BERNINI

“Bernini” envelopes are made from Duralong Cotton paper 100% cotton, unbuffered, high-purity paper, containing no chemicals whatsoever. It`s produced with a "round machine"; with this type of processing the paper is not too pressed (un-calendered) very porous to allow maximum air flow and prevent any potentially harmful build up of gases. “Bernini” envelopes are ideal for the storage of the most sensitive photographic materials, such as films and microfiches. TECHNICAL SPECIFICATIONS • 100% pure cotton fibre • Unbuffered • pH 6.7 - 7,0 • Uncalendered surface to allow maximum airflow • Sulfur <0,0001%