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Main => Artwork => Topic started by: animatorJustin on August 16, 2011, 12:00:47 am

Title: Does White Artwork turn Yellow?
Post by: animatorJustin on August 16, 2011, 12:00:47 am

Hi everyone,

I have a quick question. I'm creating my second cab and currently drawing up the side Artwork. The Artwork I'm creating is very white. has anyone had problems with very light/white artwork. Does anyone know if it yellows? Any foreseeable problems? a side note, there is no smoking in my house, and I do not need to worry about children and crayons... yet.

Thanks

Title: Re: Does White Artwork turn Yellow?
Post by: Firebat138 on August 16, 2011, 02:36:00 pm

In artwork or anything that is exposed to sunlight, YES...  you will have some yellowing...    Using UV ink and kepping it out of the sunlight will reduce or eliminate the yellowing.    I used NON UV Ink on my marquee and the light is pretty much on ALL the time and I have had no yellowing thus far...  HTH

Camper

Title: Re: Does White Artwork turn Yellow?
Post by: rikitiki on August 17, 2011, 11:45:13 am

in most cases theres NO white ink
especailly today when having a piece inkjetted
its typically the material used that yellows

Title: Re: Does White Artwork turn Yellow?
Post by: Blanka on August 17, 2011, 11:47:03 am

Bromine flame retardants turn yellow, not the white plastic. Good white laminate or white paint stays very white. Same with good sticker material to print on.
As far as printing concerned: with CMYK print, yellow Ink fades most! So print mostly does not turn yellow, but looses yellow!

Title: Re: Does White Artwork turn Yellow?
Post by: Vigo on August 17, 2011, 12:13:34 pm

All the answers above are correct in my experiance. I have an arcade machine from the early 90's with a lot of white on it...it is still a crisp clean white. It has been kept out of the sun. I'm sure good printing vinyl will keep white under good conditions.

For Marquee, I would use a cool, non-UV creating light source. Hot light bulbs can yellow up a marquee.

Title: Re: Does White Artwork turn Yellow?
Post by: SavannahLion on August 17, 2011, 10:01:03 pm

Quote from: Blanka on August 17, 2011, 11:47:03 am

As far as printing concerned: with CMYK print, yellow Ink fades most! So print mostly does not turn yellow, but looses yellows.

I really thought it was red. To read the preservation notes this is the color to watch. Is there a different printing method such as....  RGB?  One that predates CMYK?

Quote from: Vigo on August 17, 2011, 12:13:34 pm

For Marquee, I would use a cool, non-UV creating light source. Hot light bulbs can yellow up a marquee.

Fluorescents and CFL produce measurable UV.  Light damage also accumulates so for one hour of exposure in 24 days is the equal to the damage caused by exposing the same to 24 hours of light in a single day. It sounds patently obvious when I say it but it helps to realize that leaving something exposed to UV for an entire month 24/7 is the going to shorten the life the same as the person who only exposes it to an hour each day for two years.