Product Name: Fluorescent Whitening Agent DT Liquid
C.I. No.: FBA 135
Physical Form: light yellow dispersed liquid
PHYSICAL PROPERTY
Purity(%):min 99
Melting Point(℃):187-189
Volatile conten:≤0.50%
Ash content:≤0.10%
Properties:
Fluorescent Whitening Agent DT is one of the benzoxazole compounds and chemically called 1,2-bis(5-methyl-2-benzoxazle)-ethylene.The pure DT is a light-yellow needle or powder crystal with a melting point of 187-189°C,and the commercial DT is a light yellow dispersed liquid.This product is produced and tested according to Standard HG/T2556-93.
Applications:
Fluorescent Whitening Agent DT is suitable for whitening polyester fiber,polyamide fiber and acetate fiber,or synthetic fiber-cotton,-wool or -silk blend fabric.Light-colored or printed fabric treated with DT looks brighter and more pleasant to eye.This agent also has remarkable whitening effect on various plastics and their products.
Directions for use and dosage:
When used for pad-dyeing polyester-cotton fabric,the most suitable dosage is 25-30g/l.