1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2008 02 29 N-STATUS All 3 specs replaced by WSS-M4D955-A G. Kowalski 2005 01 13 Revised Inserted 3.0; Deleted 3.1, 3.3.7, 3.5, 3.6, 3.7 SB-M4D151, 152, 153-A Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 1
2、of 3 POLYETHYLENE MOLDING COMPOUND ESB-M4D151-A ESB-M4D152-A ESB-M4D153-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are polyethylene molding compounds (injection and extrusion grade) of varying densities. 2. APPLICATION These specifications were released or
3、iginally for materials used to manufacture headlamp housing molding retainer stud anchors, escutcheon pads, electrical insulating sockets, louver retainers in air conditioning register assemblies and door lock knobs. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material supplie
4、rs and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 RAW MATERIAL (Resin) 151 152 153 3.2.1 Density, g/cm3(ASTM D 792) Pigmented 0.911-0.928 0.915-0.935 0.926-0.950 Nonpigmented 0.911-0.918 0.915-0.925 0.920-0.950 3.2.2 Flow Rate, g/
5、10 min (ASTM D 1238) Injection Grade 1.5 - 3.5 2.0 - 4.5 1.0 - 4.0 Extrusion Grade 0.2 - 1.2 0.8 - 1.9 0.4 - 1.8 3.2.3 Tensile Strength at Max Load, MPa, min 9 10.4 12.4 (ASTM D 638, 50 mm/min test speed) Elongation, % min 400 400 400 ENGINEERING MATERIAL SPECIFICATIONESB-M4D151-A ESB-M4D152-A ESB-M
6、4D153-APrinted copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 3 3.3 MOLDED PART 3.3.1 Color As specified on engineering drawings per styling suffix release. 3.3.2 Density, g/cm3, min 0.901 0.909 0.916 (ASTM D 792) 3.3.3 Flow Rate, g/10 min (ASTM D 1238) Injection Gra
7、de 1.5 - 3.5 2.0 - 4.5 1.0 - 4.0 Extrusion Grade 0.2 - 1.2 0.8 - 1.9 0.6 - 1.8 3.3.4 Tensile Strength at Max Load, MPa, min 9 10.4 12.4 (ASTM D 638, 50 mm/min test speed) Elongation, % min 400 400 400 3.3.5 Hardness - Durometer D 40 - 50 40 - 55 50 - 60 (ASTM D 2240) 3.3.6 Thermocycling Exposure No
8、evidence of cracking, crazing or warping Test Method: The molded parts shall be tested as installed in the assembly as follows: . h at 70 +/- 1 C . h at -40 +/- 1 C . h at 23 +/- 2 C 3.3.8 Color Stability No color change after 200 h in (FLTM BO 115-01) the sunlamp cabinet. 3.4 ESB-M4D151, 152, & 153
9、-A FLAMMABILITY, max 101 mm/minute (FLTM BN 024-02, without the lot sampling plan) In addition, the test specimen shall not exhibit any flashing or sudden flaming on either surface in excess of the above maximum value. ENGINEERING MATERIAL SPECIFICATIONESB-M4D151-A ESB-M4D152-A ESB-M4D153-APrinted c
10、opies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 3 of 3 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 MAXIMUM SERVICE TEMPERATURE AT ZERO LOAD ESB-M4D151-A 96 C ESB-M4D152-A 100 C ESB-M4D153-A 104 C 5.2 VICAT SOFTENING POINT (ASTM D 1525) ESB-M4D151-A 79 - 93 C ESB-M4D152-A 88 - 104 C ESB-M4D153-A 99 - 116 C 5.3 STIFFNESS (ESB-M4D153-A, Extrusion Grade) 359 MPa (ASTM D 747)
