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-RD782440-E 1963 09 10 Released E7-2794 Page 1 of 1 GASKET, FIBER/CORK-SBR BINDER ESE-M8G41
2、-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE: The material defined by this specification is a gasket made with fiber, cork and SBR rubber binder. 2. APPLICATION: This specification was released originally for material used for engine water pump cover gaskets. 3. REQUIREMENTS: All tests shall be conduct
3、ed in accordance with ASTM F 104, Type 3 materials, unless otherwise specified. 3.1 COMPRESSIBILITY 30 - 40% (ASTM F 36, 1000 psi (6.9 MPa) load) Recovery, min 34% 3.2 TENSILE STRENGTH, min 1200 psi (8.3 MPa) 3.3 IMMERSION IN LIQUIDS (22 H at 23 +/- 2 C) Thickness Weight Immersion Fluid Change, max
4、Change, max ASTM Oil No. 3 45% 100% ASTM Fuel “B“ 75% 125% Distilled Water 35% 40% 3.4 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 Suppli
5、er 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.
