In our daily work, copy paper or printing paper is often used. There are many specifications for copy paper . The most common contact we should touch is the A4 copy paper specification . The documents of the general electronic file are also the printing specifications with the A4 standard as the standard. In fact, in addition to the A4, there are some other copy paper specifications that are common in our daily use.
So what is the specification of copy paper? The specification is actually the size of the paper. It is also how long and how wide. We will also say "how much paper is opened" in spoken language, which means that the specifications of the paper are. According to the different format of the paper, the paper specifications are mainly divided into three series: A, B, and C. The specifications of the copy paper are mainly concentrated in the first two series. There is also a kind of copy paper in China that is in the K series. Then, for the three series A, B, and K, the size of the front A and B series is followed, and the latter specification is the general one of the previous specifications. Take the A3 and A4 that we most often contact, A3 paper. The size is twice as large as A4 paper. Similarly, B3 is twice as large as B4. The size of the K series is reversed, and the 1K paper is equal to the 2k size of the two.
As mentioned above, there are so many differences between the sizes of A and B papers. Let's talk about the size of papers that are commonly used in copy paper specifications . Now the standard paper length and width units are mainly MM, A paper size is 841mm wide and 1189mm long. Our common A series copy paper specifications , A4 paper specifications: length 297mm, width 210mm; A3 paper specifications: length 420mm, width 297mm; A5 paper specifications: length 210mm, width is 148mm; A6 paper specifications are: 148mm long and 105mm wide.
B paper size is 1000mm, length is 1414mm, common B series copy paper specifications , B4 paper specifications are: length 353mm, width is 250mm; B5 paper specifications are: length 250mm, width 176mm; The specifications of B6 paper are: 176mm in length and 125mm in width. Of course, the copy paper of different specifications is mainly used for different purposes.
When choosing copy paper, not only the copy paper specifications , but also the thickness, density and luminosity of the paper are factors to be considered, because there are many companies that make copy paper on the market, and there are many styles, copy paper. Whether it is related to the final finished product is good or not, it is also related to the loss of copying equipment and printing equipment. For example, if the density of the paper is very low, the printed text or image will be blurred and more generated. The confetti is stuck in the copier. For the machine, it is more difficult to clean up after a long time, so the copy paper should be carefully purchased.
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