Kraft paper, used as packaging material. High strength. It is usually yellowish brown. Semi-bleached or fully bleached kraft pulp is light brown, cream or white. Quantitative 80 ~ 120g/m2. The fracture length is generally over 6000 meters. High tear strength, breaking work and dynamic strength. Most of them are roll papers, but there are also flat papers. Kraft softwood pulp was used as raw material to make pulp and paper in fourdrinier machine. It can be used as cement bag paper, envelope paper, adhesive paper, asphalt paper, cable protection paper, insulating paper, etc.
Black cardboard, PH neutral, environmental protection dye, 100% recyclable, pollution-free, color difference on both sides, black interlayer, commercial raw wood pulp, super high stiffness, perfect smoothness and smoothness, strong tensile force, 80-700g per gram at a time, over 700g can be loaded. Black cardboard has full wood pulp black card and double-sided black card, with fine paper surface and good printing effect. Suitable for high-end product packaging, high-end gift boxes, mobile phone boxes, manuals, etc.