FORD WSS-M7C80-A3-2015 RUST PREVENTIVE WAX SOLVENT BASED TO BE USED WITH FORD WSS-M99P1111-A .pdf
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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2015 10 09 Revised Separated A A3 see summary of revisions. U. Mueller, EU 2007 08 22 Revised Added WSS-M7C80-A3 Revised 2., 3.4.1, 3.4.2, 3.4.3, 3.4.4 please consider WSS-M7C79-B2 instead. 3. REQUIREMENTS 3.1 APPROVED SOURCES This spe
2、cification requires the use of approved sources. Only the sources identified on the Ford Approved Source List (ASL) can be used when this specification is listed on the drawing, CAD file, or other documents. The list of approved sources is located within Ford at or available externally through a Fo
3、rd Materials Engineer. 3.2 PHYSICAL PROPERTIES 3.2.1 Non Volatile 15% min (not for Aerosols) (FLTM BI 102-01) 3.2.2 Storage Stability, min The storage stability must be adapted to the climate conditions at the individual plant. Min storage conditions for all waxes: 6 months at 32 C 12 months at 32 C
4、 And 6 months at 5 C 12 months at 5 C Additionally for tropical climates: 3 months at 40 C 12 months at 40 C After the storage, the material shall not show any insoluble separation or coagulation and must meet all specification requirements. 3.2.3 Density See Initial sample (ASTM D1475) +/- 0.05 g/m
5、L 3.2.4 Creeping Ability, 20 mm min (FLTM BJ 128-02) ENGINEERING MATERIAL SPECIFICATION WSS-M7C80-A3 Copyright 2015, Ford Global Technologies, LLC Page 2 of 4 3.3 PREPARATION OF TEST PANELS 3.3.1 Substrate Lab tests are for initial approval only. They shall be performed on standard test panels at 30
6、 - 40 micrometer film thickness. Lab test results are superseded by results from the proving ground evaluation. 3.3.2 Application Procedure, Laboratory Stir the wax for 15 minutes at 23 +/- 2 C, unless otherwise recommended by manufacturer. Shake-up spray cans as required by the supplier. Applicatio
7、n method required: a) Airless spray or b) Air assisted spray c) Aerosol spray After the required film thickness has been achieved, the reverse side of the panel can be wax sprayed with a thin film to provide protection during test. Do not protect edges with special actions. 3.4 DRY FILM PROPERTIES W
8、ax material must be suitable to form a closed continuous layer without voids and bubbles. After drying, the wax shall be sufficiently hard to withstand normal handling during final assembly without damage. It may be slightly tacky but must not stain cables, trim parts or clothing. 3.4.1 Dry Film Thi
9、ckness 30 40 m (FLTM BI 156-01) 3.4.2 Color Light beige or clear 3.4.3 Appearance Smooth homogeneous film 3.4.4 Drying Time Touch dry* 25 minutes Fully cured 24 hours *The wax shall be resistant against water impingement after the required time at 23 +/- 2 C. 3.5 RESISTANCE PROPERTIES 3.5.1 Resistan
10、ce to CETP 00.00-L-467 accelerated cyclic corrosion test Zn-coated steel and CRS test panels: Appearance: No surface corrosion, no edge corrosion 4 weeks Function: Max. Rust Grade 3 at open metal surfaces 6 weeks No malfunction (with components only) 9 weeks Evaluation after removing of the wax ENGI
11、NEERING MATERIAL SPECIFICATION WSS-M7C80-A3 Copyright 2015, Ford Global Technologies, LLC Page 3 of 4 3.5.2 Influence on Painted Surfaces (Test Method: Spray one half of the painted panels with the test compound. The test panels are stored in an oven for 16 h at 45 +/- 2 C. Wipe off the test compoun
12、d using a cloth saturated with a suitable solvent. Examine visually for staining and test for evidence of softening.) Must not stain, soften, lift, or otherwise degrade current OEM production and service paint materials. Substrates Ford standard steel panels painted with standard white, basecoat/cle
13、arcoat and bumper enamel from current production according to respective specifications. 3.5.3 Resistance Against High Temperature No flow at 80 C (FLTM BV 118-01, modified as indicated below) Spray half of the panel with the test compound. Mark the edge of the wax and place the panel for 1 h in a c
14、onvection oven in a vertical position with the waxed half of the panel up. 3.5.4 Resistance Against Low Temperature -30 C (ASTM D522, Method B) No cracking or chipping allowed. Store the panels in a cold box together with a mandrel of 30 mm diameter for 24 h. While in the cool box, bend the panels 1
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