Today, more than ever, different variety of paper are produced for different usages. That is why paper has many kinds and each one is used for a special purpose. All papers are categorized according to their different specifications, such as weight, thickness, transparency, strength, etc.
Cellulose fiber is the most elementary and essential component of paper, and the quality and size of cellulose fibers are important considerations in the papermaking process.
High Quality of the paper depends to the cellulose content of a paper pulp. In natural, cellulose fibers are bound together with another substance called lignin. the elimination of which by chemical or mechanical means greatly modify and improve paper quality.