corrugated raw board

Compared with the technological criteria of corrugated raw board, mechanical pulp of rice straw and wastepaper pulp mixtures in a certain ratio can reach the technological criteria of C grade's or D grade's corrugated raw board.
參照瓦楞原紙的技術(shù)指標(biāo)，稻草機(jī)械漿與一定比例的廢紙漿配抄能達(dá)到D等級(jí)瓦楞原紙的技術(shù)要求。