Optical Brightener BA-L by Changzhou Energetic & Reliable is an optical brightener. It offers high- and low temperature storage stability. It is an environmental friendly grade. Optical Brightener... view more

Optical brightener HST by Changzhou Energetic & Reliable is an optical brightener. It offers blue-purple tone, good acid-, sunlight-, alkali- & hard water resistance as well as excellent whitening... view more

Optical brightener KSM by Changzhou Energetic & Reliable is an optical brightener. It offers low substantivity, stability to hard water acid, alkaline, sodium hydrsosulfite and peroxide. Optical... view more