CN2574891Y
The reinforced sandwich corrugated cardboard includes a panel and a sandwich panel. The panel is a corrugated cardboard panel with a reinforced sandwich layer sandwiched between the panels. The reinforced core layer is a continuous corrugated sandwich layer made of corrugated cardboard, and may also be a corrugated cardboard hollow core cylinder or paper tube made of corrugated cardboard. The hollow core cylinder may be an air core cylinder, a square cylinder, a triangle, a hexagon, an octagon, a trapezoid, or a diamond cylinder. This reinforced sandwich corrugated cardboard structure is reasonable in design and has superior strength. Its strength is equivalent to that of wood, which is more than ten times that of ordinary corrugated cardboard. It also has good shockproof performance, easy production, printability, light weight and recyclability. Etc.
Reinforced corrugated cardboard
May 12 09:05:40, 2024
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