Cotton paper

This paper, characterized by exceptional quality, is the most expensive Beskid Plus offers. This material does not contain an alkaline agent - calcium carbonate - owing to which it is perfectly neutral and can come into contact with chemically "agressive" photographic materials. It is used to make such storage products as enclosures and envelopes for the storage of photographs, negatives, or glass plate negatives. 

• Cotton paper:
  - PAT certificate
  - 100% cotton cellulose
  - pH 7.0
  - colour: white
  - Kappa number < 5
  - water absorbency: Cobb60 < 25 g/m2
  - no dye migration
  - no optical brighteners
  - grammages: 95 and 120 g/m2