... -1900mm 2,Area density:20-600gsm 3,Flame retardant Fire-proof paperDescription:Our company is one of ... commonly used as the basic materials for fire-retardant honeycomb board, high standard wall-paper, ... 500-1900mm3, Various wood pulp or mixed pulp-based craft papers, high-strength corrugated boards, A, ... manufacture using the materials customer offers.Flame-retardant testing: Light the paper, and there is ...