FORD WSS-M7C94-A-2014 RUST PREVENTIVE CHASSIS TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2014 11 18 N Status Replaced by Material supplier and trade name G. Weber, NA 2004 03 10 Revised Para 3.0 inserted; paras 3.1, 3.2, 3.8 and 4 deleted 1998 01 08 Activated T. Horoszy Copyright 2014, Ford Global Technologies, LLC Page 1 of 2 RU

2、ST PREVENTIVE, CHASSIS WSS-M7C94-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a thin film, low viscosity, petroleum based rust preventive. 2. APPLICATION This specification was released originally to be specified on chassis components that are fabricated in

3、the USA and shipped by truck and sea to South America where the components are assembled and subsequently E-Coated. The rust preventive shall be suitable for application by dipping, spraying or brushing at ambient temperatures. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Mater

4、ial suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.3 PHYSICAL PROPERTIES 3.3.1 Specific Gravity, at 20 C, min .80 - .95 (ASTM D 1298) 3.3.2 Viscosity, at 37.8 C, min 9 cSt (mm2/s) (ASTM D 445) 3.3.3 Flash Point, min 93 C (

5、ASTM D 92) 3.3.4 Shelf Stability, min 1 year 3.3.5 Removal Must be removable by hot alkaline cleaner 3.3.6 Volatile Organic Compounds (U.S. EPA Method 24) The V.O.C. content of this material shall not exceed .42 kg/L. 3.4 FILM BUILD Components coated to this specification must have 100% coverage. EN

6、GINEERING MATERIAL SPECIFICATION WSS-M7C94-A Copyright 2014, Ford Global Technologies, LLC. Page 2 of 2 3.5 PREPARATION OF TEST PANELS 3.5.1 Substrate Hot Rolled Steel P&O, 100 x 300 mm, 2 to 3 mm thick (reference para 5.1). Prior to coating, alkaline clean and tap rinse panels until water-break fre

7、e. Apply rust preventive to panel at the suppliers min recommended film build to achieve performance requirements shown in para 3.6.1. 3.6. RESISTANCE PROPERTIES 3.6.1 Humidity Test, min No red rust (FLTM BJ 107-03) allowed after 10 days 3.7 ADDITIONAL REQUIREMENTS Specific requirements for material

8、 and/or manufactured parts shall be specified on the Engineering drawing, Engineering parts specification and/or performance specification. All critical areas with respect to these properties shall be clearly designated on the engineering drawing. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification 5.1 PANEL INFORMATION Test panels are available from Advanced Coating Technologies Inc. (ACT). ACT P. O. Box 735 Hillsdale, MI 49242