Photographic archival boards
Normally the difference between photographic archival board and conventional archival board is the lack of alkaline buffer. This board is generally dyed natural white throughout, without optical brightening agents and with a pH of 7.0. Boards without alkaline buffer are generally used in direct contact with photographic layers. All KLUG-CONSERVATION boards, as well as the majority of other products of the company, have passed the Photographic Activity Test (PAT) compliant to ISO 18916.
89 – natural white, without an alkaline buffer
A natural white, solid colour (dyed throughout) photographic archival board without an alkaline buffer, and with a pH of 7. Suitable for conservation-quality framing, mounting and for the presentation of photographs and other kinds of photographic material. The board is free of optical brightening agents and has passed the Photographic Activity Test (PAT) in accordance with ISO 18916.» to the product