Paper has strong moisture absorption characteristics. When the paper is damp, it will undergo elongation and deformation, and it will seriously produce moldy spots and affect the quality of the product. Therefore, the stack of paper must be clean and dry and well ventilated. When stacking paper, apply a wooden stand up to 25mm from the ground, and do not get too close to the wall. Paper can not be put together with easily deliquesce items, otherwise it will easily absorb moisture and deteriorate. For papers that are not sized, such as newsprint, slate paper, and cardboard, etc., should be protected from moisture during the rainy season. In addition, if the paper is exposed to light, white paper will turn yellow, colored paper will fade, and the paper will become brittle, and it will be prone to cracking. Therefore, it is necessary to prevent exposure when storing paper.
When the general paper is above 38°C, its strength will drop significantly. In order to better ensure the quality of the paper, the relative temperature of the stored paper environment is preferably controlled at about 75%. If the temperature of the indoor (paper storehouse) reaches 39°C, ventilation cooling measures should be taken to prevent embrittlement and deterioration of the paper. Paper is also susceptible to decay by termites and other insects. Therefore, it should be checked carefully. Paper that has been stored for a long time should be flipped in due course. It should be replaced immediately after the floor is damaged by termites.
Usually, the storage period of paper should not exceed one year. Even if the conditions for storing paper are better, if the paper is stored for too long, it will be discolored and deteriorated. If the paper storage time is two years later, the coated paper will be yellowed and decolorized; the newsprint will turn yellow and become brittle; the packaging paper will have discoloration and strength; the yellow board and linerboard will be mildewed and so on. Therefore, when various papers are stored, they must master the principle of advanced selection in order to avoid long-term storage and deterioration.
When the general paper is above 38°C, its strength will drop significantly. In order to better ensure the quality of the paper, the relative temperature of the stored paper environment is preferably controlled at about 75%. If the temperature of the indoor (paper storehouse) reaches 39°C, ventilation cooling measures should be taken to prevent embrittlement and deterioration of the paper. Paper is also susceptible to decay by termites and other insects. Therefore, it should be checked carefully. Paper that has been stored for a long time should be flipped in due course. It should be replaced immediately after the floor is damaged by termites.
Usually, the storage period of paper should not exceed one year. Even if the conditions for storing paper are better, if the paper is stored for too long, it will be discolored and deteriorated. If the paper storage time is two years later, the coated paper will be yellowed and decolorized; the newsprint will turn yellow and become brittle; the packaging paper will have discoloration and strength; the yellow board and linerboard will be mildewed and so on. Therefore, when various papers are stored, they must master the principle of advanced selection in order to avoid long-term storage and deterioration.
Rongqi Ceramic Co., Ltd. , http://www.sz-ceramics.com