Paper and board (paperboard), is a type of unprocessed paper.
The thickness of paper and paperboard is usually between 15gsm-450gsm; above about 150gsm it is called paperboard or paperboard, e.g., coated card is between 157gsm-350gsm, and below 157gsm it is usually called coated paper.
The manufacture of paper and paperboard, according to different paper types, using virgin or recycled fibers, according to a certain ratio, pulping, molding, drying, slitting and other processes manufactured.
Classification of paperboard are: double-glued paper, writing paper, white paperboard, kraft paperboard, colored paperboard, grey board, boxboard and so on.
The uses of paperboard are: food packaging, pharmaceutical and cosmetic packaging, advertising and decoration, book printing and so on.
