1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Rev 03 2012 06 25 N Status No usage or replacement N. Benipal, NA 2007 11 30 Revised Updated format, no technical change 1991 04 01 Released EP00E01089483000 CD Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC Page
2、 1 of 4 LACQUER, CLEAR, CORROSION PROTECTION, ENGINE WSK-M1J211-A COMPARTMENT NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a solvent borne air drying rust preventive. It dries to a clear elastic film with high corrosion resistance and shows best performance af
3、ter aging for at least 14 days. High temperatures will improve hardness, flexibility and adhesion. 2. APPLICATION This specification was released originally for a material used as corrosion protection for the engine and engine compartment. It is applied after assembly of the engine. 3. REQUIREMENTS
4、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 COMPOSITION 3.3.1 Non-Volatile, min 36% (FLTM BI 102-01) 3.3.2 Color Transparent Note: When applied on top coat,
5、the film shall not cause a change in the visual impression of the paint color underneath. 3.3.3 Flash Point above 21 C (ASTM D 56) 3.3.4 Shelf Stability, min 6 months 3.3.5 Weight per Volume (ASTM D 1475) According to approved Initial Sample +/- 0.05 kg/L 3.3.6 Viscosity (ASTM D 1200, FC 4) Accordin
6、g to approved Initial Sample +/- 5 s ENGINEERING MATERIAL SPECIFICATIONWSK-M1J211-ACopyright 2012, Ford Global Technologies, LLC Page 2 of 4 3.4 PREPARATION OF TEST PANELS 3.4.1 Substrates (if not otherwise required) 3.4.1.1 Substrate A Ford standard mild steel test panels or current production mild
7、 steel panels, prepared according to FLTM BJ 106-01, solvent wiped. 3.4.1.2 Substrate B Standard white painted panels in current production quality, cured according to respective Material Specification, if not otherwise required. 3.4.2 Application Procedure Spray the material under test in one coat
8、onto test panels. 3.4.3 Application Temperature 15 - 30 C 3.5 AGING Prior to testing age test panels for 24 h at 90 C and recondition for 24 h in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5% relative humidity. Tests have to be performed under the latter conditions unless otherwise specified.
9、3.6 DRY FILM PROPERTIES 3.6.1 Drying Time 60 min Dry to handle after the required time at 23 +/- 2 C. 3.6.2 Dry Film Thickness 40 - 50 micrometre (FLTM BI 117-01) 3.6.3 Influence on Top Coat No swelling of paint. 3.6.4 Removal Prior to heating, the film must be removable with white spirit within two
10、 weeks. 3.7 RESISTANCE PROPERTIES 3.7.1 Salt Spray Resistance 240 h (ASTM B 117) Substrate A Rust on the plane panel area or more than 3 mm rust creepage from edges or scribe line is not allowed. ENGINEERING MATERIAL SPECIFICATIONWSK-M1J211-ACopyright 2012, Ford Global Technologies, LLC Page 3 of 4
11、3.7.2 Environmental Cycling 4 cycles (FLTM BQ 104-07, Procedure 5) Substrate A No rust or blistering. 3.7.3 Adhesion 3.7.3.1 Adhesion to Metal Substrates No chipping (FLTM BI 106-01, C) Substrates: Mild steel Electrolytical zinc coated surfaces Hot dip zinc coated surfaces Chromate coated surfaces D
12、ie casting parts 3.7.3.2 Adhesion to Paint Substrates No chipping (FLTM BI 106-01, C) Substrate B 3.7.3.3 Adhesion to Plastic Substrates Substrates: EPDM PP PA PE PC NBR Shall not chip when scratched with a fingernail. Micro cracking allowed when plastic or rubber part is bent over a 60 mm mandrel.
13、3.7.4 Heat Resistance 140 C Substrate B Hang a panel, covered with the material under test, for 4 h into a convection oven. No flow allowed. 3.7.5 Cold Resistance -30 C Substrate A Store a panel covered with the material under test together with a mandrel of 30 mm diameter for 4 h in a cold box and
14、bend around the mandrel while still in the cold box. No cracking allowed. ENGINEERING MATERIAL SPECIFICATIONWSK-M1J211-ACopyright 2012, Ford Global Technologies, LLC Page 4 of 4 3.7.6 Resistance Against Chemicals No visible change (FLTM BI 113-05) Substrate B 3.7.6.1 Fuel C according to ASTM D 471 3.7.6.2 Engine Oil No 3 according to ASTM D 471 3.7.6.3 Engine Coolant according to ASTM D 1177 3.7.7 Resistance Against Engine Wash Must not be removed by current engine wash procedures.
