1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2014 11 18 N Status Replaced by Material Supplier and trade name G. Weber, NA 2004 03 12 Revised Para 3.0 inserted; paras 3.1, 3.2, 3.3, 3.8 and 4 deleted 1991 12 03 Released NL00E10174634002 T.B. Horoszy Copyright 2014, Ford Global Technolog
2、ies, LLC Page 1 of 2 RUST PREVENTIVE, PETROLEUM BASE WSL-M7C83-A WSL-M7C83-A2 NOT TO BE USED FOR NEW DESIGN 1. SCOPE WSL-M7C83-A: The material defined by this specification is a rust preventive compound consisting of sodium sulfonate, paraffinic oil and a mineral spirit base. WSL-M7C83-A2: The mater
3、ial defined by this specification is a rust preventive compound consisting of barium sulfonate, mineral oils, coupling agents and odorless paraffinic petroleum solvent. 2. APPLICATION WSL-M7C83-A: The material is used to provide short term storage and shipment protection to ferrous and non-ferrous m
4、etals. WSL-M7C83-A2: The material is used to provide storage and shipment protection to ferrous and nonferrous metals. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials
5、(WSS-M99P1111-A). 3.4 PHYSICAL PROPERTIES A A2 3.4.1 Volatiles, %, max 72 89 (ASTM D 2369) 3.4.2 Color 1.5 5.5 (ASTM D 1500) 3.4.3 Flash Point, C, min 38 80 (ASTM D 56) 3.4.4 Shelf Stability 1 year 1 year 3.4.5 Weight per Volume, 0.800 0.803 gms/mL, max (ASTM D 1475) 3.4.6 Viscosity, mm2/s, max 2.7
6、38.6 (ASTM D 445, 100 F) ENGINEERING MATERIAL SPECIFICATION WSL-M7C83-A/A2 Copyright 2014, Ford Global Technologies, LLC Page 2 of 2 3.5 PREPARATION OF TEST PANELS (ASTM D 609) 3.5.1 Substrate The substrate shall be ground and unground low carbon steel. 3.5.2 Application Procedure WSL-M7C83-A: Dip,
7、spray or brust panel with the test rust preventive to a dry film thickness of 25 to 50 micrometre. WSL-M7C83-A2: Dip, spray or brush panel with the test rust preventive to a dry film thickness of 20 to 40 micrometre. 3.6 DRY FILM PROPERTIES A A2 3.6.1 Application Temperature Ambient Ambient 3.6.2 Dr
8、ying Time WSL-M7C83-A: Material must be tack free after 1 h at 23 +/- 2 C. WSL-M7C83-A2: Material must dry after 1 h at 23 +/- 2 C, to a thin, slightly greasy lubricating film. 3.6.3 Dry Film Thickness, 34 25 micrometre, min (ASTM D 1212) 3.6.4 Color of Protective Film (A & A2) The material must dry clear 3.6.5 Removal (A & A2) The rust preventive must be removable at any time by a suitable solvent. 3.7 RESISTANCE PROPERTIES (A & A2) 3.7.1 Humidity Test Ground panels - 4 days (ASTM D 1748) Unground panels - 1 day
