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This is to illustrate our experience of developing mangrove for the use of coated paper and woodfree printing paper. Mangrove species harvested in South-east Asia are generally lager in wood density and have very thick fibrous membranes which deteriorate papermaking suitability, although they cause no problem in cooking and bleaching with sulphate pulping process. When paper is made from hardwood pulp only, which is the case with KANZAKI, papermaking suitability of mangrove pulp has to be more improved. We achieved this purpose through beating by the use of refier of stone bar.