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 by a “round machine”; with this type of processing the paper is very porous, not pressed (calendered) too much to allow maximum air flow and prevent the formation of potentially harmful gases; Therefore, this paper can be safely used for storing all types of photographic material, whether negatives or prints, no matter what photographic technique is used. Although mainly intended for the storage of photographic materials, paper, textiles, historical documents, stamps, coins, archaeological objects or high-quality material and a non-alkaline environment.
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