500 identical sheets of paper are called a ream, and the weight of a ream is called the weight of that kind of paper. There are also 480 or 1000 orders in the world. We should pay special attention to this in the international paper business and the use of imported paper.
Quantity is the weight of paper per unit area, expressed in grams per square meter. It is the basic basis for measuring paper. The minimum amount of paper was 25 g / m2, with a maximum of 250 g / m2. The quantity can be divided into dry quantitative and air dried ration. The former refers to the amount of water that is completely dry and water equals zero. The latter refers to the amount of water that is released at a certain moisture level. Usually the term "quantification" refers to the latter. Quantitative determination should be carried out under standard temperature and humidity conditions (temperature 23, 1 degrees above, relative humidity 50 and 2%).
Weight is often used in the printing industry. What we call weight refers to quantity, that is to say, grams per square meter of paper. Weight is a very important parameter of the paper, in terms of technology, the weight is the performances of identification (such as strength, opacity) of the basic conditions; in everyday applications, often use paper weight to the classification level, of course, this does not mean that the more heavy paper a better.
80G paper refers to the weight of paper weight, weight per square meter is the meaning of paper weightThe weight of the paper is usually expressed in two ways. One is quantitative, and the other is called ream weight.
