Author Topic: Modifying CCI D-white....  (Read 1423 times)

Offline Mr Tees!!

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Modifying CCI D-white....
« on: June 08, 2012, 07:26:14 PM »
...So I am finally starting to get my feet wet with this whole discharge thing. Right now my goal is to nail down printing a discharge base and plastisols directly on top, no flashing. For runs of maybe 200 and higher.

...I think I have the stencil/screen down pat, switched to CCI WR25 & HardenerX, and the screen lasted the full 700 pcs today.

...Also tried the D-white, based down 80/20 with their base and 6% powder. Discharged pretty well, but it sure seems like the ink started drying pretty fast. Didnt take long before it was stiff, to the point of not flooding very well. For those of you that use this product, can I thin this down with water? I realize the pigment load will be affected, but as long as the correct amount of d/c agent is added, would the water content matter?

...while I am here, I would love to hear any input on specific in how you print this as an unflashed underbase. Mesh count, squeegee durometer, number of passes, meshes for top colors. etc. One thing I did have trouble with today was getting the screen to clear with anything less than heavy pressure, which in turn affected the waterbased adhesives and I had some registration issues late in the run.

..sorry, Im kinda all over the place here, my brain is cooked. so I dunno...discuss! Lets let it go where it may.

...Thanks you guys!!

Thanks TSB gang!!

...Sean, Mr Tees!!!


Offline ebscreen

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Re: Modifying CCI D-white....
« Reply #1 on: June 08, 2012, 08:48:20 PM »
%10 water is fine. Retarder is better, stays wet longer. You can also use
just straight discharge base depending on top colors.

150-230 for the base, 180 is typical for spot stuff here. Soft squeegee, low angle,
swift stroke, usually double.

230+ for most top colors, maybe 180 for white, again depends on the color.

We usually just discharge all colors but I'm going to start moving towards dc underbase
plus plastisol for more jobs, especially the smaller ones.