Writing paper
this is uncoated paper, suitable for printing or other graphic purposes, where at least 90% of the fibre used comes from chemical pulp. Uncoated woodfree paperas this is known ascan be made from a variety of different fibre blends, with variable levels of mineral filler and a range of finishing processes such as sizing,calendering, machine-glazing and watermarking. This grade includes most office papers, such as business forms, copier, computer, stationery and book papers.
Printing paper
also known as coated paper, is all paper suitable for printing or other graphic purposes and coated on one or both sides with minerals such as china clay (kaolin) or calcium carbonate. Coating may be done by a variety of methods, both on-machine and off-machine, and may be supplemented by super-calendering.