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Date: | Wed, 15 Apr 2015 17:08:47 -0400 |
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thinned down? with solvent? you might need one of those... cheap,
disposable (if you want to clean and re-use... might be Ok depend upon the
solvent you use). low volume -assume you have good mixture. cute little
gadget.
http://www.stonybrooksci.com/products/productsportabledisposableviscometer.htm
if you like it, send over Mountain dew after you evaluated. ;-).
jk
> Good afternoon all,
>
> I have a silly question. We conformally coat using a common solvent
> based
> acrylic coating. One process control method is to periodically measure
> coating viscosity using a Zahn #2 cup, which works well for this
> particular
> coating that has about a 55-60 second flow. I am finding that when this
> coating is thinned down for spray, the times are down in the 15-18 second
> range and the variation is increasing.
>
> So, my question - is there a style of viscosity dip cup, e.g. Ford, DIN,
> etc., that is more amenable to thin viscosity coatings? It is understood
> that a precision instrument like a Brookfield viscometer would be
> preferrable, but production is NOT going to let me get a few dozen of
> them.
>
> Thanks.
>
> Doug Pauls
> Principal Materials and Process Engineer
> Rockwell Collins
>
>
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