EERING MATERIAL SPECIFICATION ESE-M8G14-A Page 2 of 3 3.5 SUPPLIERS RESPONSIBILITY Material supplied to this specification 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
6、 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.
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