Whitening agent PS-D 

Technical indicators: 

Appearance: light yellow dispersion 
Fluorescence intensity: 255-275 

Main components: 

Double styrene derivatives 

Performance and features: 

The product has to use less, improve whiteness, advantages of hair color temperature, is highly desirable in warm polyester hair color type fluorescent brighteners. 

Scope: 

Mainly used for polyester and blended fabrics whiten and brighten, especially for padding ﹑ temperature or high temperature dip process. 

Usage: 

Padding melt method: the amount 1-3g / l 

Process: Second Baptist two rolls (rolled more than 70%) → pre-drying (100 ℃) → baking (170-200 ℃ × 60 sec) 

Dip method: the amount 0.1-0.3g / l (owf) 

Bath ratio: 1: 10-30 

Dyeing temperature: 98-110 ℃ 

Holding time: 30-60 minutes 

PH: 6-13