Stronglight reactive dye|Stronglight Kingdery printing dye-Zhejiang Jinguang Industrial Co.,Ltd

Fluorescent brightener 4BK

Uses:	For cotton, cotton, hemp, nylon fabric whitening and brightening treatment, with certain anti-UV performance
Composition:	Stilbene-triazine-type double
Nature:	Appearance: yellow powder (red light) gray-green powder (Blu-ray) Ion: anionic
Features:	Widely used, the higher affinity for the fabric, very suitable for the impregnation process. Stable unique shade, excellent wash fastness with less, higher whiteness of oxides, alkali resistance stable, one-bath whitening
Application:	Cotton whitening process: Dosage: Fluorescent brightener 4BK 0.2-0.6% Sodium Sulfate 5-10 g / L Bath ratio: 1: 10-20 Temperature Time: 90-100 ° Cx 20-30 minutes cotton oxygen bleaching whitening a bath: Dosage: Fluorescent brightener 4BK 0.1-0.6% sodium hydroxide 30% 1-4 g / L of hydrogen peroxide 35% 4-8 g / L Oxygen bleaching stabilizer G-100 0.5-1 g / L (sodium 10-15g / L) scouring agent 0.5-1 g / L Bath ratio: 1: 10-20 Temperature Time: 100 ° C × 30-50 minutes polyester / cotton blended fabric whitening a bath processing: Dosage: scouring agent 0.5-1 g / L sodium hydroxide, 30% 1-4 g / L of hydrogen peroxide 35% 4-8.9g / L Oxygen bleaching stabilizer G-100 0.5-1 g / L (sodium 10-15g / l) bath ratio 1: 10-20 Temperature Time: 100 ° C x 30-50 minutes polyester whitening process: Dosage: Fluorescent brightener 4BK 0.2-0.8% colloidal Dispersant 0.5 g / L Bath ratio: 1: 10-20 Temperature Time: 110-130 ° C x 30 分钟
Storage:	Sealed dark can be stored for 24 months Packing: 50kg barrel