
Honeycomb paperboard, regardless of its thickness, is made of honeycomb paper core and two layers of paperboard bonded by adhesive. It belongs to a composite paperboard with three-layer structure. The thickness of honeycomb paperboard depends on the height of honeycomb core paper. Moreover, it can adjust the thickness of honeycomb paperboard by appropriately changing the size of the height direction of honeycomb core.
Generally speaking, honeycomb paperboard has higher requirements for water resistance, burst resistance, tear and flexibility of base paper. Moreover, the base paper manufacturing technology of honeycomb paperboard is relatively difficult After, there are also great differences in the application performance between honeycomb paperboard and corrugated paperboard. Compared with corrugated paperboard, honeycomb paperboard has the characteristics of light weight, strong compression and folding resistance. The quality of honeycomb paperboard with the same thickness is only about 70% of that of corrugated paperboard with the same area. The special structure of honeycomb paperboard makes the plane pressure about twice as large as that of corrugated paperboard with the same thickness.
But the cost of honeycomb paperboard is higher than that of corrugated paperboard. Although honeycomb paperboard saves more materials than corrugated paperboard, it has relatively high requirements for base paper, so the production cost is also relatively high. Moreover, the manufacturing of honeycomb paperboard is difficult, so its comprehensive cost is relatively high. Moreover, the emergence and development time of corrugated board is relatively long, and the emergence of honeycomb paperboard is relatively late. Therefore, the manufacturing technology and production equipment are not as good as corrugated board. It still has many deficiencies in technology and needs to be further improved.
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