TECHNICIAL SPECIFICATIONS
- 100% pure cotton fiber
- Without tampons
- pH 6,7 – 7,0
- Unglazed surface for increased airflow
- Sulfur < 0.0001
Duralong Cotton is 100% cotton, buffer-free, high purity and chemical-free paper. It is produced with a “round machine”; with this type of processing, the paper is not pressed (calendered) too much to allow maximum airflow and avoid potentially harmful gas formation, it is very porous; therefore, this paper can be safely used for storing all types of photographic material, no matter what photographic technique is used, whether negative or print. Although mainly intended for the storage of photographic materials, paper, textiles, historical documents, stamps, coins, archaeological objects or high-quality material and a non-alkaline environment.
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