ok, I am new in screen printing and done some printsusing WB ink (Chaiyaboon Brothers brand).Any idea how to cure the ink? I usually ending up prints with Crackand Washout on first wash.My curing process was my only Heatpress which I set for 320 for 20sec.Do you think I'm doing wrong with it?Tips and suggestion greatly appreciated"Sorry for I have a bad English"Details:Ink : Water BasedBrand : Chaiyaboon brand from ThailandMachines used :HeatpressHair Blower(I have no money to buy flash cure unit)Thanks guys
Best results is forced air to evaporate all the moisture in the water based ink that is why a heat gun works beter than a heat press for curing water based inks, heatpress will not allow the moisture to escape so I would still recomend using a heat gun.
I only print with water based inks and cure with a heat gun and have never had a shirt wash out, it is time consuming on larger prints but effective and affordable if you cannot/do not want a tunnel dryer.
Instead of actually pressing the shirt, perhaps increase the temperature a bit but don't bring the heated element all the way into contact with the shirt. Set it up with something to hold it about 1/4 inch or so OFF the shirt to allow the moisture to escape, and do it for a couple of minutes.
Forced air is optimal but not at all necessary. I use (out of necessity) an old coil flash unit until I can upgrade and my shirts are curing great. I hit them between 330 and 350 (uneven heat with my unit) for 2 minutes 15 seconds. This is on an Anvil 980 Ringspun Cotton Shirt using Comet White, Jaquard White and Ryonet White Water Based.
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