After proper pretreatment,fines of pulp can be prepared by the way of Bauer-McNett classifier method,DDJ sieving method and wet-sieving method.

• 纸浆细小纤维的制备可以先对纸浆适当预处理,然后采用筛分仪筛分法、DDJ筛分法、湿筛分法等方法进行。