Mike, We manufacture a very dense opaque black ink that was originally designed for the Piezography backlit process in which the black needed to block out light. This ink, because it is very dense is useful now to Piezographers as a dual matte black/photo black. We sell most of this ink to silkscreen printers who wish to use the Epson driver to make opaque film. It can also be used with QTR. The ink we now call Piezography Warm Neutral Shade 1 opaque photo black and you can find it here: http://shopping.netsuite.com/s.nl/c.362672/it.A/id.6109/.f?sc=15&category=39578 With the Piezography process we use this ink only sparingly in our shadows preferring to use four ink shades in total to define shadow detail. For your process, you could use only this one ink in order to achieve a OD of 3.0 or higher. Not that it matters, but it is also exceedingly light fast because it is pure carbon. The density comes from an experimental grind in which particles are much finer than would normally be required for jetting. The end result is a greater amount of opacity. regards, Jon Cone Piezography --- In QuadtoneRIP@yahoogroups.com, Mike Finley <mike.finley@...> wrote: > > I'd be doubtful that QTR would get a significantly more solid black, but > that may not be what you need! > Have you tried other colours to see if they are better at blocking the > ultraviolet? > You might also try the PDNPrint group for advice/ideas - they're not > trying to print cicuit boards, but trying to create negatives for old > photographic processes, many of which are primarily ultraviolet sensitive. > > > On 10/12/2013 10:00, beefyzee@... wrote: > > > > Hi Everyone, > > > > > > I've never heard of qtr before, and have became a little excited now > > that I have. > > > > My need is just one thing, to print solid opaque black on transparent > > inkjet film. I won't be dealing with halftones or anything, just solid > > black to block UV light. > > > > I this what QTR can be used for with the printers it works with. > > ... > > > > > > -- > mike finley photography > http://www.mikefinley.co.uk > http://words.mikefinley.co.uk >
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Re: I've only just found QTR
2013-12-11 by piezobw