Sulfur free paper, also known as acid-free paper, is a type of paper that is manufactured without the use of sulfur-based compounds. It is specifically designed to have a neutral pH level, which helps to prevent degradation and yellowing over time. Sulfur free paper is widely used in archival and preservation applications where long-term durability and preservation of important documents are crucial.
One of the main advantages of sulfur free paper is its resistance to acidification. Traditional papers often contain sulfur, which can react with moisture in the air to form sulfuric acid. This acid can cause the paper to become brittle, discolored, and prone to deterioration. Sulfur free paper, on the other hand, eliminates this potential issue by excluding sulfur-based compounds from its production process.
By removing sulfur from the papermaking process, sulfur free paper offers several benefits. Firstly, it ensures the longevity of documents and artworks. Acidic paper can deteriorate over time, leading to the loss of valuable information or historical significance. Sulfur free paper, with its neutral pH, maintains the integrity of the paper and prevents yellowing or brittleness.