Optical Brightener Agent HS-08B Typical Data Composition Diphenylethylene derivatives Appearance Yellow and green powder Ionic character Anionic Color Shade Blueshade Properties l Suitable for whitening and brightening cotton, cotton yarn, hemp and nylon fabrics; l Not only suitable for dyeing exhaust process and also for padding process; l Bright color shade; Excellent washing fastness; l Stable with peroxide, can brighting in one bath; Application I For cotton normal brighting process: OBA HS-08B 0.1-0.3% o.w.f; Sodium Sulfate 0-10g/L Process: 90-100 for 20-30mins Bath ratio: 1:10-20 II For cotton peroxiding and brighting in on bath: OBA HS-08B 0.1-0.5% Sodium Hydroxide(30%) 1-4g/L Hydrogen Peroxide (27.5%) 4-8g/L Sodium Silicate 10-15g/L Washing Agent 0.5-1g/L Process: 100 for 30-45mins Bath ratio: 1:10-20 III For T/C blends fabrics: A. Oxygen Bleaching process: Washing Agent 0.5-1.0g/L Hydrogen Peroxide (27.5%): 4-8g/L Sodium Hydroxide(30%) 1-4g/L Sodium Silicate 10-15g/L Process: 100 for 30-45mins Bath ratio: 1:10-20 B. Brighting process for polyester: OBA HS-06EB 0.2-0.8% o.w.f Dispersing Agent 0.5g/L Process: 110-130 for 30mins Bath ratio: 1:10-20 C. Brighting process for cotton: OBA HS-08B 0.1-0.3% o.w.f; Sodium Sulfate 0-5g/L Process: 90-100 for 20-30mins Bath ratio: 1:10-20 NoticeShould diluted by hot water, and should dissolved fully before add into the dyeing bath. Packing & Storage 50Kg in one iron drum or 25kg in one carton; can be stored for 6 months under 535,cool and dry conditions. All technical information quoted above is based on our experience, but is not given with guarantee and obligation. Recommendations on the application and use of HS-08B should be adapted to the particular conditions and materials employed.