20829

 

OPTICAL BRIGHTENING AGENT VBL

 

GRADE: C.I. NUMBER 85

 

DESCRIPTION: IT IS A KIND OF SLIGHTLY YELLOW POWDER.

 

SPECIFICATIONS:

 

FLUORESCENT INTENSITY

100 (EQUIVALENT TO STANDARD SAMPLE)

COLOR

SIMILAR TO THE STANDARD SAMPLE

WHITENESS

SIMILAR TO THE STANDARD SAMPLE

MOISTURE

5.0% MAX

IMPURITY

0.5% MAX

FINENESS (RESIDUE ON 180μM )

10.0% MAX

 

USES: IT IS MAINLY USED IN BLEACH OF COTTON FIBER, PULP FIBER AND VIVIDNESS ENHANCEMENT FOR PRINTING.

 

PACKING: PACKED IN 25KGS CARDBOARD DRUM.