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Re: Sublimate/Cook a mug twice!
Posted: 12 Aug 2011, 17:56
by AdamB
Just thinking here - will it affect a design if a mug is sublimated/cooked twice?
As an example, say I have a design that is very popular but is personalised. Could I cook the mug with the design on it and then add the personalisation at a later stage?
I only ask as I have a mug that I always keep in the mug-press when I turn it on (to warm up) and it is now YELLOW from the amount of times it's been heated and cooled. I keep waiting for it to break when I dunk it but it keeps going like one of those duracell rabbits!
Re: Sublimate/Cook a mug twice!
Posted: 12 Aug 2011, 18:00
by mgibbs
Why do you dunk it?
I put my "dummy" mug back in the press and allow both to cool naturally when I've finished a batch.
Mark
Re: Sublimate/Cook a mug twice!
Posted: 12 Aug 2011, 18:04
by AdamB
mgibbs;28170 wrote:Why do you dunk it?
I put my "dummy" mug back in the press and allow both to cool naturally when I've finished a batch.
Mark
for no other reason apart from habbit!
that plus I quite like the hiss/fizzle sound that it makes

Re: Sublimate/Cook a mug twice!
Posted: 12 Aug 2011, 18:19
by mgibbs
Its is a strangely satisfying sound
Mark
Re: Sublimate/Cook a mug twice!
Posted: 12 Aug 2011, 19:01
by Justin
If you try to sublimate a second time you'll restart the process of the already printed area, this will bleed over onto your blanket and will no doubt smudge.
Re: Sublimate/Cook a mug twice!
Posted: 12 Aug 2011, 19:06
by AdamB
Justin;28176 wrote:If you try to sublimate a second time you'll restart the process of the already printed area, this will bleed over onto your blanket and will no doubt smudge.
thanks Justin

Re: Sublimate/Cook a mug twice!
Posted: 12 Aug 2011, 19:24
by Paul
I have done this couple of times. one side was printed and other side was left for future tests. (mugs was a rejects) and I always use paper or teflon strip. I must say I never noticed any change in the "old" picture.wired as I would expect what Justin just said but honestly. picture was fine.
Re: Sublimate/Cook a mug twice!
Posted: 12 Aug 2011, 20:38
by theemmanewman
Now Paul mentions it I do this too - print smallish image to test so i can do another one or two prints to same mug and I have never noticed the original image deteriorating.My dummy mug in the press has no image on it but has been heated many many times - maybe I will put something on it and see how it survives.
Re: Sublimate/Cook a mug twice!
Posted: 12 Aug 2011, 23:21
by JSR
For testing, I often press a mug with up to several prints around it - one after the other. Each pressing does "blur" or soften the print that's already there. I notice it immediately, but it's fair to say that many people probably wouldn't. I guess it depends how sharp the design was in the first place.
My dummy mug goes an awful yellow-brown colour, but it takes dozens of presses before you start to notice.