Corrugated paper is a board made of corrugated paper made of corrugated paper and corrugated paper formed by corrugated sticks. It is generally divided into two types: single corrugated cardboard and double corrugated cardboard. According to the size of corrugated: A, B, C , E, F five types.

 

It is pressed into a corrugated shape during the production process, and after being made into corrugated cardboard, it will provide cardboard elasticity, flat compressive strength, and affect the vertical compressive strength and the like. Corrugated paper, the paper surface is flat, the thickness should be consistent, and there should be no paper defects such as wrinkles, cracks and holes, otherwise the breakage of the production process will be increased, which will affect the quality of the product. Corrugated cardboard is made into corrugated boxes by die cutting, indentation, nail box or glue box. Corrugated boxes are one of the most widely used packaging products, and the amount has always been the first of all kinds of packaging products. Includes calcium plastic corrugated boxes.

 

The history of corrugated cardboard

 

Corrugated paperboard began in the late 18th century. At the beginning of the 19th century, due to its light weight and low price, it was widely used, easy to manufacture, and can be recycled or even reused, which led to a significant increase in its application. By the beginning of the 20th century, it had been comprehensively promoted, promoted and applied for packaging and packaging of various commodities. Since packaging containers made of corrugated cardboard have unique properties and advantages for beautifying and protecting the interior goods, they have achieved great success in competition with various packaging materials. It has become one of the main materials for making packaging containers that have been used up to now and are rapidly developing. Hnarts is a professional color paper manufacturer and supplier. Although we do not produce corrugated boxes, we produce all kinds of hand-made corrugated paper. include Rainbow Corrugated Paper, S Waved Corrugated Paper, Printed Corrugated Paper, Solid Color Corrugated Paper, Fluorescent Corrugated Paper, Metallic Corrugated Paper, Glitter Corrugated Paper.