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.
参照瓦楞原纸的技术指标，稻草机械浆与一定比例的废纸浆配抄能达到D等级瓦楞原纸的技术要求。