Writing paper you used it? You'll be used. As social and economic development and progress, people's quality of writing paper have become increasingly demanding, writing paper use is increasingly widespread, sometimes used in place of offset paper and writing paper. Writing paper original rosin sizing process and sizing effect can not meet the needs of the market; in addition, the market price of rapid gains rosin writing paper material, anion dispersed rosin prices have risen, the cost of writing paper sizing also significantly increase. Thus, writing paper applications AKD neutral sizing agent has not only the needs of the market, but also their own survival, development needs. Advantages of alkaline sizing and more obvious: the paper at high pH papermaking writing paper use, reduce corrosion equipment; fiber to get a good swell writing paper, strength greatly improved; filler content increased, the paper dry and easy ; speed increase, increase productivity, reduce energy consumption, reduce pollution; and avoid the use of aluminum sulfate to paper yellowing, brittle phenomenon printing and writing paper, paper for easy long-distance transport and long-term preservation. ① Optical Performance Performance whiteness: white or near-white paper surface reflectance of blue light, relative to a standard magnesium oxide board reflectivity expressed as a percentage. ② Opacity: In a single specimen in the "total absorption" reflectance black liner, and a number of sheets completely opaque reflectance samples represent the percentage rate. ③ Transparency: the degree of light through the paper. In the sample can see the ink lines represent the largest number of layers. Optical performance is more important for printing and scanning maps. Printing and writing paper _ Kaifeng Paper (certified) _ writing paper provided by the Xinxiang City Paper Co., Ltd. Kaifeng. Kaifeng, Xinxiang City Paper Co., Ltd. (www.xxkfzy.cn) Henan Xinxiang, a leader in paper and paper processing, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Paper in Kaifeng leadership with the staff warmly welcome all inquiries negotiations to create a better future Kaifeng Paper.