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What are the types of Stone carton boards?

2022-04-09

Stone carton board can be divided into the following five types:
1. The cardboard composed of a layer of core paper and kraft card is called Stone carton board. The cardboard of Stone carton board is generally only used for cushioning, spacing and wrapping irregular shaped objects.
2. The cardboard composed of one layer of core paper and two layers of kraft cards is called "single pit cardboard".
3. The two-layer core paper sandwiched in the three-layer kraft card is called "double-pit cardboard". Double pit cardboard can be composed of pit papers with different pit widths and different paper qualities, such as "B" pit paper and "C" pit paper.
4. The three-layer core paper sandwiched in the four-layer kraft card is called "Stone carton board 3mm".

5. The extra-strength double-body cardboard is developed from the single-pit cardboard, and a layer of core paper in the middle is made of two thick core papers stacked together.