Hello to all:
I want to use my vacuum press to glue reproduction art posters to mdf. My question is , does anyone have input as to what kind of glue to use so as not to damage the heavy paper poster material? Seems to me that h2o in pva glues would not be a good thing. Thanks.
Replies
Most Dry Mount is a paper product impregnated with a glue designed for that purpose.
The typical way was with heat and pressure (a dry mount press)
Newer way, was a product with lower heat, then a flat heavy plate till it cooled.
Also newer was a pressure activated (Coda) system that had rollers.
Finally, last way was a peal & stick paper, like a contact cement, some repositional, most not.
You should check with a commercial photo suppl to see what's available that will fit your need.
Jeff
3M vacumount spray glue is specifically made for this purpose.
The MDF is acidic and will turn your prints brown in a short time. That's why framers don't use it.
Old paper doesn't go brown because it's old - it goes brown because it is in an acidic situation. Wood, unfortunately, is acidic and should be kept away from paper if the paper is to last.
Suggest you mount your prints on foamcore or one of the sign industries plastic boards.
Hi Corners:
Thank you for the heads up on mdf. I will buy the 3m and look for "sign industry" plastic board. I need something more sturdy than foam I think. This idea of mine is for panels in folding screens that will be veneered on the backside with the artwork on front. Rubb.
The board used by sign shops is called "Sintra" - tough stuff. I also suggest you have a mat laminate surface drymounted on the front to protect the prints.
Hi Corners:
thank you for the help. OK so what is mat laminate surface? Sounds like a good thing to do, but I am out of my league here. Know some stuff about making sawdust, but not much about art. Rubb.
It's used by frameshops and photo labs as an alternate to glass. It's a clear and about 3 thou thick mat plastic that is permanently attached to the front of reproductions to protect it. I reccomend it. It's light, non glare, and can be washed with a damp cloth if needed. It's applied in a drymounting press under a bit of pressure and heat. There is also a cold mounted version available which is applied by a roller press system. The hot version which is the most durable is available at good custom frameshops at about 3 bucks a square foot. The cold version at pro photo labs at a slightly higher price. For screens such as you are building I think this would be a good solution. I have used it on screens myself.
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