|
Item |
Indices |
|
Product name |
Sulphur blue BRN(C.I.53441) |
|
Color index |
C.I. Sulphur Blue 7 |
|
Cas no. |
1327-57-7 |
|
Appearance |
Blue-purple Powder |
|
Strength |
180 |
|
Moisture % |
≤2 |
|
Insoluble matter % |
≤0.5 |
|
Properties |
Insoluble in water |
Product Application
Sulphur blue BRN is mainly used for dyeing cotton, linen, viscose fibers, vinylon and its fabrics. It is the main color dyestuff for navy blue color dyeing. It can also be dyed dark gray with yellow dyes.
Product Property
The appearance of sulphur blue BRN is blue-purple powder, which can not dissolve in water. It is green-gray in sodium sulfide solution. It is blue purple in concentrated sulfuric acid and dark blue precipitation after dilution.
Product Usage
Sulphur blue BRN is used for cotton dyestuff and linen dyestuff.
Fastness of dyes on cotton fabrics:
|
Dyeing depth,%
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Resistance Sunlight
|
Resistance washing with soap at 95 ℃)
|
Resistance water
|
Resistance perspiration |
Rubbing
|
||||||||||
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acid |
alkali |
||||||||||||||
|
change |
Stain on cotton |
Stain on Viscose |
Change |
Stain on cotton |
Stain on wool |
change |
Stain on cotton |
Stain on wool |
change |
Stain on cotton |
Stain on wool |
Dry |
Wet |
||
|
6 |
6 |
3 |
4-5 |
4 |
4 |
4-5 |
4-5 |
4 |
4-5 |
4-5 |
4 |
4 |
- |
2-3 |
1-2 |
Product Package,Transport and Storage
Production workshop
FAQ
What is Sulphur Blue BRN?
Sulphur Blue BRN is a type of synthetic dye belonging to the group of sulphur dyes. It is also known as Sulphur Blue 15 or Sulphur Blue 7. These dyes are often used for dyeing cotton and other cellulosic fibers and are known for their bright and vibrant shades of blue.
How does Sulphur Blue BRN work?
Sulphur Blue BRN is a water-insoluble dye that is often used in textile and leather industries. It is commonly used to dye denim fabric and is also used in the production of blue ink. Sulphur Blue BRN is a reactive dye, which means that it chemically bonds with the fibers of the material being dyed, creating a long-lasting color. It is considered one of the most economical and popular dyes for dyeing cotton fiber due to its affordability and ability to produce bright and vivid colors.
What is the advantage of Sulphur Blue BRN?
1.Sulphur blue BRN are relatively inexpensive compared to other types of synthetic dyes, making it an economical choice for large-scale industrial dyeing applications.
2.Sulphur Blue BRN is known for its bright and vibrant shades of blue, making it a popular choice for dyeing cotton and other cellulosic fibers.
3.Sulphur blue BRN are reactive dyes, which means that they chemically bond with the fibers of the material being dyed, creating a long-lasting color that resists fading.
4.Sulphur Blue BRN is easy to use and does not require high temperatures or specialized equipment for dyeing.
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