0102030405
Reactive Blue 19 100% with blue powder
Product Specification
| Name | Reactive Blue 19 |
| Other Names | Reactive Brilliant Blue KN-R |
| CAS No. | 2580-78-1 |
| STRENGTH | 100% |
| APPEARANCE | Blue Powder |
| APPLICATION | Used for dyeing silk, wool, leather, paper, hemp and so on. |
| PACKING | 25KGS PP Bags/Kraft Bag/Carton Box/Iron Drum |
Product Description
Reactive Blue 19 (Reactive Brilliant Blue KN-R)，Dark blue powder. Solubility in water (20℃) is 100g/L. The aqueous solution is blue. The color does not change after adding 1mol/L sodium hydroxide. After adding hydrosulfite and warming, it turns reddish brown with precipitation. After adding sodium perborate, it turns light purple. In concentrated sulfuric acid, it is maroon, and after dilution, it becomes navy blue with precipitation. In concentrated nitric acid, it is yellow, and the color does not change after dilution.
Product character
A.Reactive Blue 19 (Reactive Brilliant Blue KN-R) can be used for dyeing cotton and viscose fibers. It has high affinity, excellent leveling properties, and average color fixation rate. It is suitable for various dyeing methods.
B.When used for dip dyeing and pad dyeing, it can form three primary colors with Reactive Golden Yellow M-R and Reactive Red KN-5B to dye various light colors; or it can form three primary colors with Reactive Golden Yellow M-G and Reactive Red M-8B to dye various medium colors.
C. It is also used for direct printing of cotton and viscose fiber fabrics, such as direct printing of fiber-rich cloth and viscose silk fabrics. It can also be used for dyeing vinylon fibers.
Application
Used for dyeing silk, wool, leather, paper, hemp and so on.
Cold-Pad-Batch Process:
Padding→25℃ Batching 8-12hrs→Washing Off
Pad-Dry-Pad-Steam Process:
Padding Dye Liquor→IR Predrying→Hot air 100-130℃→Padding Chemicals→Saturated steam 45~90sec.→Washing Off
Pad-Dry-Thermofix Process:
Padding.PU50-60%→Drying 110-130℃→Thermofix 140℃ 60sec→Washing Off
Packing
25KGS PP Bags/Kraft Bag/Carton Box/Iron Drum
Storage & Transportation
The product must be stored in shade, dry & well-ventilated warehouse. Avoid to be contacted with oxidizing chemicals and combustible organic substances. Keep it away from direct sunlight, heat, sparks and open flames. Carefully handle the product and avoid damaging the package.
Used for dyeing silk, wool, leather, paper, hemp and so on.
Cold-Pad-Batch Process:
Padding→25℃ Batching 8-12hrs→Washing Off
Pad-Dry-Pad-Steam Process:
Padding Dye Liquor→IR Predrying→Hot air 100-130℃→Padding Chemicals→Saturated steam 45~90sec.→Washing Off
Pad-Dry-Thermofix Process:
Padding.PU50-60%→Drying 110-130℃→Thermofix 140℃ 60sec→Washing Off
The product must be stored in shade, dry & well-ventilated warehouse. Avoid to be contacted with oxidizing chemicals and combustible organic substances. Keep it away from direct sunlight, heat, sparks and open flames. Carefully handle the product and avoid damaging the package.
25KGS PP Bags/Kraft Bag/Carton Box/Iron Drum
