![]() ![]() Original Assignee Marquip Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Pastore Toby Murray Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Abandoned Application number US13/330,922 Other versions US20120158322A1 Google Patents US20170241882A9 - Automatic Stein Hall Viscosity Cup You’ll know if you need to add thinner or increase or decrease air pressure.US20170241882A9 - Automatic Stein Hall Viscosity Cup If you determine that you get good results (usually meaning minimal orange peel) at a certain temperature and number of seconds drainage through a viscosity cup, it’s easy to check against this when the temperature is different. I’ve found viscosity cups more helpful for dealing with temperature differences. But I’ve never found these numbers to be more than just general guidelines because the type of gun, air pressure and whether you’re using an air compressor or turbine, all make a difference. You can go online and find conversion tables.įinish manufacturers sometimes tell you the viscosity at which their finish should be sprayed for best results. ![]() The most common cups used in finishing are the Ford #4 and the Zahn #2. The number of seconds is the measure of the viscosity. When the stream breaks, indicating that the cup is empty, stop the timer. Then lift the cup out of the finish and begin timing the drainage with a stopwatch. To measure viscosity dip a viscosity cup into a finish so the cup is full. ![]()
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