Dry mount press unglossed my paper????

sam_m

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The brief version of this post should read:

"Has anyone ever had a glossy inkjet print dry mounted and then have it lose its glossiness??"


The long version follows:

I'm trying to work out what has happened to a couple of prints I had dry mounted recently. They were printed on "Harman Gloss FB Al", one of the new Baryta inkjet papers, on an Epson r2400, using photo black and all Epson genuine inks.

Since getting them back from the framer, both of them look like they've been printed on a matt surface (they aren't behind glass, so I can see and touch the surface).

Now I know you're probably thinking, 'must have printed them on the wrong side of the paper!' but I'm absolutely positive I didn't! If it was only one of the two prints that looked this way then I'd have said the same thing, but the prints were made at different times of the day, one in the morning and one in the afternoon, so I just don't think I'd have made that mistake twice! I've used the paper a lot and I know which side is which, it's kind of hard to miss the gloss.

I've compared the back side of the paper to the dry mounted photos and the surface isn't the same, the back of the paper is smooth, and the prints look like they have a slight texture to them, almost like they were matt prints that were sprayed with something.

My thoughts are that the press was set to too high a temperature and this has done something to the surface, but is this possible?

The other possibility is that there were two sheets of paper in my pack that weren't the same paper, but all the other sheets left in the pack look fine, so I think that's pretty unlikely.

I've also had prints made on the same paper mounted by the same place before and they look fine. Reason I haven't gone back to them is they aren't open on the weekend and I'm going overseas on Monday and it's really bugging me!

Any thought's??? And sorry for the long post, thanks for reading if you've got this far!
 
as a picture framer i can tell you that they probably drymounted your pictures in a heat press with d/m tissue. you have to heat the tissue up to about 150-170 degrees to get a sure bond. when you do this, the heat seems to melt the surface and change the appearance of the photo paper.

if you want to mount them in the future, tell them to use a 3M spray photo mount and put it in a cold press, not a hot press, with light vacuum.

if you want your photographs to last forever, just hinge them in their mats with filmoplast p90 tape. it's removable and acid free unlike any of the drymounting adhesives.

bob
 
Thanks Bob, so the heat can affect the surface!

By hingeing the prints, do you mean using this tape just along one edge? Is the weight of the matt over the top enough to keep it flat? I'm using 13x19 sheets, printing to 10x15.
 
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