Copper powder and their products should be stored at room temperature and dry environment; the unused portion of the copper powder should be sealed immediately. Otherwise Gold imports of copper powder, copper powder due to prolonged exposure to air oxidation and deterioration. 200 mesh copper powder: fly gold, fabric printing gold Yiwu Gold bronze powder, suitable for fast printing. Features: high light, strong metal. 400 mesh copper powder: fly gold, gold lacquer, fabric printing gold Gold bronze powder, also suitable for screen printing, wallpaper, paint and incorporated into plastics. Features: high light, strong metal. Gold bronze powder quality materials, printing and other industries; the root causes of waterborne copper powder corrosion and hue change is due to oxygen reactions occur in weakly alkaline aqueous solution. Organic acids and SiO2 coated copper powder can effectively inhibit oxygen corrosion of copper powder, citric acid, which can be generated with a metal chelate, the best corrosion inhibition efficiency reached 95.83%, followed by ascorbic acid 90.28 %. Gold imports of copper powder, pigment Pengfei quality suppliers (certified), Gold bronze powder provided by Yiwu Pengfei pigments Limited. Yiwu Pengfei Pigment Co., Ltd. (www.1688.com/company/ywpfyl.html) Zhejiang Jinhua, inorganic pigments leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Pengfei pigment in leadership with the staff warmly welcome all inquiries negotiations to create a better future Pengfei pigment.