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4624Re: Toyoba Printight 152 / Rigilon MX II 145 / BASF WS 152

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  • elumdesigns
    Sep 1, 2005
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      Gerald, Which Toyoba are you using. I want to call and get some test
      sheets from them.

      Thanks for the info.

      --- In PPLetterpress@yahoogroups.com, Gerald Lange <bieler@w...> wrote:
      > Brad
      >
      > If the Rigilon plates are working I'd stick with them. I think that
      most
      > manufacturers have plates formulated for moulding though. I suspose its
      > a matter of finding the correct formulation. Its likely also a
      matter of
      > correct exposure and washout time sequences. Sounds like you have it
      > right for the Rigilon.
      >
      > I remember Regis telling me a long while back that suddenly his
      > Printights were disintegrating for some odd reason and so he
      switched to
      > another brand. Don't know if he ever discovered the reason for that.
      > I've not had a problem with Toyobo thus far, and more and more of my
      > client base is going deep impression. I suspect its a matter of finding
      > the sequence that works. Bit of Voodoo to it I'm afraid.
      >
      > Gerald
      >
      > elumdesigns wrote:
      >
      > >We have used Owosso for our magnesium plates. We bought a processing
      > >machine from A&V in order to pull the plate process in-house. We
      > >output plates everyday and its saving us a tremendous amount of money
      > >as well as the fact that we now have controll over everything we do
      > >with the exception of film.
      > >
      > >Which Toyoba product would you recommend? Yes, we are going for a
      > >deep impression and some of or invitations and stationery have a lot
      > >of heavy coverage.
      > >
      > >I believe that the Rigilon is a moulding plate, this is the reason why
      > >its harder and isnt crushing.
      > >
      > >With the Printight and some other products we found that we were
      > >losing some of the dots above the "i" and smaller serifs that we use
      > >in our designs. It seemed that the font wouldnt "bounce back" after
      > >the impression. But, I might have been using the wrong material, still
      > >not sure.
      > >
      > >Brad
      > >
      > >--- In PPLetterpress@yahoogroups.com, "Gerald Lange" <bieler@w...>
      wrote:
      > >
      > >
      > >>Brad
      > >>
      > >>The Toyobos are fairly hard as far as letterpress photopolymer plates
      > >>go. But hardness rating per se is not a guarantee of "solidity." More
      > >>like the hardness rating of an inking roller where it is used as an
      > >>indicator of transfer qualities.
      > >>
      > >>You mention "our style of printing." I'm assuming deep impression? I
      > >>think you are going to experience splay with probably any photopolymer
      > >>plate under these conditions. Though I am not experienced with the
      > >>Rigilon. Photopolymer plates aren't really designed for this. And
      > >>thicker plates are going to splay more than thinner plates.
      > >>
      > >>I'd suggest using traditional copper engravings on a patent or
      > >>magnesium base for really deep impression. Most of the suppliers
      > >>accept computer files via email these days. I know Owosso does.
      > >>Copper is a bit more expensive but likely worth it as they will give
      > >>you what you want, which photopolymer likely cannot.
      > >>
      > >>Gerald
      > >>
      > >>
      > >> --- In PPLetterpress@yahoogroups.com, "elumdesigns" <bhfoster@g...>
      > >>wrote:
      > >>
      > >>
      > >>>I have been processing plates, testing and using the above mentioned
      > >>>polymers for the past 8 months. We are looking for a polymer that is
      > >>>hard and one that will hold the cleanest type/impression.
      > >>>
      > >>>We have found that the Printight is a very soft polymer compared to
      > >>>the rest and it does not hold up to our style of printing. The type
      > >>>just smashes after a few impressions. Has anyone else had this
      > >>>problem? I even went as far as to have the A&V rep come down to
      assist
      > >>>us with exposing the plates to see if we were doing anything wrong.
      > >>>He was surprised at what was happening. Has anyone experienced
      this?
      > >>>
      > >>>The BASF polymer by far had the cleanest impression and looked the
      > >>>best but the washout smelled real bad, the washout time was extremely
      > >>>long and the parent size plate was not a good size for us and we were
      > >>>wasting a lot of polymer. This plate was a bit harder than the
      > >>>Printight but we still had to back off on the preassure to make it
      > >>>
      > >>>
      > >work.
      > >
      > >
      > >>>The Rigilon seemed to be the plates that we had the best results
      with.
      > >>>Short exposure times, fast washout, holds type very well, clean
      > >>>impressions, great shoulder on the type, excellent ink release
      > >>>properties and its relatively hard and stable.
      > >>>
      > >>>Can anyone recommend something that might work for us that they have
      > >>>had good results with? Should I stop looking and just use the
      > >>>Rigilon? I have learned a lot about photopolymer and processing
      in the
      > >>>past 8 months but I feel that I have reached a point where I need
      some
      > >>>expert advice on which polymer will work best. Hard and clean....
      > >>>
      > >>>Thanks for reading.
      > >>>Brad
      > >>>
      > >>>
      > >
      > >
      > >
      > >
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