optical brightener 199

optical brightener 199 optical brightener 199 Fluorescent Brightener Agent is suitable for polyester fiber and its blended products. optical brightener 199 Can be applied to dip method at low temperature (100 ℃), dip method at high temperature, and padding baking dyeing method. This product optical brightener 199 is a dispersed liquid. Shijiazhuang Taicang New Materials Co., Ltd. is a technology innovation and environmental protection enterprise integration of research,