1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 07 22 N-STATUS No Replacement Named Y. Bankowski, NA 2005 01 05 Revised Inserted 3.0; Deleted 3.4 & 4 1963 08 02 Released AS1-1011 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 2 ACETATE - BUTYRAT
2、E MOLDING COMPOUND ESB-M4D4-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an acetate butyrate molding compound. 2. APPLICATION This specification was released originally for material used in decorative and/or functional parts for automotive interiors such as
3、instrument panel gear shift and turn signal handle knobs, headliner retainer bows and steering wheels. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A)
4、. 3.1 MOLDING COMPOUND, range Soft Flow Medium Flow Hard Flow 3.1.1 Specific Gravity, max 1.21 1.21 1.22 (ASTM D 792) 3.1.2 Flow Temperature, C min 125 140 155 (ASTM D 569) 3.2 MOLDED TEST SPECIMEN 3.2.1 Specific Gravity, max 1.21 1.21 1.22 (ASTM D 792) 3.2.2 Flow Temperature, C min 125 140 155 (AST
5、M D 569) 3.2.3 Tensile Strength, psi (MPa), min 3000 4000 5500 (ASTM D 638) (20.7) (27.6) (37.9) Elongation, % min 50 45 40 3.2.4 Flexural Strength, 2500 4000 6600 psi (MPa), min (17.2) (27.6) (45.5) 3.2.5 Impact Strength, Izod, 5.5 (294) 3.5 (187) 2.2 (117) ft lb/in (J/m), min (ASTM D 256, notched)
6、 ENGINEERING MATERIAL SPECIFICATIONESB-M4D4-APrinted copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.2.6 Hardness - Rockwell “R“, min None 35 80 (ASTM D 785) 3.2.7 Deflection Temperature, C min (ASTM D 648) At 66 psi (455 kPa) 56 66 84 At 264 psi (1820 kPa) 48 54
7、69 3.2.8 Water Absorption, % max 1.5 1.8 2.4 (ASTM D 570, 24 h immersion) 3.3 MOLDED PARTS 3.3.1 Color The color of the finished part shall match the approved color master sample retained by the Body Materials Engineering Department or other test laboratories. 3.3.2 Color Stability, min 240 h contin
8、uous exposure (FLTM BO 115-01) The material shall fade no more than the master sample approved for production, on file in the Body Materials Engineering Department or other test laboratories. 3.3.3 Physical Properties Specific requirements for the physical properties of molded parts, when required,
9、shall be specified on the engineering drawings. 3.3.4 Flammability, max 12 in (304 mm)/min (SAE J 369) In addition, the test specimen shall not exhibit any flashing or sudden flaming on either surface in excess of the above maximum value. 5. GENERAL INFORMATION This information given below is provid
10、ed for clarification and assistance in meeting the requirements of this specification. 5.1 APPLICATION OF MATERIALS 5.1.1 Soft Flow Range Knobs, control buttons, and miscellaneous interior parts. 5.1.2 Medium Flow Range Instrument panel parts, arm rests, lenses and vacuum metallized parts. 5.1.3 Hard Flow Range Headliner bows and extruded visors.
