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Optical brighteners, optical brightening agents (OBAs), fluorescent brightening agents (FBAs) or fluorescent whitening agents (FWAs) are chemical ...Shaoxing Chenhao Chemical Co. Limited
1. When used in dyeing industry, add directly into the dyeing bath, solved with water then can be in use. the dosage is 0.08-0.3%, bath ration: 1:40, ...Hangzhou Jiekai Chemical Company Limited
Optical Brightening Agent OB Chemical Name 2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene CAS No. 7128-64-5 C.I. No. 184 Structural Formula ...Nanjing Sannuo Chem Co. Limited
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