1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Para No. Revisions Rev 01 2012 04 12 N Status No usage or replacement N. Benipal, NA 1979 03 29 Released CE3H-RD782440-E Supp 23 Page 1 of 1 GASKET, CELLULOSE FIBERS - POLYURETHANE COATED ESE-M8G104-B NOT TO BE USED FOR NEW
2、DESIGN 1. SCOPE: The material defined by this specification consists of cellulose fibers coated on both sides with polyurethane. 2. APPLICATION: This specification was released originally for material used as an oil pump inlet tube flange gasket. 3. REQUIREMENTS: All tests shall be conducted in acco
3、rdance with ASTM F 104, Type 3 materials, unless otherwise specified. 3.1 COMPRESSIBILITY 6 - 16% Recovery, min 55% 3.2 TENSILE STRENGTH, min 4000 psi (27.6 MPa) 3.3 IMMERSION IN LIQUIDS (22 h at 23 +/- 2 C) Immersion Thickness Weight Fluid Change, max Change, max ASTM Fuel “B“ 10% 40% ASTM Oil No.
4、3 10% 40% 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 thickness if necessary. 3.5 SUPPLIERS RESPONSIBILITY Material supplied to this specification must be equivalent to that originally approved. Changes in formulation or proc
5、essing 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.