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Curing plastisol with heat press



 
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Old March 13th, 2008 Mar 13, 2008 1:21:42 PM -   #1 (permalink)
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Default Curing plastisol with heat press

I know, probably there has been a lot a talk about this, but I found this on you tube, this guy is curing plastisol with his heat press.
I am going to try this, I don't know what kind of paper he is using thou.
The video is from Argentina, hence in spanish,
or argentinian dialect .
 
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Old March 13th, 2008 Mar 13, 2008 4:32:55 PM -   #2 (permalink)
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Default Re: Curing plastisol with heat press

I have done it, but leave the press open so that the heat platen was 4" above the design. I set the temperature a little higher.

It was ok for 20 tees, but for a wider batch production, it is too long and not cost effective...
 
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Old March 13th, 2008 Mar 13, 2008 5:26:52 PM -   #3 (permalink)
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Default Re: Curing plastisol with heat press

great find marcelo!

i'm also wondering what kind of paper hes using. it would be great to know.

Last edited by hiGH; March 13th, 2008 at 05:36 PM.
 
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Old March 13th, 2008 Mar 13, 2008 5:27:30 PM -   #4 (permalink)
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Default Re: Curing plastisol with heat press

Maybe it's transfer paper he is using?

Seems to me this would flatten your design and where you would have one color on top of another it would cause an undesirable look.
 
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Old March 13th, 2008 Mar 13, 2008 8:23:50 PM -   #5 (permalink)
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Default Re: Curing plastisol with heat press

Quote:
Originally Posted by ImageIt
We've used a heat press to cure shirts to cure shirts and have had no problems.

We used transfer paper to prevent the shirt from sticking to the heat press while the shirt was being pressed. 330 degrees for 20 seconds.

fred
hey fred,

quick question... do you press the shirt right after printing it?
 
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Old March 13th, 2008 Mar 13, 2008 11:42:42 PM -   #6 (permalink)
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Default Re: Curing plastisol with heat press

If i saw it correctly i think i saw oracal on the paper so it might just be the left over paper from decal vinyl that there using
 
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Old March 14th, 2008 Mar 14, 2008 11:10:13 AM -   #7 (permalink)
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Default Re: Curing plastisol with heat press

We cure plastisol transfers with a heat press no problem we work as a pair one printing one drying. make a frame which sits on the press and hangs over right left and at the back 10mm thick we have been doing this for years with minimum failure rates.We are a travelling show and dragging a tunnel around or finding x.kw for a flash unit and x.kw for the press would be a joke.
 
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Old March 14th, 2008 Mar 14, 2008 1:20:50 PM -   #8 (permalink)
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Default Re: Curing plastisol with heat press

Quote:
Originally Posted by 2STRONG
If i saw it correctly i think i saw oracal on the paper so it might just be the left over paper from decal vinyl that there using
Yes ! now that you mentioned it he said it is a left over of something that other people were using, and the brand is oracal.
Experimenting he found it work just fine.
Do you now if any kind of vinyl comes with that paper?
thank you
 
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Old March 14th, 2008 Mar 14, 2008 2:08:57 PM -   #9 (permalink)
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Default Re: Curing plastisol with heat press

Quote:
Originally Posted by ImageIt
Not necessarily. The way i came to use a heat press was that my employee undercured a batch of shirts. We found out following a wash test. The shirt failed the wash test. Since i wasn't exactly sure what went wrong, i was afraid. The idea i came up with was to try the heat press, because it would give the exact temperature needed and would also press it into the shirt.

We printed a shirt to replicate the problem, then used the heat press and it cured perfectly. Next we tried shirts 1 day old and they too worked perfectly. Out of curiosity, i tried the shirt which failed the wash test. Much to my surprise, the already washed shirt cured perfectly, except what had already fallen out in the wash. I would not have believed that a shirt which had been washed, could still be properly cured, but i saw it with my own eyes.

Even shirts which i pulled to fail a stretch test seem to be able to heal the cracks in the ink, as long as the ink was touching during heat pressing.

fred
thanks for the great info fred.
 
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Old March 14th, 2008 Mar 14, 2008 2:12:31 PM -   #10 (permalink)
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Default Re: Curing plastisol with heat press

What I want to get clear on is this; are you guys curing WET plastisol ink with a press or just situations like Fred describes where you are curing an under-cured print?
 
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Old March 14th, 2008 Mar 14, 2008 2:48:22 PM -   #11 (permalink)
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Default Re: Curing plastisol with heat press

Quote:
Originally Posted by splathead
What I want to get clear on is this; are you guys curing WET plastisol ink with a press or just situations like Fred describes where you are curing an under-cured print?
I pre - cured it with a heat gun, when it was dryed to the touch I heat pressed it, and I used teflon over and under the tee, also I used a regular paper inside, in case the ink could get on the back of the tee.
 
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Old January 24th, 2011 Jan 24, 2011 2:35:55 PM -   #12 (permalink)
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Default Re: Curing plastisol with heat press

Quote:
Originally Posted by marcelolopez
I pre - cured it with a heat gun, when it was dryed to the touch I heat pressed it, and I used teflon over and under the tee, also I used a regular paper inside, in case the ink could get on the back of the tee.
This sound like it adds 1-2 minutes to the process.

I want to use a flash dryer combined with my press but I'm afraid of having both units on in my garage. I might blow the circuit constantly.
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Old January 24th, 2011 Jan 24, 2011 5:01:22 PM -   #13 (permalink)
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Default Re: Curing plastisol with heat press

Quote:
Originally Posted by poker
This sound like it adds 1-2 minutes to the process.

I want to use a flash dryer combined with my press but I'm afraid of having both units on in my garage. I might blow the circuit constantly.


yes you will probably blow a fuse. i would run one with an extension cord to another area, thats what happen to me when i was using my heatpress and heat gun.
 
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Old January 24th, 2011 Jan 24, 2011 5:20:17 PM -   #14 (permalink)
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Default Re: Curing plastisol with heat press

Quote:
Originally Posted by 2STRONG
yes you will probably blow a fuse. i would run one with an extension cord to another area, thats what happen to me when i was using my heatpress and heat gun.
Using extension cords for high watt devices is pretty bad as well but I'll look in to it. Thanks.
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Old January 24th, 2011 Jan 24, 2011 5:26:50 PM -   #15 (permalink)
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Default Re: Curing plastisol with heat press

Or just do one cure process at a time. Use your heat gun on all garments first. Then unplug it, plug in your press, and complete your curing.
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