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 1980 10 21 Metricated, Renumbered & Retyped CE3J-Rd782440-E-36 1965 02 10 Released E7-3256 Page 1 of 2 GASKET, CELLULOSE FIBER/CORK/SBR BIN
2、DER ESE-M8G103-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE: The material defined by this specification is a gasket made with cellulose fiber, cork and styrene butadiene rubber binder. 2. APPLICATION: This specification was released originally for material used for water pump cover gaskets. 3. REQUIREME
3、NTS: The finished gaskets shall meet the requirements of this specification. These requirements are for the nominal thicknesses of 1/64 in (0.4 mm), 1/32 in (0.8 mm), 3/64 (1.2 mm) and 1/16 in (1.6 mm). All tests shall be conducted in accordance with ASTM F 104, Type 3 material, unless otherwise spe
4、cified. Specimens are to be selected from finished gaskets when practicable. 3.1 COMPRESSIBILITY 30 - 45 % (ASTM F 36) Recovery, min 30 % 3.2 TENSILE STRENGTH, min 700 psi (4.8 MPa) 3.3 IMMERSION IN LIQUIDS Thickness Weight Immersion Fluid Test Conditions Change, max Change, max ASTM Fuel “B“ 22 h a
5、t 23 +/- 2 C 35 % 100 % ASTM Oil No. 3 22 h at 23 +/- 2 C 30 % 105 % Distilled Water 22 h at 23 +/- 2 C 30 % 70 % Distilled Water 5 h at boiling 30 % 145 % Ethylene Glycol 5 h at 121 +/- 3 C 40 % 135 % and Water - 50/50 After immersion in above fluids, as specified, the material shall show no signs
6、of decomposition. 3.4 DENSITY, min 38 lb/ft3 (609 kg/m3) ENGINEERING MATERIAL SPECIFICATION ESE-M8G103-A Page 2 of 2 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 pri
7、or 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.
