1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 07 22 N-STATUS Replaced by WSS-M4D993-A or WSK-M4D664-A2 Y. Bankowski, NA2005 01 10 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 & 4 1964 03 12 Released AT1-1091 Printed copies are uncontrolled Copyright 2009, Ford Global Technol
2、ogies, LLC Page 1 of 2 NYLON, GLASS FIBER REINFORCED ESB-M4D133-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a nylon reinforced with fiberglass. 2. APPLICATION This specification was released originally for materials used for molding retainers and other appl
3、ications where high heat resistance is required. NOTICE: This material absorbs and retains moisture. Part design and tolerances must accommodate changes in part dimensions and physical properties due to moisture absorption or loss in the service/assembly environment. Information on this material wit
4、h respect to moisture should be obtained from the responsible PEO Materials Engineering Department. 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). 3
5、.4 MOLDING COMPOUND 3.4.1 Fiberglass Content, by weight, min 30.0% 3.4.2 Melting Point, min 213 C (FLTM BO 21-2) 3.4.3 Specific Gravity 1.32 - 1.38 (ASTM D 792) 3.5 MOLDED TEST SPECIMEN 3.5.1 Specific Gravity 1.32 - 1.38 (ASTM D 792) 3.5.2 Impact Strength, Izod, min (ASTM D 256, 23 +/- 2 C, 12.7 x 1
6、2.7 mm samples) Notched 107 J/m Unnotched 454 J/m ENGINEERING MATERIAL SPECIFICATIONESB-M4D133-APrinted copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.5.3 Tensile Strength, min 125 MPa (ASTM D 638, 23 +/- 2 C) Elongation at Break, min 1.5% 3.5.4 Deflection Temper
7、ature, min (ASTM D 648) At 455 kPa 213 C At 1820 kPa 199 C 3.5.5 Flexural Modulus, min 6.2 GPa (ASTM D 790) 3.5.6 Flexural Strength, min 173 MPa (ASTM D 790) 3.5.7 Water Absorption, max 1.45% (ASTM D 570, 24 h) 3.6 MOLDED PARTS 3.6.1 Parts molded of this material shall be free from visible porosity
8、and voids. 3.6.2 Specific Gravity 1.32 - 1.38 (ASTM D 792) 3.6.3 Melting Point, min 213 C (FLTM BO 21-2) 3.6.4 Hardness - Rockwell “M“ 95 - 115 3.6.5 Water Absorption, max 1.45% (ASTM D 570, 24 h) 3.6.6 Physical Properties Specific requirements for additional physical properties of molded or extruded parts, when required, shall be specified on the engineering drawings and/or engineering specification.
