Optical Brightener EBF350 C.I. NO:185

Chemical Name: 2,5-bis-(benzoxazol-2-)thiophene

Molecular Formula:C26H26N2O2S

Molecular Weight: 430.6

Structure:

C.I. NO:185

CAS Number: 7128-64-5

Specification

Appearance:Yellow lightly liquid

Ion:Non-ionic

PH value(10g/l):6.0-8.0

Applications：

It has good fasteness to sunlight and good whiteness in polyester fiber or fabric, with bluish-violet white shade.

It is suitable in the polyester fiber or used in making commercialized Brightener-EB,and used also in various polyolefing plastics,ABS engineering plastics and organic glass to make their color brighter.

Usage

Padding-hot melt process

EBF350 1.5-4.0g/l for pad dyeing process, procedure: one dip one pad( or two dips two pads, pick-up: 70%) →drying→ stentering(170～180℃).

Dipping process EBF350 0.15-0.5%(o.w.f) liquor ratio:1:10-30 optimum temperature: 100-130℃ optimum time :45-60min PH value:5-11(opt acidity)

For getting the optimum effect for application,please try on suitable condition with your equipments and choose the suitable technique.

Please try for compatibility,if using with other auxiliaries.

Package and Storage

1. 25kg drum

2. Store the product in a cool, dry, well-ventilated area away from incompatible materials.