... wood pulp, 15% broad-leaved wood pulp and 15% European waste paper. Black paper packaging:Equipment specifications:1) Bulk density: 80-400gsm (made ... /g 6) Ring crush compression index: 7.1-8.7N.m/g7) Amount of surface absorbing: 55-60gsm 8) Smoothness: 9 ... , 200gsm, 230gsm,250gsm, 280gsm, 300gsm, 350gsm, 400gsm Inner packing: Kraft paper with filter film 80g-120g, 250pcs/pack150g-230g, 125pcs/pack250g ...