Characteristics of the selection of materials for color box printing

Characteristics of the selection of materials for color box printing

The difference between paper and cardboard?

In accordance with the provisions of the world standardization organization ISO, in principle, the quantitative less than 225 g/m2 of paper is called paper 1 quantitative greater than 225 g/m2 is called cardboard, we Yingli printing is to use cardboard to color box printing, only a very few exceptions. China’s relevant departments have also approved the use of this specification, this provision is man-made, everyone recognized, “customary”, it is difficult to say that the scientific basis. Once upon a time, China’s paper, printing, packaging and other aspects of the book, the division of paper and cardboard from the previous presentation of certain references, such as the quantitative 200g/m2 for the border, said the following for the paper, the above for the cardboard, and to the thickness of 0.1mm to the demarcation line. Less than this number is called paper, more than this number is called cardboard. They are all outdated and I hope they will not be cited again in the future. In the situation of China’s accession to the WTO, with the world, communication information, communication skills will become increasingly frequent operations. Therefore, in accordance with the ISO standard implementation, follow the unified “rules of the game” will bring convenience and benefits.

How are paper and cardboard for color box printing classified according to their usage?

There are many kinds of paper used in the printing profession, and paper and cardboard are generally categorized according to their usage. Paper can be roughly divided into: cultural paper, defense and industrial and agricultural skills paper, packaging paper and daily paper four categories. Cardboard is also broadly divided into four categories: packaging cardboard, industrial skills cardboard, construction cardboard, and printing and decorative cardboard.

What are the two standards of printing paper?

There are many different standards of paper for the printing industry, and generally there are two. One is flatbed paper, also known as single-page paper in the printing industry, which is the “original copy” of the paper roll, through the paper cutter to cut into a certain size of the single member of the paper of the general term. Flatbed paper is used in sheet-fed printing machines. The other is a roll of paper, it is from the paper copying machine tail end of the roll of paper unloaded on the machine, and then by the rewinding machine cut and rolled into a certain width, diameter and quality of the cylindrical roll of paper, this paper is mostly used in rotary printing presses.

What are the scales of common flatbed paper?
According to China’s national standard (GB 147 1989), the scale of newsprint, printing paper, book cover paper, etc., flat paper (width X length) for 787mm X 1092mm; 850mm X 1186mm; 787mm X 960mm; 690mm X 960mm; 880mm X 1092mm and so on. In addition, in recent years, there are 880mm X 1230mm, 889mm X 1194mm, which is the world’s common flat paper scale. In the printing industry in fact the most used flatbed paper scale is the following four: 787mmX 1.092mm (commonly known as small standard, commercial also known as positive degree), 850mmX 1186mm (commonly known as large standard), 880mmX 1230mm (commonly known as special standard), 889mmX 1194mm (commonly known as ultra-standard, commercial also known as large degree)

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