Mechanical pulps are made to different freeness or drainage rates. 机械浆根据不同的游离度和滤水性生产。
Slime pulp is one of the common problems during the process of newsprint making from mechanical pulp, which unfavorably influences the quality of paper and its making process. 机械浆抄造新闻纸过程极易产生腐浆,对抄纸及成纸质量危害极大。