LWC (Light coatad Paper) is also called low-coated paper. In Taiwan Province, it is called book paper or lightweight coated paper.
This kind of paper is a lower-quantity coated paper. A thin layer of paint (made of calcium carbonate, cationic cations, etc.) is added to the front and back of the base paper and then supercalendered to improve its physical properties and printability. The fiber raw material for light weight coated paper is 40% needle bleach chemical pulp and 60% mechanical wood pulp (or TMP, CTMP). This ratio can greatly reduce the production cost. The basis weight is generally 40-50 g/m2, and the coating weight is 6-10 g/m2 per side. Light weight coated paper is a species that is between coated paper and offset paper. Its color printing effect is comparable to that of coated paper, and it has good opacity and smoothness as well as high gloss. Due to the incorporation of cheap mechanical pulp, its cost is reduced by more than 30% compared to coated paper. In addition, the light coated paper is lighter than coated paper, which can reduce the postage of Airmail, and is very popular among magazines, newspapers, and book publishers in the world or in large-scale distribution. However, light-coated paper has poor durability and is susceptible to brittle yellowing. Therefore, it is suitable for prints that do not require long-term preservation.
LWC paper is widely used in print magazines, catalogues, advertisements, trademarks, and newspaper specials (insert pages). In the United States, 52% of LWC paper is used to print magazines, 25% of LWC paper is used for catalogs, and 20% is used for printed advertising. In Europe, 42% of LWC paper is used for print magazines, 36% for advertising and 22% for catalogs. Nowadays, merchandise trade in developed countries and regions in the world mostly depends on the propaganda effect of advertisements. In order to pursue high efficiency and low cost, mail-order business develops rapidly. According to reports, the mail-order business in the world is currently concentrated in the United States, Europe, and Europe. In Japan, the largest mail-order markets are the United States, Germany, Japan, France, and the United Kingdom. These five countries account for 90% of the total global mail-order market turnover. It seems that this type of transaction is in the ascendant and there are further developments in the world. Trends, and lightweight coated paper can be very useful in the mail-order business.
In China, the production volume of this product is small, and the quality is not high. In recent years, some companies have been optimistic about this type of paper, and increased the investment and development efforts. Such as: Shandong Chenming Group research and development of low-quantity coated paper, the quality reached the international first-class level, to fill the national gap, its good printability and quality won the favor of foreign investors, following the Hong Kong Yuhe company orders, Japan and morning Ming company has signed an export contract of 50,000 tons, only this one can export more than 4000-6000 million US dollars. At present, Shandong Huatai Group East Construction Paper Co., Ltd., with an annual production capacity of 35,000 tons of light-weight coated paper, will be completed soon. The machine is supplied by Voith Sulzer with a headbox and a homogenizer, as well as a Speed ​​Coates coater and soft calendering. The machine has a roll width of 2.64 meters, a speed of 550 meters per minute, a basis weight of 40-80 g/m2, and a raw material of chemical wood pulp. The two companies increase the production of light weight coated paper, which will make papermaking in China New breakthroughs have emerged in the industry.
This kind of paper is a lower-quantity coated paper. A thin layer of paint (made of calcium carbonate, cationic cations, etc.) is added to the front and back of the base paper and then supercalendered to improve its physical properties and printability. The fiber raw material for light weight coated paper is 40% needle bleach chemical pulp and 60% mechanical wood pulp (or TMP, CTMP). This ratio can greatly reduce the production cost. The basis weight is generally 40-50 g/m2, and the coating weight is 6-10 g/m2 per side. Light weight coated paper is a species that is between coated paper and offset paper. Its color printing effect is comparable to that of coated paper, and it has good opacity and smoothness as well as high gloss. Due to the incorporation of cheap mechanical pulp, its cost is reduced by more than 30% compared to coated paper. In addition, the light coated paper is lighter than coated paper, which can reduce the postage of Airmail, and is very popular among magazines, newspapers, and book publishers in the world or in large-scale distribution. However, light-coated paper has poor durability and is susceptible to brittle yellowing. Therefore, it is suitable for prints that do not require long-term preservation.
LWC paper is widely used in print magazines, catalogues, advertisements, trademarks, and newspaper specials (insert pages). In the United States, 52% of LWC paper is used to print magazines, 25% of LWC paper is used for catalogs, and 20% is used for printed advertising. In Europe, 42% of LWC paper is used for print magazines, 36% for advertising and 22% for catalogs. Nowadays, merchandise trade in developed countries and regions in the world mostly depends on the propaganda effect of advertisements. In order to pursue high efficiency and low cost, mail-order business develops rapidly. According to reports, the mail-order business in the world is currently concentrated in the United States, Europe, and Europe. In Japan, the largest mail-order markets are the United States, Germany, Japan, France, and the United Kingdom. These five countries account for 90% of the total global mail-order market turnover. It seems that this type of transaction is in the ascendant and there are further developments in the world. Trends, and lightweight coated paper can be very useful in the mail-order business.
In China, the production volume of this product is small, and the quality is not high. In recent years, some companies have been optimistic about this type of paper, and increased the investment and development efforts. Such as: Shandong Chenming Group research and development of low-quantity coated paper, the quality reached the international first-class level, to fill the national gap, its good printability and quality won the favor of foreign investors, following the Hong Kong Yuhe company orders, Japan and morning Ming company has signed an export contract of 50,000 tons, only this one can export more than 4000-6000 million US dollars. At present, Shandong Huatai Group East Construction Paper Co., Ltd., with an annual production capacity of 35,000 tons of light-weight coated paper, will be completed soon. The machine is supplied by Voith Sulzer with a headbox and a homogenizer, as well as a Speed ​​Coates coater and soft calendering. The machine has a roll width of 2.64 meters, a speed of 550 meters per minute, a basis weight of 40-80 g/m2, and a raw material of chemical wood pulp. The two companies increase the production of light weight coated paper, which will make papermaking in China New breakthroughs have emerged in the industry.
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