Best Fountain Solution For Poyster Plates

[GJOHN]

For all you guys using polyester plates out there and all the experts: What is the best fountain solution for polyester plates?. Will the same fountain solution used on the metal plates work OK? I know a printer who is fighting picture-framing and piling when using the polyester plates, but no problems on metal plates!

 

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Poly

Poly

Make sure his CTPoly is calibrated and the non image area is burned ok. Is he using a gum/Acid fountain solution? If so try MP2000 Poly Plus from Accel. It works on both metal and Poly.

OG

 

[GJOHN]

Hey, OffsetGuy, I sent you an email and it bounced. Is your address poted correctly?
[email protected]

 

[1roy]

I've been struggling to find a good fount for poly plates for years. The best is the one I've been trialling for a month or so now, 2 in 1 from South African firm BMMprint, which is pre-mixed fount and NPA. Jobs that have always given problems with tinting, such as pantone blues on uncoated stocks, run clean with less ink and dampening to hit the colour. No probs so far. 2nd best was Presstek's 38778, but this gives problems with emulsification on magenta, and colour washout on stop/start. Heidelberg's Sapphira is good but very thick, and tends to foam in the technotrans. 2 in 1 is widely used with metal plates. Have a look here:

http://printplanet.com/forums/ink-s...7-n-propyl-alcohol-versus-isopropanol-alcohol