high efficiency optical brightener EBF Liquid CI 185 12224-41-8 PURITY 20% Light yellow liquid polyster auxiliary

FLUORESCENT BRIGHTENER EBF Liquid

C.I. 185 CAS: 12224-41-8

STRUCTURE:

MOLECULAR FORMULA: C₁₈H₁₀N₂ O₂S

SUBSTANCE NAME:

2,2'-(2,5-Thiophenediyl)bis-benzoxazole

MOLECULAR WEIGHT:1128.1(As International relative Atom Mass 2005)

Max UV ABSORPTION WAVELENGHTH: 349±1nm

EXCUTIVE STANDARD: HG/T 3970-2007

SPECIFICATIONS:

PROPERTY:

At present,EBF is a whitening agent(Optical Brightener) with blue white shade commonly used for polyester,acetate triacetate fibers Jinglun,polyvinyl chloride fibers and their blends in all stages of process both at home and abroad due to its fastness.The product can also ued for whitening plastics,coatings etc.It is similar to Uvitex EBF made in foreign country.

USEAGE:

EBF is suitable for whitening polyester fabrics or cellulose/polyester blends Fabrics.The product is compatible with high temperature-pressure exhauting-dyeing process,low temperature exhausting & fixing pad dyeing and continuous processes.
Dosage:The high concentrated commercial EBF 0.2-1.0%(O.W.f)

PACKAGE AND STORAGE:

1000 kg, 200 kg or 50 kg plastic drum, or for the special demand. Should be stored cool, dry and ventilate place, and storage peroid should not exceed 6 months.