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Enoch dye
ENOCHDYE famous brand under EMPEROR CHEMICAL.It is special dyestuff manufacturer group in china

Disperse blue 257

Product Name:Disperse blue 257

C.I. No.: Disperse blue 257

CAS No.:41622-04-2

Molecular Formula:C21H23BrN6O5

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Molecular Weight:519.34852

Relative Name:Disperse blue s-2rf

Shade:blue powder

 

Disperse Blue 257 Dyeing Fastness(grade) 

 

Testing method

ISO

Testing viber

Polyester

Dry heat

Condition

Medium

Faded

5

Stained

4-5

Light fastness

Light

Carbon arc lamp

Deep color

6

Oxidation resistant nitrogen

5

Perspiration

acid/alkaline

akali

Faded

5

Stained

5

Pleated (steamed)

condition

Medium

fade

5

stained 

5

Washing

condition

ISO4

fade

5

stained

5

Package, 25KG/DRUM, CARTON BOX, BAG

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