Invisible fluorescent ink known as colorless fluorescent ink. It and temperature change ink (or heat-sensitive ink), daylight color ink, ink penetration, metal color ink, anti-altered ink, fluorescent wholesale address, a common component of the current domestic security ink. Where invisible ink technology is mature, stable quality, variety and diverse printing plant by many other advantages for its acceptance. In ordinary light under fluorescent ink is colorless and transparent colorless or nearly white. Printed on paper or plastic film is not significant color. Colorless fluorescent ink only in the following specific conditions in order to decrease the prints; 1, pattern or change the color of text lines; 2, printed in fluorescent ink preferably have the background of the site, help cover the fluorescent ink traces; 3, select good absorbent paper, phosphor wholesale, invoice special paper ink absorption performance than bond paper and paper jams. 4, there are special requirements for invisibility printed materials, you can print the first colorless ink. Use features excellent phosphor wholesale factory, light and high-quality, good flash result, good stability bronze powder, stable color, not black, phosphor wholesale purchasing, strong sense of metal, temperature, weather, solvent paint bronze powder, fair price, for the green hue of gold, red gold, gold, bronze, copper powder (also known as copper). Phosphor wholesale price | phosphor wholesale | Yiwu Pengfei Pengfei pigment by pigment Limited. Yiwu Pengfei Pigment Co., Ltd. (www.1688.com/company/ywpfyl.html)(www.4000881771.com) strong, credible, Jinhua in Zhejiang organic pigment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Pengfei into the brilliant pigment and you work for a better future!