Smell on PVC

General chat on substrates, materials and inks
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emreserim
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Smell on PVC

Post by emreserim » Mon May 08, 2017 3:36 pm

Hi there,

We mostly print on pvc cards but when we print full image, that pvc smells very bad.
We have a few bad feedback from our customers. We use EUV-4, we already have a few offer from aftermarket sales, they sell open ink and they are %100 guaranteed that the ink won't smell like we have. We use original product. Might be a problem on machine or something like that?

Thanks,
Emre
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mrtn
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Re: Smell on PVC

Post by mrtn » Mon May 08, 2017 6:47 pm

Is the LED lamp clean and ink cures completely?

The ink smell will be present for a couple of days, it's normal (if it's dry).
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emreserim
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Re: Smell on PVC

Post by emreserim » Mon May 08, 2017 7:08 pm

yes, led lamp clean and ink cures but the smell doesn't go away for a week. need a real solution for that. because UV print results way too much better than sublimation but most of the clients doesn't like the smell.
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Re: Smell on PVC

Post by Kai Perry » Tue May 09, 2017 9:56 am

Are you using the BOFA filter cabinet?

If so keeping the cover closed for one minute after printing should reduce the smell of the ink.
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emreserim
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Re: Smell on PVC

Post by emreserim » Tue May 09, 2017 10:15 am

i have DIY air conditioner but i didn't try waiting for a minute after printing. I'll try that too, thanks.
but the smell doesn't go forever, right? any other ways?
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Re: Smell on PVC

Post by Kai Perry » Tue May 09, 2017 10:43 am

The smell of the item does take a time to compltely disappear, you could try some kind of fan to blow directly at the item for a time, this may reduce the smell more.
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Re: Smell on PVC

Post by PhillyDee » Tue May 09, 2017 6:14 pm

I have found any absorbent materials, such as cardboards, particle boards, woods, mdfs etc will smell for a couple of days afterwards, this can be sped up by putting the item in a sunny location (extra UV), under secondary lamps or similar would also work. I was going to build a 'fume cabinet' with fans inside and racks to help this process along.
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Re: Smell on PVC

Post by mrtn » Wed May 10, 2017 5:51 pm

Correct. Paper and textile absorb ink deep inside before creating a crust of ink on top due to UV-radiation, leaving the uncured ink under it. Perhaps this PVC is extra porous.
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