Q.1023: Why rag paper is considered long lasting?
Rag paper contain cotton fiber from one or more of following sources;
- Cotton linter
- rag/old cloth
- cloth cutting
- textile mill waste etc.
Cotton is the purest form of cellulose available naturally and cotton fiber if not longest, is one of the longest fiber( 20 - 35 mm compared to soft wood fiber length of 4 mm) . These two properties i.e. purity of cellulose fiber and long length, make paper long lasting and strong.