What is the classification of printing paper, and what are the main types of paper used for printing

The general printing paper is the use of copy paper, the classification of copy paper is divided by size, there are several standards: 1, type A; 2. Type B; 3. K-type, K-type paper is what we often call open paper, and K-type paper is only useful in China. Nowadays, A-type paper is generally used.

Regardless of type A and type B, its classification is like this, for example, A5 is twice as much as A6, A4 is twice as much as A5, A3 is twice as much as A4, B4 is twice as much as B5, B3 is twice as much as B4, and the classification of type K is to divide a large 1k paper into two sheets as 2k, 2k paper into half as 4k, 4k as half as 8k, 8k as half as 16k, 16k as half as 32k, etc.

There are also special printing papers for office use, which are classified according to the size and number of layers of paper, such as 241-1 and 241-2, which represent 1 layer and 2 layers of narrow row printing paper respectively, and of course 3 layers and 4 layers; Commonly used wide-line printing paper also includes 381-1, 381-2, etc.

There are also according to the thickness of the paper, such as 60g, 70g, 75g, 85g, 120g, etc., which refers to the weight of the paper per unit area, because the density of the paper is basically the same, the heavier the weight of the paper per unit area, the thicker the thickness of the paper. For example, the general speed printer uses about 40g of paper, and the all-in-one machine uses 50-60g of paper, and the photocopier uses 70-85g of paper, and the printer generally does not use less than 60g thick paper, otherwise it is easy to jam.

It is classified according to the size of the paper.

Depending on the size of the paper, use width and height, and the unit can be metric or imperial.

The main types of paper used for printing are: coated paper, offset paper, trademark paper, kraft paper, corrugated paper, paper bag paper, cellophane, white cardboard, white cardboard, composite paper, printing paper, fine corrugated, yellow cardboard, boxboard, etc

Self-adhesive paper, glass cardboard, aluminum foil backing paper, corrugated cardboard, other paper packaging.

First, according to the way of work.

It is divided into dot matrix printers, inkjet printers, laser printers, etc. Dot matrix printers print character graphics through physical contact between the printer and the paper, while the latter two print character graphics by jetting toner.

2. According to the use.

Universal printing rock sail machines for office and haulel services, in which dot matrix printers have always been dominant. Because the dot matrix printer has medium resolution and printing speed, cheap consumables, and also has the characteristics of high-speed skipping, multi-copy printing, wide-format printing, and convenient maintenance, it is the preferred model for printing reports and invoices in office and transaction processing.

3. Classification of new printers: Bluetooth printers, home printers, portable printers, and network printers.

There are many types of printer paper:

1. Inkjet printing paper is usually coated with a thin layer of media on the basis of ordinary paper, which makes the paper more shiny and whitish at the same time. There are usually two types of this kind of paper, namely ordinary inkjet printing paper and ** quality inkjet printing paper.

2. Ordinary inkjet printing paperOrdinary inkjet printing paper, this paper is specially designed for general inkjet printing, so the quality of printing is better than that of ordinary copy paper, and it is suitable for printing 360dpi general text and **Chongzhou, which does not have high requirements.

3. **Quality inkjet printing paper**Quality inkjet printing paper, this kind of paper is suitable for 720dpi or even 1440dpi resolution. It is mainly used to print some charts and texts with high accuracy.

4. Printing paper is also coated with a special coating on ordinary paper, which makes the effect of the paper look brighter, and can quickly absorb and solidify the ink with very small particles, so that the color remains bright.

5. Gloss**Paper gloss**Paper is the preferred paper for printing, and its biggest feature is that the surface of the printed paper has a layer of gloss, which is suitable for printing some high-quality **, record sleeves and report covers, etc., which is the perfect carrier for printing**.