Optical Brightener BHT for Cotton

Chemical Name: Optical Brightener BHT Molecular Formula: C40H42N12O10S2Na2 Molecular Weight: 960 Structure:   C.I. NO:113   CAS Number: 12768-92-2 Specification Appearance: Yellowish powder PH Value(1%solution): 6~8 E Value: 530±10 Ionic character: anionic Performance and Features： 1. Convenient in application, diluted with water. 2. It can be directly added into the paper pulp,but in the course of adding, should avoid adding together with the other cationic chemicals or directly contact, mix. Adding in the pulp,the proportion based on weight of between oba and absolute dry paper pulp is 0.05％～1.5％。 3. It can be used in cotton , dosage:  0.05-0.4% (o.w.f.); Liquor ratio: 1:10-30; Temperature: 80℃~100℃  30~60min ; Package and Storage 1. 25kg bag. 2. Store the product in a cool, dry, well-ventilated area away from incompatible materials.