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Direct Fast Blue B2r Direct Blue 71 Dyes for Viscose Blended Fabrics
US$5.00-7.50
100 kg
Sample price:US$2.00/piece.Request sample
Product profile
Customization
AvailableCAS No.
4399-55-7Formula
C40h23n7na4o13s4Model NO.
C. I. Direct Blue 71EINECS
224-531-4Colour
BlueAppearance
Blue PowderUsage
Paper, Leather, TextileApplication Material
Viscose/Vinylon Blended FabricsName
Direct Fast Blue B2rContent
100%C.I.No.
C.I. Direct Blue 71Transport Package
25kg Iron Drum/BagSpecification
Strength 100%Trademark
Tianjin LeadingOrigin
ChinaHS Code
320414Production Capacity
50000Key features
Deep Reddish-Blue with Good Exhaustion: Direct Fast Blue B2R (C.I. Direct Blue 71) delivers rich, deep reddish-blue shades on cellulosic fibers with good exhaustion and excellent dischargeability.
Versatile Applications for Textiles and More: Ideal for cotton, viscose, linen, silk, and nylon. Also suitable for leather, paper, and soap coloring.
Reliable Quality You Can Count On: Dark blue to black powder. Water-soluble to blue solution. Good heat-temperature stability and better fastness.
Simplify Your Sourcing with One Versatile Dye: One deep blue dye covers cotton, viscose, silk, nylon, and blends. Note: poor migration and leveling---slow heating and controlled salt addition required
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 22 Year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤24h
About Our Factory & Business Background
AddressRoom 704/705 Building No. 2 Meinian Plaza, No. 16 Dongting Road, Hexi District, 300222 China, Tianjin, China
Plant Area115 square meters
Number of Employees15
Registered Capital1,000,000 RMB
Terms of PaymentLC, T/T, D/P
International Commercial Terms(Incoterms)FOB, CIF, CFR
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month
Minimum Order Quantity1
Supply Chain Partners10
Our Production Capability & Technical Expertise
Main ProductsDyestuff
QA/QC inspectors2 people
Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)
Inspection Method for Finished ProductsHave instruction but no written records
R&D Engineers2 people
Traceability of Raw MaterialsYes
Own BrandYes
Our Industry Experience & Global Business Record
Year of Establishment2004-04-08
Main MarketsSoutheast Asia/ Mideast
Repeat Buyers Choice50%~80%
Number of Foreign Trading Staff8
Overseas Agent/BranchNo
New Products Launched in Last yearYes
Our Certifications, Standards & Industry Recognition
Cooperated with Fortune 500No
Product Q&A
Q:What is the difference between Direct Fast Blue B2R and Direct Blue 71?
A:
They are the same product with different trade names. Direct Fast Blue B2R (or B2RL) is the commercial name, while Direct Blue 71 is the C.I. generic name (C.I. 34140). Other common names include Direct Fast Blue B2RL, Direct Deep Blue L-3RB, and Solantine Blue FF.
Q:What materials can Direct Fast Blue B2R be applied to?
A:
Main applications include cotton, viscose, linen and other cellulosic fibers, silk, nylon and their blended fabrics, leather, paper, and soap. It can also be used for viscose/PVA blends, and combined with disperse dyes for polyester/viscose blends.
Q:What are the key dyeing characteristics of Direct Fast Blue B2R?
A:
Key characteristics include good exhaustion and excellent dischargeability, but poor migration and leveling---requires slow heating and controlled salt addition during dyeing. After-treatment with fixing agents or resin finishing may cause a slight greenish shade shift.
Q:What are the fastness properties of Direct Fast Blue B2R?
A:
It holds better fastness compared to standard direct dyes and provides good heat-temperature stability. However, specific ratings for light, washing, and rubbing fastness may vary. For demanding applications, we recommend laboratory testing.
Q:Is Direct Fast Blue B2R sensitive to metal ions?
A:
Yes, it is sensitive to copper and iron ions---the shade may shift slightly in their presence.
Send Inquiry
*To:
Tianjin Leading Import & Export Co., Ltd.
Tianjin Leading Import & Export Co., Ltd.*Content:
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