Papyrus will increase the price for wood-free uncoated papers - office papers, folio sheets and reels by five to eight percent as of April 15. The size of the increase is depending on product grade and profitability.As a merchant, Papyrus acts in the supply chain between paper producers and paper consumers, where balancing margins on product sold, net contribution from delivery services and distribution cost is crucial for maintaining a sustainable operation, the company writes in a press release.Over a period of time Papyrus has seen a continuous margin and profit deterioration within the segment of printing and writing. Increased raw material costs and noticeable changed supply-demand situation has now led to increased prices and constraints in product availability from leading producers of uncoated papers.