ino

Hi,
I noticed that most people prefer plastisol to wb.Could anyone explain the pros and cons of one over the other.
rgds

 

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dfalk

Quote: Originally Posted by ino Hi, I noticed that most people prefer plastisol to wb.Could anyone explain the pros and cons of one over the other. rgds

Left of this screen you will see "Site Navigation." Click on "Search the Forums" and search for water based ink. There is a ton of information on the forum regarding the pros and cons of water based ink vs. plastisol. Good luck.

 

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splathead

The major disadvantage to water based inks is longevity. They tend to fade much faster than plastisol. They are also a little more difficult to silkscreen due to drying/hardening of ink in the screen.

The advantages are clean up, and low or no hand.

 

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neato

Quote: Originally Posted by splathead The major disadvantage to water based inks is longevity. They tend to fade much faster than plastisol.

Where did you hear that?

Maybe some of the 'hobby' type water based inks have this problem. But a good quality ink that is cured properly will last just as long as plastisol.

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dfalk

Quote: Originally Posted by neato Where did you hear that? Maybe some of the 'hobby' type water based inks have this problem. But a good quality ink that is cured properly will last just as long as plastisol.

My water based prints look better longer than my plastisol prints since plastisol ends up cracking at some point just making it look ugly.

 

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ino

Thanks for your replies,
Im not really worried about the fading of the wb, so long as the colours last for a few washes. I am more worried if maybe the colours would run in a wash.

As for the drying of the ink on the screen,what time frame does one have on an ambient temp of 20 centigrade before the ink starts giving problems.

And lastly, to clean the screens does one need any special chemicals, or is tap water enough.

 

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dfalk

Tap water is all you need to clean up water based inks. As far as workable time with the ink before you start having problems, it's a matter of experimenting. I use Pavonine and Union and my ink starts drying up within 15 minutes if your not working it and spraying a mist of water over it. I think Neato uses Matsui and from what I have heard, they take quite a while before they start drying.
Drying times depends on a few different elements, ambient temperature, humidity, brand, additives, etc.. Just play around with it a bit.

 

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neato

Yep, Matsui is the easiest I've found to work with. It's still WB and will eventually dry. But it's a lot better than the other brands I've tried.

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splathead

Quote: Originally Posted by neato Where did you hear that? Maybe some of the 'hobby' type water based inks have this problem. But a good quality ink that is cured properly will last just as long as plastisol.

I use to use Union's waterbased inks and had issues with fading. I notice you use Matsui. A couple of questions:

1. How do you cure the ink? Air dry, press or regular dryer?

2. Do you use a different screen emulsion than you do for plastisol inks.

Thanks.

 

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ino

Many thanks for the input, all advise taken onboard. Next problem i'll have to see
who sells the matsui inks in Europe.
rgds ino

 

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ppalombo83

Quote: Originally Posted by ino Many thanks for the input, all advise taken onboard. Next problem i'll have to see who sells the matsui inks in Europe. rgds ino

i am very new to this and have been doing a lot of research, it sounds like plastisol vs. waterbased is pretty much the prefence of the designer

my question is, as far as screens, squegees, and those multi color printing presses that rotate go, can this equipment be used on both plastisol and water based?

then as far as the curing goes, obviously each one has their own stlye

any info would be great, thanks

 

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Solmu

Quote: Originally Posted by ppalombo83 it sounds like plastisol vs. waterbased is pretty much the prefence of the designer

Yes, but with consequences for the printer.

Quote: Originally Posted by ppalombo83 my question is, as far as screens, squegees, and those multi color printing presses that rotate go, can this equipment be used on both plastisol and water based?

Yes.

Quote: Originally Posted by ppalombo83 then as far as the curing goes, obviously each one has their own stlye

Sort of. The ideal is the same for both though (a tunnel dryer).

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