1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2003 08 28 Revised Para 3.0 inserted; Para 3.5 deleted 1978 10 06 Metricated and retyped CAH1-RD572066-115 1963 09 20 Released AS1 #1095 Printed copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 1 of 1 METALLIZE PLAST
2、IC PARTS - SECOND SURFACE ESB-M5P4-A 1. SCOPE This specification defines the quality of vacuum deposited bright aluminum on the second surface of plastic parts. 2. APPLICATION This specification was released originally for material used on the inner surface of the auxiliary sleeve of tail lamp lens
3、assemblies. 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). 3.1 EXPOSURE RESISTANCE OF ASSEMBLY After exposure to the cycling outlined in the test me
4、thods below, the plastic shall not craze, crack, nor check, and the vacuum metallized coating shall not blister, discolor, nor develop haziness. In addition, there shall be no loss of adhesion between the plastic and the coating when checked after the cold box exposure during any of the cycles. 3.1.
5、1 Test Method for Cemented Assemblies (FLTM BO 115-02) 3.1.2 Test Method for Other than Cemented Assemblies (FLTM BO 115-01) 3.2 ADHESION A 3/4 in (19 mm) wide strip of adhesive cellophane tape (ESB-M3G68) shall be applied to the finished surface. Upon quick removal of the tape, none of the finish s
6、hall adhere to the tape. 3.3 SCRATCH TEST Scratch the finished surface with a sharp instrument 16 lines/in (25 mm) in one direction. Scratch at right angles to the first lines forming complete squares. Repeat the adhesion test as listed in para 3.2. 3.4 COLOR The assembly shall have a bright lustrous metallic appearance equivalent to bright chromium and shall compare with the approved master sample at all times.
