Gray cardboard is also called tea cardboard in our daily life.
This is a multi-purpose cardboard.
The quantitative is generally above 120g/m2. His has a relatively high thickness and less tightness.
Uses of gray cardboard
Gray board has very low requirements for raw materials, and waste paper, semi-bleached pulp, and semi-chemical pulp can all be used.
For general products, we can use sandwich paperboard, or use higher-quality paper pulp noodles to produce lined gray paperboard according to different quality requirements.
Used to make packing boxes, paper tubes, etc.
In general, gray cardboard is a kind of cardboard made from recycled waste paper. Products are generally divided into single ash, double ash, and full ash, all of which are environmentally friendly packaging materials. Products derived from all gray cardboard include: packaging boxes, advertising boards, bags, hardcover books, storage boxes, samples, lining boards, partitions, etc.
Gray paperboard has a smooth and flat surface, good stiffness, no shape, no separation, and bending resistance. The quality of high-grade paper is at the price of mid-range paper.