1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 09 10 N-STATUS Replaced by WSS-M4D1051-A1, WSS-M4D1052-A2, WSS-M4D1053-A1, WSS-M4D1053-A2 L. Soreide, NA 2005 01 07 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.4, 3.5 & 4 1978 03 09 Released AJ1-6000-153 Printed copies are uncontrolled Copy
2、right 2010, Ford Global Technologies, LLC Page 1 of 3 POLYCARBONATE (PC), LOW TEMPERATURE IMPACT RESISTANT ESB-M4D100-C1 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a polycarbonate resin with improved low temperature impact resistance. 2. APPLICATION This spe
3、cification was released originally for material used for instrument panels. 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). 3.3 PROPERTIES 3.3.1 Spec
4、ific Gravity 1.18 - 1.22 (ASTM D 792) 3.3.2 Tensile Strength at Yield, min 52 MPa (ASTM D 638) 3.3.3 Elongation at Break, min 80% (ASTM D 638) 3.3.4 Flexural Modulus, min 1.9 GPa (ASTM D 790) 3.3.5 Flexural Strength, min 72 MPa (ASTM D 790) 3.3.6 Impact Strength, Izod, min (ASTM D 256, 6.4 x 12.7 mm
5、 mandatory size, except use solid samples for unnotched test) Unnotched No break Notched 374 J/m ENGINEERING MATERIAL SPECIFICATIONESB-M4D100-C1Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 3 3.3.7 Low Temperature Impact At -29 C Must pass 40 J impact Test M
6、ethod: Specimens shall be conditioned at -29 C for 5 h minimum and subjected to 40 J impact within 5 s after removal from the cold chamber. A Gardner Impact Tester, equipped with a 12.7 mm impact head and a 51 mm diameter base, shall be used for the test. A pass shall be defined as a slight tear, le
7、ss than 12.7 mm, or no tear on the reverse side of the impact specimen. Any specimen which cracks more than 12.7 mm shall be defined as a failure. 3.3.8 Heat Deflection Temperature, min (ASTM D 648) At 0.45 MPa 132 C At 1.82 MPa 121 C 3.3.9 Molded Parts Specific requirements for physical properties
8、of molded parts, when required, shall be specified on the engineering drawings or the engineering specification. 3.3.10 Fade (unpainted, color pigmented only) (FLTM BN 001-01) The material shall not stain, exhibit color tone change or change in hue, in accordance with rating 5 of the AATCC chart for
9、 measuring transference of color after 120 SFH exposure. Production material shall exhibit lightfastness qualities equal to or better than the master sample approved by the Body Materials Engineering Department. 3.3.11 Flammability, max 100 mm/minute (FLTM BN 024-02, without the Self-extinguishing (
10、SE) 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. 3.3.12 Paintability When painted, for interior use, the part shall conform to the requirements of ESB-M2P83-A. 5. GENERAL INFORMATION The inf
11、ormation given below is provided for clarification and assistance in meeting the requirements of this specification. ENGINEERING MATERIAL SPECIFICATIONESB-M4D100-C1Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 3 5.1 COEFFICIENT OF THERMAL EXPANSION 6.1-5/C 5
12、.2 MOLD SHRINKAGE 0.4 - 0.7% 5.3 The following is a list of recommended cleaning agents: Mild soap and water solutions Mineral spirits White kerosene VM & P naptha Heptane Hexane Varsol No. 2 Methyl (e), isopropyl and butyl alcohols 1 and 3 denatured alcohols Freon TF and TE Petroleum ether (65 C boiling point) The following chemical agents should not be used: Halogenated hydrocarbons Aromatic hydrocarbons Ketons and aldehydes Esters Amines
