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What is Diasec ?
What is Diasec ?
Diasec is a patented process used for facemounting prints like photographs on acrylic glass. The process was invented by Heinz Sovilla-Brulhart in 1969.

Because of the different light penetration and refraction of acrylic glass compared to normal glass, the colours are more brilliant and the image sharper than compared to standard glass in a picture frame. A Diasec mount is usually of a high gloss finish. Because the print is glued to the acrylic glass, the result is a completely flat mount of the image.

The print is also resistant to ultraviolet (UV) light because of the properties of acrylic glass. There are other processes to achieve similar results, these are in the photographic or art world sometimes also called Diasec prints. Diasec is however a registered trademark.


The whole process is dedicated to mounting the print without air bubbles or smears. The image is face mounted and bonded to the acrylic glass with a silicone sealant. The silicone sealant, which has a consistency of a gel, acts as a glue between the print and the acrylic glass.

Normally the print is placed on a carrier at the backside. This is usually dibond, a composite plate of aluminium and plastic. Aluminium or other materials are also possible. If the print has to be backlit, translucent materials are necessary.
[edit] Uses

The Diasec prints are used by some photographers to present their work. Andreas Gursky mounted "99 Cent II Diptychon", the most expensive photograph ever, on acrylic glass, probably with the Diasec process.

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