1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 07 22 N-STATUS No Replacement Named Y. Bankowski, NA 2005 01 06 Revised Inserted 3.0; Deleted 3.4, 3.5 & 4 1963 06 24 Released F6-1069 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 1 TETRAFLUOROET
2、HYLENE ESF-M4D27-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is tetrafluoroethylene. 2. APPLICATION This specification was released originally for material used for small bushings in carburetor components. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTI
3、ON MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 SPECIFIC GRAVITY 2.1 - 2.2 (ASTM D 792) 3.2 TENSILE STRENGTH, min 1500 psi (10.3 MPa) (ASTM D 638) Elongation, min 150% 3.3 WATER ABSORPTION, max 0.01%
4、 (ASTM D 570, 24 h immersion) 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 SAFETY When heated over 232 C, this product will begin to decompose to a degree that will produce measurable quantities of toxic gases.