1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2014 10 16 N Status No replacement named L. Sinclair, NA 1978 10 17 Metricated ,Renumbered & Retyped #CE3H-RD782440E 1969 08 22 Released CE3Y-DR 604911 Page 1 of 1 SEALER, TETRAFLUOROETHYLENE TAPE - THREADED
2、 JOINTS ESE-M4G168-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE: The material defined by this specification is a virgin tetrafluroethylene tape. 2. APPLICATION: This specification was released originally for material used as a threaded joint sealer for gas and liquids under vacuum or pressure and temper
3、atures ranging from subzero to 260 C. 3. REQUIREMENTS: 3.1 VIRGIN TETRAFLUOROETHYLENE, min 99% 3.2 TENSILE STRENGTH, min 1,000 psi (6.9 MPa) (ASTM D 1000) Elongation, min 75% 3.3 THICKNESS 0.0030 - 0.0035 in (76 - 89m) 3.4 WIDTH As specified on engineering drawing 3.5 SUPPLIERS RESPONSIBILITY Materi
4、al 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 OF SUPPLIERS: Suppliers to this specification must be approved by the affected product e
5、ngineering 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. 5. GENERAL INFORMATION: This information is for direction of the user and is not a requirement for the supplier. To apply, place end of tape on male thread and draw around thread tightly so that tape conforms to the threaded surface. Overlap and press firmly so tape will hold in position. Assemble in usual fashion and tighten.
