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Vinyl on t-shirts peal after wash

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Need help resolving an issue I am having with my t-shirts. I am using siser vinyl on pre-washed shirts and using heat press at 350 degrees. After wash and drying, the lettering peals off.. Am I missing a key step in ensuring the vinyl sticks on the shirt? Please Help!!!! :-[

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are you pre-pressing teh shirts to remove moisture before applying at 305 for 20 seconds?

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Well, I am new to this and I have adjusted the temp and found that at 350, my vinyl sticks. I have also adjusted the press to where it is pressing as firm as possible. I will try adjusting the temp again to see if that will resolve my issue. I have heard about putting a piece of Teflon between the press and the vinyl.. Would that make a difference? I will also heat press the shirts to try and remove moisture to see if that makes a difference. Will post results later today, wish me luck...

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Guest fivestar

Never heard of that press.  Sounds like a chinese made press so I would get an infared thermometer and check your upper platen's temperature.  Sounds like it's not heating properly.

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350 Deg is way over temp.

Also make sure you are in F and not C

What I do is 18 Sec at 320 , peel backing off and then repress with teflon sheet for 4 sec to ensure nothing loosened  during peeling.

Pressure at max on the press.

We havent had any vinyl peel off in over a year using this method.

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I use a sgweegie to press across my image and it seems to work great.  I would tell you that  increasing heat in increments works too!!!

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Pressure..........If your confirm your temps are right you need more pressure. What I found with my Chinese press was that to get the appropriate pressure, I basically have to bottom out the springs on top of the platen to get the right amount of impression into the shirt.

Kevin

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Guest fivestar

Yea, Throw it away and get a good one

ROFLMAO.......I was writing the exact same thing.

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Don't give up yet-  I had the same problem and stumbled across my problem.  I found that the aluminum base was slightly warped and the front and back touched before the middle did- so any amount of pressure wan't going to get the center (the part you need) to have good pressure.  You can easily test this by taking a good quality carpenters square and placing it on the base (after removing the pad) and see if you have any gaps.  Since I don't have tools to file down aluminum, what I did was place a 11x11 inch 1/4 inch thick square of wood paneling under my 15x15 inch pad in the center.  The ensures that the center (where I place the vinyl) will have the greatest pressure.  Eventually I will just replace the press but this is what my issue was.  I completely understand your pain and frustration!!!!  I was just convinced that it was NOT possible to get a good stick with vinyl.  Now I know better.

-Jeff

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