Gray cardboard is also called tea cardboard.
A versatile cardboard.
The ration is generally above 120g/m2. Thicker and tighter.
The quality requirements for raw materials are low, and waste paper, semi-bleached pulp, and semi-chemical pulp can all be used.
Most of the use of circular paper machine papermaking.
The product can be sandwiched cardboard or homogeneous cardboard, and can also be used to produce noodle grey cardboard according to different quality requirements.
For the production of packaging boxes, paper tubes and so on.
Gray cardboard is produced from a recycled waste paper. Products are divided into single gray, double gray, all gray, are environmentally friendly packaging materials. All gray board derived products include: packaging boxes, advertising boards, bags, hardcover books, storage boxes, samples, liners, partitions and so on. Â Â Â Â Â Â
Gray cardboard paper surface smooth, good stiffness, the same type, without leaving the layer, resistant to bending, the quality of high-grade paper quality mid-range paper prices.