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50 Kilogram |
FOB Price:USD 3.6000 -4.2000 |
Vat Blue 20 Dark blue BO Violanthrone
Blue-black powder. Insoluble in water and ethanol, slightly soluble in acetone, chloroform, o-chlorophenol, pyridine, toluene, soluble in tetralin and xylene (red with red fluorescent solution). It appears purple-black in concentrated sulfuric acid, and produces purple-black precipitate after dilution. It appears dark purple in alkaline solution of insurance powder and dark red in acidic solution. Used for dyeing cotton fibers, with good affinity, fast coloring and medium level dyeing properties. It is less used for printing and more used for color matching. It can be used for dyeing silk, viscose fiber, viscose cotton, and viscose cotton. It can also be used for hot-melt dyeing of polyester-cotton blended fabrics and disperse dyes in the same bath. It can also be used to prepare organic pigments.
Product Description:
Common Name: Vat Blue 20
Other Name: Dark blue BO
Category: Colorant-Dye-Vat Dyes
CAS No.: 116-71-2
EINECS No.: 204-152-0
C.I. No.: 59800
Appearance: Blue-black powder
Molecular Formula: C34H16O2
Brand Name: Colorcom
Shelf Life: 2 Years
Place of Origin: China
International Equivalents:
Dark blue BO | Violanthrone |
Dibenzanthrone | Pigment Blue 65 |
Product physical properties:
Product Name | Vat Blue 20 | |||||
Specification | value | |||||
Appearance | Blue-black powder | |||||
General properties | Dyeing method | KN | ||||
Dyeing Depth (g/L) | 40 | |||||
Light(xenon) | 6-7 | |||||
Water spotting(immediately) | 3-4R | |||||
Level-dyeing property | moderate | |||||
Light&Perspiration | Alkalinity | 4-5 | ||||
Acidity | 4-5 | |||||
Fastness properties | Washing | CH | 3-4 | |||
CO | 4-5 | |||||
VI | 4-5 | |||||
Perspiration | Acidity | CH | 4-5 | |||
CO | 4-5 | |||||
WO | 4-5 | |||||
Alkalinity | CH | 4 | ||||
CO | 4-5 | |||||
WO | 4-5 | |||||
Rubbing | Dry | 4 | ||||
Wet | 3-4 | |||||
Hot pressing | 200℃ | CH | 3 | |||
Hypochlorite | CH | 4-5 |
Application:
Vat Blue 20 is used in the dyeing and printing of cotton fabrics.
Package:
25 kgs/bag or as you request.
Company Introduction:
Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards.
Colorcom prides itself on superior customer and technical focus, while focusing on support, developing and manufacturing superior colorants and specialty chemicals. All of our industrial chemical manufacturing is executed to enhance the performance, appeal and processing of a broad range of products used in various industries and consumer - based applications.
Our Advantage:
The competitive advantages of Colorcom international as your business partner or supplier:
1.Established manufacturer.
2.Current ISO certified; REACH registered.
3.Track record of quality, Lot to lot consistency.
4.Zero defect, Return policy.
5.Sufficient inventory.
6.Wide product portfolio, A great choice of shades.
7.Joint product development.
8.Total innovative solutions for every industry of the specific requirements.
9.Open dialogue and communication channels.
10.Long term commitment to meet or exceed the expectations of customers.
11.Competitive pricing, Optimistic margin.
12.Providing efficient service which is second to none.
13.Constantly changing industry requirements for innovative, fully customized products and solutions.
14.Consistent color performance, adaptability, flexibility and customization.
15.26 years of chemical industry knowledge and experience.
16.Colorcom makes every effort to better serve the global customers,We create and bring the best values to you.
Sincerely look forward to your inquiry!
we will be the most sincere service attitude and product professionalism to make you satisfied!
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