Discuss the various aspects of heat press technology. Transfer paper, inks, plastisol transfers, vinyl cutters, printers, commercial usage, durability, suppliers, etc.
Sometimes when i press a white tee, the shirt will have a yellowish tint in the area of where the the transfer paper had been pressed, has this ever happened to any one else
Sometimes when i press a white tee, the shirt will have a yellowish tint in the area of where the the transfer paper had been pressed, has this ever happened to any one else
i think it might have something to do with your inks.
Historically, that yellow tint indicates that the paper is burning. Try reducing your time or temp.
Happens to me... even during the pre-press with teflon sheet (i.e. no paper) to remove moisture...
I've only tried Gildan 2000's... thinking it's the shirt. (Although it's a popular shirt and haven't red too many complaints about yellowing.)
It's a tough catch 22 when you use a transfer paper that requires high pressure, high heat... yet it seems the shirt can't handle the heat/pressure.
Double checked my temp with a heat gun... Thought I fixed the problem when I found my press 20F too hot... but no... does the same thing at 400F as it did at 420F.
I am afraid that lowering the pressure/time/temp enough to stop yellowing will also decrease the adhesion/durability of the ImageClip paper I am using.
Could be a few things:
1. Not triming the paper. If you have lots of blank areas on the design, it sould be the film from the paper being left behind. Need to trim it
2. Could be the temp and time: how long are you pressing it for and at what temp?
3. Sometimes you might see a slight ghosting around the image, which is yellow.
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Also it can depend on your design. I havent figured this one out yet, but I have noticed that on a few of my designs they are more likely to turn yellowish on parts yet other designs do not. I havent figured out if it has something to do with certain colors, or gradients, or maybe something else. I have a funny thing it might be shading, but hey please do not quote me on that.. I will try to pay closer attention to this detail. I actually had come here hoping to find some advice on the same subject. Had hoped teflon paper might help.
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I've noticed it more in my blacks, and have wondered whether it was the difference between a "true" black and a "mixed" black (one that has black plus other colors). Where as the true black doesn't have the yellow ghosting. I haven't tested it though.
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shirt has yellowish tint from transfer paper 
Re: shirt has yellowish tint from transfer paper 
Brett
Heavy Metal Art and more @ 
