Ash ash chemical composition of raw materials is a plant fiber material in the inorganic salts, NCR receipts, mainly potassium, sodium, calcium, magnesium, sulfur, phosphorus, silicon salts. Wood ash are between 0.2 to 1.0%, grasses raw ash slightly higher. Usually paper ash content of the raw material has no special needs. However, when the production of electrical insulation paper, NCR, ash must be removed in order to achieve certain quality requirements. Grasses raw materials, NCR production, especially rice straw ash high, Henan NCR, high ash content of SiO2, causing difficulties alkali recovery. Recovery to reduce or eliminate the interference of silicon, which is a problem to be solved. Development of Sui and Tang dynasties, the famous Xuan paper was born. In the main producers of rice paper Anhui XuanZhou there is such a legend: Cai Lun apprentice Kong Dan, in southern Anhui in the paper for the industry, he has always wanted to create a particularly desirable white paper, used for the master to portrait pedigree. But after many times of trials can not get it. Once, he came across in the mountains some sandalwood tree fell on the mountain side, because longstanding, by water erosion was white rot. Later, he used this bark paper, finally successful. It can be concluded: the use of the bark of manufacturing rice paper, in the Tang Dynasty, when it is more prevalent. NCR | carbonless copy paper production | Jinzhou Paper (certified merchants) are provided by Xinxiang City, New Materials Co., Ltd. Jinzhou. Xinxiang City, New Materials Co., Ltd. Jinzhou (www.hnjinzhou.com) located in Xinxiang City, Yu Dong Industrial Zone. Scraps and development in the wave of market economy, Jinzhou Paper currently has a high profile in the paper and paper processing, and enjoys a good reputation. Jinzhou Paper made the whole network business alliance certification, marking our service and management level has reached a new height. Jinzhou Paper staff willing to work with all people of insight and common development, for a better future.