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Duplex Board Grey Back Thin Coating Surface
Aug 28, 2017

Duplex Board Grey Back Thin coating surface

1, gray at the end of white board: gray bottom of the white board is gray, the appearance of a white cardboard. The bottom of the composition is very messy; appearance is white, is a layer of kaolin powder, adhesives and other chemical materials from the thin coating surface.

    Gray whiteboard appearance after coating treatment, both satisfied with the high quality of the colorful print request, but also high profile product packaging box of high quality information. Usually divided into A, B two levels; there are 250 grams -500 g / m ².

Double gray paperboard full name is double gray industrial cardboard, is produced by a recycled waste paper. Commodities are divided into single gray, double gray, all gray, attributed to environmentally friendly packaging materials. Its derivative products are: packaging boxes, advertising boards, bags, hardcover books, storage boxes, samples, liner, partitions and so on.

The scale is the first goal of the cardboard quality specification. Flat paper is the amount of length and width, web quality, width, cardboard scale with mm that. Cardboard tolerance does not exceed ± 3mm. In addition to the specification of the writing is very important, because the paper is usually paper out of the paper texture, texture and the direction of the standard is parallel to the next scale. For example: 787 * 1092 texture direction and 1092 parallel, 700 * 940 texture direction and 940 parallel. Quantification refers to the weight of a square meter area of paper. Usually indicated by g / ㎡. Single gray paper, double gray paper and composite gray plate quantitative up and down the error of +3%, - 5%. To 600g, for example, its quantitative specifications should be between 570g ~ 618g, beyond the scale that is unqualified goods. Thickness refers to the thickness of the cardboard between the two sides of the constant pressure (measured by the pressure of ± 0.1kg) direct measurement of the thickness. Expressed in millimeters or microns. The thickness of the single gray paper, the double gray paper and the composite gray plate is 0.155 mm to 0.16 mm per 100 g. To 600g, for example, its thickness specification between 0.0.93mm ~ 0.96mm. 1, gray at the end of white board: gray bottom of the white board is gray, the appearance of a white cardboard. The bottom of the composition is very messy; appearance is white, is a layer of kaolin powder, adhesives and other chemical materials from the thin coating surface.

    Gray whiteboard appearance after coating treatment, both satisfied with the high quality of the colorful print request, but also high profile product packaging box of high quality information. Usually divided into A, B two levels; there are 250 grams -500 g / m ².