Optical Brightening Agent DBT Chemical name Stilbene derivative Structural formula Specification Appearance: White powder Fluorescent Color: Similar to the standard sample Whitening strength: 100±3( compared with standard sample) Moisture: ≤6% Ionic character anionic Treating process: Exhausting whitening process: DBT: 0.05-0.3% (o.w.f.), bath ratio: 1:5-30, dyeing temperature: 40°C -100°C; Na2SO4:0-10g/l, start temperature :30°C , heating rate:1-2°C /min, keep the temperature at 50-100℃ for 20-40min, then lower to 50-30°C --> wash-->dry( 100°C ) --> setting (120°C -150°C )×1-2 min( add proper amount leveling agent according to the leveling effect). Use: Mainly be used as brightener of cotton, linen, silk, polyamide fiber, wool and paper. Package: It is packed in 20Kgs paper board bucket. It can be packed according to the requirement of the user.
Mainly be used as brightener of cotton, linen, silk, polyamide fiber, wool and paper