White ink

1345 Views 11 Replies 5 Participants Last post by inkdrips, Mar 13, 2012

scott8801

Discussion Starter · Mar 13, 2012

Having a little issue with my white ink. Printing on a royal blue 100 % cotton gildan tshirt. I'm printing lettering in white then outlining it in black. After I put the white down then print the black alot of my white is coming off on the bottom of the black screen. The white doesnt look as good after I print the black. I tried flashing before I put the black down but still lost some white. My off contact is about 1/4". Any suggestions would be great. Thanks

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inkdrips

· #2 · Mar 13, 2012

It sounds like your not flashing the image enough. It should be pretty dry to the touch. What ink are you using. White is pretty thick usually and requires a little more time to flash and cure. How far is your flash from the shirtboard?

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red514

· #3 · Mar 13, 2012

If printing manually you may want to consider flash curing between the print colors. another option if you don't have a flash cure unit, is to print black first, then the white.

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scott8801

Discussion Starter · #4 · Mar 13, 2012

using plastitol white ic multi ink. My flash is about 3-4 inches above the shirt.

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red514

· #5 · Mar 13, 2012

if you're using a flashcure and you're still getting white sticking the the underside of the the next screen, it's not flashed enough. remember to let the ink cool off for a minute after flashing, before printing the next colour.

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inkdrips

· #6 · Mar 13, 2012

You could probably knock it down an inch it so. I usually keep it around 2 inches above. If you have to, touch the ink. If it comes off on tour finger its probably going to come off on the screen. As for me it usually happens if I'm printing an image that's basically too big for my flash. I have a 16x16 inch flash, and i have to flash in sections if my image is larger than 14 inches.

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PrimalScreen

· #7 · Mar 13, 2012

A temp. gun can help ...then you can see if your getting enough heat to the shirt

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scott8801

Discussion Starter · #8 · Mar 13, 2012

What kind of temp do I need for the flash cure?

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inkdrips

· #9 · Mar 13, 2012

Off the top of my head I think It's around 230 degrees, however if I'm wrong i know someone on this forum will correct me. Or just do a quick search on the forum.

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scott8801

Discussion Starter · #10 · Mar 13, 2012

I've got a pretty good flash unit. About how long should I flash for the white. Assuming 200-230 degrees is good. Thanks

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ScreenFoo

· #11 · Mar 13, 2012

You mean multi purpose series? Like 711? The IC "fast flash" stuff you can get to gel under two hundred, the two thirty figure seems like a pretty safe bet for just about anything that hasn't been modified.

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inkdrips

· #12 · Mar 13, 2012

I flash for about ten seconds at 2 inches... But that's with my current printing enviroment. You will have to get a temp gun or some temp strips to find out yours. I have a light draft because of my exhaust system. Before I put it in, I was flashing at about 5 to 7 seconds at 2 in.

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