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Discussion Starter · #1 ·
im using ryonet discharge w/ white pigment. im using a flash dryer to cure and its working, but takes longer than usual plastisol. i flood and spray the screen with a mist of water. my problem is, its not very efficent the way im doing it. the ink keeps getting dry and hard to work. does adding wetting agent really make a big difference? does discharge without pigment dry slower and easier to work with?
 

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Discussion Starter · #2 ·
also, can you use discharge white as under base? if so, would i have to cure it before putting plastisol on top of it? from my understanding, you have to wash the shirts before use and it gets rid of the crusty feel. if i printed plastisol on top of the crusty-ness, then wash it seems the plastisol may wash off
 

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Hi drscotty14,

Let me see if I can answer some points of concern.

im using a flash dryer to cure and its working, but takes longer than usual plastisol
The key with curing waterbase ink is time. You are trying to accomplish 2 things, 1 - activating the binders to create a bond with the garment fibers and 2 - evaporating all moisture. It is common for curing waterbase to take longer than plastisol.

the ink keeps getting dry and hard to work
This is a common problem with white discharge. The white is very high solids (has less water) and will dry faster in the screen.

does adding wetting agent really make a big difference?
Yes! It helps the ink retain the moisture. But it can also slow down the curing process as well so be careful!

does discharge without pigment dry slower and easier to work with?
Yes, but specifically discharge without white is easier to work with and will not dry in your screen so easily.

can you use discharge white as under base? if so, would i have to cure it before putting plastisol on top of it?
Printing plastisol on top of waterbase is an advanced technique. Any uncured waterbase ink will keep the plastisol from bonding properly. I wouldn't advise using a "discharge white" as an underbase for plastisol but instead straight "discharge base". Be extremely careful and test thoroughly if you want to attempt this.

I hope this helps lead you in the right direction.
Good luck,
 
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