Cartons are in the process of transportation will often encounter some problems, such as the cartons are crushed flat, which will seriously affect the use. To this, we need to take effective measures to increase the strength of the carton. Change the fiber direction: usually paper fiber is parallel to the longitudinal direction of the, this kind of box forming fiber after horizontal direction around the box, and that is a bad direction of carton resistance to stress. Crosslinking, show 90 degrees to make many fibers and machine direction, processing as a result, many fibers under the edge and vertical direction, so it can not increase the fiber and increases the stacking strength. Tight squeeze board: choose to expand paper closely squeeze pressure point on the fiber to the cardboard. And the intensity of board structure more closely, the greater the. High voltage board forming can also help squeezed more moisture from the pulp, but the key is to make the cardboard more closely, the progress of its compressive strength. Fiber stick relay progress: before the paper making and paper to fiber after adding all kinds of crystal chemistry, for progress of the fiber felt, and then advances the compressive strength of corrugated carton. These increase agent containing such as corn, starch, glue, glue and heavy metals, and plastics and urea ( A) Aldehyde resin. Double core board enhancement degree: adhesive can be a brief corn starch adhesive carton, how to strengthen the core paper carton strength to produce a super strength of the crosslinking, pressure molding or practice strength of paper. Dongguan industrial cardboard composite factory research and development, production and sales of industrial composite board. The main products: industrial cardboard, composite board, double gray cardboard, whole gray paper, gray highlights cardboard, coated paper, kraft paper, board, special paper, industrial cardboard, composite board, etc. Our factory has the abundant technical force and professional production team, has been adhering to the 'do customers suitable products, satisfactory service to clients' spirit of enterprise, won the trust of many customers and support. We will continue to high-quality products, satisfactory service to meet the various needs of customers. Warmly welcome new and old customers calls negotiate!
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