1、 FORD LABORATORY TEST METHODBI 113-01Date Action Revisions 2005 05 06 Revised Liquid Test Soap, referenced FLTMs and procedures C. Lin 2001 03 19 Revised Editorial no technical change A. Cockman 1997 12 01 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 2 WATE
2、R AND SOAP SPOTTING TEST FOR PAINT Application This method is used to determine the resistance of painted finishes on metal and plastic parts to water and soap spotting. Apparatus Required Color Matching Booth - FLTM BI 109-01 Macbeth Color Matching Booth BX 1014 Super Skylight, BX 848a Super Skylig
3、ht or SPL 75 Spectralight or approved equivalent. Mechanical Convection Oven Capable of maintaining a temperature of 60 +/- 2 C. Weather-Ometer An Atlas XW Weather-Ometer, or approved equivalent, for activating the painted finishes per SAE J1885/SAE J1960 modified Type “S“ borosilicate inner and out
4、er filters, 0.55 W/m2radiant exposure or DVM-0067-MA (filtered xenon). Polyethylene Washers Approximately 25 mm I.D. Materials Required Liquid Test Soap Labchem Standard Soap Solution (LC22800-2) Available from: Fisher Scientific 1-800-766-7000 or LabChem (412) 826-5230. Distilled or Deionized Wat
5、er 20 micromhos/cm at 25 C maximum conductivity (ASTM D 1125). FORD LABORATORY TEST METHODBI 113-01Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 2 of 2 Referenced Ford Laboratory Test Methods BI 103-02 Preparation of test parts BI 109-01 Color matching of paints
6、BI 109-03 Color difference evaluation Conditioning and Test Conditions All test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5% relative humidity for not less than 24 h prior to testing and tested under the same conditions unless other
7、wise specified. Procedure 1. After baking and aging, place specimens in the Weather-Ometer for 16 h to activate the paint finish. 2 Immediately after removal from the Weather-Ometer place a polyethylene washer on each end of the painted surface of the specimen. Fill one washer with 2 mL of liquid so
8、ap and the other with 2 mL of distilled water. 3 Place the specimen in the oven at 60 +/- 2 C for 4 h. 4. Remove the specimen from the oven, rinse the specimen with tap water, dry carefully with a clean paper towel (but do not rub spots), and check for any color difference between the treated and un
9、treated areas in accordance with FLTM BI 109-01 under North Sky Daylight. If a quantitative measurement of color difference is required by the Engineering Material Specification check in accordance with FLTM BI 109-03. Evaluation Report any color difference as water and soap spot discoloration. Chemicals, materials, parts, and equipment referenced in this document must be used and handled properly. Each party is responsible for determining proper use and handling in its facilities.
