Printing Metal - Mottled effect

[JackB]

Do you know something we don't about Justin's abilities lol

If I told you he would have to kill you.
You will probably find that 90% + of the membership have at sometime forgot to remove the protective film off blanks that have them.

Jack.

[bms]

Conde have a video on printing metal... say there are problems with moisture in the metal, so to preheat it a bit to get the moisture out, then print face up/paper down, with light pressure, avoiding too much pressure/bending of the metal (IIRC ... have a search for their video)

How does metal absorb moisture ??? I'm not a scientist but does that defy physics?

[gorgall2]

http://wiki.answers.com/Q/Do_aluminium_ ... sorb_water

[Ian M]

How does metal absorb moisture ??? I'm not a scientist but does that defy physics?

Never seen a rusty car Martin? It can be the surface coating that holds moisture such as paint etc.

[Justin]

....and I'm guessing a plastic covering could make the metal sweat or possibly trap a small amount of moisture against the surface?

[bms]

http://wiki.answers.com/Q/Do_aluminium_ ... sorb_water

Thanks - and the answer at the link says...
"...no metals absorb water since they do not need any water for any purpose."

[bms]

Never seen a rusty car Martin? It can be the surface coating that holds moisture such as paint etc.

Isn't that the metal oxidising rather than holding moisture?

[Ian M]

Isn't that the metal oxidising rather than holding moisture?

A lot of coatings can be quite porous when applied to metals. One good example of this if you put a matt primer coat onto metal & then leave it outside it will start to rust quite quickly due to it holding moisture. A good example is if you leave your car standing a few days & then look at the brake discs you will usually see a light film of rust on them from the moisture they have picked up from the atmosphere. Aluminum oxidises as opposed to rusting & again this is caused by any moisture in the atmosphere, ask any old Land-Rover owner as most of the outer panels are aluminum.

[WorthDoingRight]

You don't suspect that the Titanic may have sunk not because it hit an iceberg but because it got thirsty half way around the world and decided to have a drink? :rolleyes:

[Hyraxx]

did you resolve your problem?