Re: [rp-ml] Zcorp binder

From: Stanley Lechtzin <>
Date: Sat Jun 28 2008 - 03:46:47 EEST

I believe that Dr. Bowyer is confusing infiltrant with binder.
Cyanoacrylate is one of many possible infiltrants used to post
process Zcorp printed parts. The binders used in the printers are
water soluble. Sorry, but I have not tried to add my own dyes to the
clear binder, so no help here.

At 04:40 PM 6/27/2008, Adrian Bowyer wrote:
>Quoting Steve Pinkston <>:
>>Has anyone experimented with using any other kind of dyes in a Zcorp
>>printer other than the colored binders they sell? I would like to just
>>make the binder tinted, not full color. This is useful if you need to
>>align the print heads without replacing them. I have been thinning the
>>color binder with clear at about a 10:1 ratio but my color is going to
>>go out of date at this rate. It is also not very cost effective since
>>the color binder is 60% more expensive than the clear.
>The binder is cyanoacrylate, so, whatever you do, don't get any water
>or water-soluble dye near it (or anything else with hydroxide ions).
>I would have thought oil-soluble dyes might work well. I'd look at
>dyes intended for cooking and catering oils, and azo dyes like Sudan
>II. Azo dyes have OH groups, of course, but they are covalently
>bonded, so shouldn't cause trouble.
>If you get a powder dye, you'll have to be very careful that it's all
>dissolved, or the residual powder will clog the print heads. I'd put
>it through a filter paper just to be sure (again, making sure no
>moisture gets to it). Watch out what the filter is made from -
>cyanoacrylate reacts violently with cotton (and that means some
>papers, too).
>Experiment with a few tubes of Super Glue before pouring the dye into
>the machine...
>Best wishes
>Dr Adrian Bowyer

Prof. Stanley Lechtzin
Area Head
Temple University, Tyler School of Art
7725 Penrose Ave.
Elkins Park, PA 19027

phone: 215-782-2863
Received on Sat Jun 28 01:51:50 2008

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