Paper is one of the important materials for printing books and periodicals, so it is very important to keep the paper well. Pay attention to the following items when keeping paper:
(1) When transporting paper, do not throw it down from a high place to avoid loose parts and paper damage. Don't stand the paper upright, lay it flat as far as possible. Web stacking should not be too high, so as not to crush the edge or core of the paper; If the stacking is too high, personal accidents will occur. It is forbidden to use an iron hook when carrying. Roll and push the web according to the arrow.
(2) The open storage time should not be too long, and it should be transported to the warehouse in time.
(3) Damp-proof. The paper is hygroscopic and sensitive to air humidity. The moisture content of the paper changes with the humidity of the air, so the paper should be stored in a clean and dry place. When stacking paper, you should put your feet on it. Do not pile up close to the wall. The relative humidity of the warehouse and workshop for storing paper should be kept at 60% - 70%.
(4) Sun protection. Paper contains lignin, to avoid direct sunlight exposure. After the paper is exposed to the sun, the moisture in the paper evaporates, the paper becomes brittle or deformed, and it cannot be printed on the machine in serious cases.
(5) Heatproof. Paper storage temperature is not easy to be too high. When the temperature exceeds 38 ℃, the strength of the paper decreases significantly, especially the coated paper will bond into blocks and become waste. The temperature of the warehouse and workshop for storing paper should be 18 ~ 20 ℃.
(6) Anti folding. Paper folding package stacking, to absolutely avoid stacking one fold threefold. When stacking, the four sides of the paper can not be staggered protruding, otherwise, the protruding part will be broken, wrinkled, discolored, etc., so the paper should be stacked neatly.