• Researchers have analyzed the possible toxicity of various fluorescent brightener from various angles, including what dose will produce acute toxicity; whether it is irritating to skin and mucous membranes; whether it is carcinogenic, teratogenic, and sudden change after long-term touch; whether It may cause allergies; will it accumulate in animals...


  • Today we will show you how to make optical brightener OB-1 ,there are 3 ways to produce optical brightener OB-1. Optical brightener OB-1 is the product with the best heat resistance among all optical brightener products.


  • This year, the global chemical price has been rising several times and it has become a hot topic. Today, Raytop Chemical will analyze the price trend and trend of optical brighteners in recent years.


  • Masterbatch is a new type of special colorant for polymer materials. This superior coloring performance, energy saving, no dust, no pollution, is widely used in polyethylene, polypropylene, polystyrene, ABS, nylon, PC, PMMA , PET and other resins, produced colorful fibers, clothing, daily-use plastics, wires and cables, household appliances, agricultural films, auto parts and other products.


  • The role of washing fluorescent whitening agent 1. Improve washing effect The detergent added with fluorescent whitening agent can whiten and brighten the washed items, and visually improve the washing effect of the detergent. The use of detergent fabrics with added optical brighteners will make the fabrics washed and whiter and brighter within a certain number of washings, and will increase with the increase of the optical brighteners content in the washing products.


  • What is an optical brightener? Optical brightener also called optical brightening agents (OBAs), fluorescent brightening agents (FBAs), or fluorescent whitening agents (FWAs). What is an optical brightener? Optical brighteners are chemical compounds that absorb light in the ultraviolet and violet region (usually 340-370 nm) of the electromagnetic spectrum, and re-emit light in the blue region (typically 420-470 nm) by fluorescence. What is an optical brightener? Optical brighteners are additives.