... the leading professional manufacturer and supplier of pulp bleaching agent FAS in China Pulp Bleaching Agent FASPuyang Dingxin Chemical Co., Ltd is ... Fe)10ppm MaxUses:(1)It is one kind excellent pulp and paper bleaching agent, it can be used in reduction bleaching,waster ... stability, it is very suitable for high temperature continual bleaching, and there is good for environment, does not increase the ...