noun, noun or participle which takes 'suru'
pulp; fibrous raw material for paper
Usually refers to processed fibrous material, especially wood or recycled-paper pulp used to make paper. As a suru-type noun, practical usage often appears in related forms such as パルプにする or パルプ化する.
この工場では木材からパルプを作っている。
This factory makes pulp from wood.
古紙を水でほぐし
Waste paper is broken down in water and made into pulp.