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Fluorescent Whitening Agent 52 Optical Brightener Swn for Whitening in Wool Silk
US$16.00
25-999 kg
US$12.00
1,000+ kg
Sample price:US$0.00/kg.Request sample
Product profile
Customization
AvailableCAS No.
12224-03-2Formula
C14h17no2Model NO.
Fluorescent BrightenerEINECS
202-068-9Certification
REACHEnvironmental Protection
YesAppearance
White Crystalline PowderApplication
Pretreatment Auxiliary, Textile Printing Auxiliary, Dying Auxiliary, Post-Processing AuxiliaryMelting Point
71-72.5 ℃Content
≥ 98%C.I.
52Density
1.122Transport Package
Plastic Bag and The Exterior in WovenSpecification
25kg/bagTrademark
Colorcom Fluo.Origin
ChinaKey features
High Purity and Stability: Product purity exceeds 99% with high stability, good weatherability, and migration resistance.
Versatile Solubility: Soluble in ethanol, ethylene glycol, acidic aqueous solutions, resins, and organic solvents.
Wide Application Scope: Specially used for whitening wool, silk, nylon, acetate, and cotton textiles.
Factory Direct Supply: Two production bases guarantee stable supply with direct factory sales.
Global Export Quality: Exported to over 50 countries including Germany, France, Russia, and Japan.
24/7 Technical Support: Online service available with technical engineers handling all usage problems.
REACH Certified: Meets national standards and holds REACH certification for environmental protection.
Flexible Packaging: Available in 25kg cardboard drums lined with plastic bags or custom requirements.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-02-01Nearest Port: ShanghaiAverage Response Time: ≤6.41hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CIP
AI-Powered supplier vetting
SummaryCOLORCOM LTD. is identified as a China-based limited company in Hangzhou, Zhejiang, with both trading-company and manufacturer/factory classifications. The supplier reports more than 10 production lines, cocoa powder productivity of 100,000 tons, broad export coverage, and peak and off-peak lead times of 2–3 months. It states that it holds ISO 9000, ISO 9001, ISO 14001, and GMP certifications, with 6–10 quality-control staff and 6–10 years of R&D-engineer experience. Its worldwide partnerships, sourcing services, and multi-industry product coverage support service breadth, but the provided information does not establish specific after-sales procedures, verified customer cases, detailed customization capabilities, or sufficient non-financial evidence for financial credibility. Financial figures are omitted.
Supplier typeThe supplier is described as a trading company in its company classification and as both a trading company and manufacturer/factory in its business-entity profile. It is a China-based limited company headquartered in Hangzhou, Zhejiang.
CertificationsThe supplier explicitly reports ISO 9000, ISO 9001, ISO 14001, and GMP management-system certifications. These stated certifications indicate coverage of quality, environmental, and manufacturing-practice systems, although no certificate numbers, issuing bodies, or validity dates are provided.
R&D capabilityThe supplier reports 6–10 years of total R&D-engineer experience and states that its partnership network supports innovation, technological-information exchange, and access to market intelligence. This provides explicit positive indicators, although no specific patents, laboratories, new-product examples, or development results are supplied.
Production capacityThe supplier reports more than 10 production lines and annual cocoa powder productivity of 100,000 tons. It also states 2–3 month fulfillment lead times in both peak and off-peak seasons, indicating declared production scale and planning capacity, though the information does not independently verify facility ownership or capacity across all listed products.
Product Q&A
Q:What is the purity of Fluorescent Brightener SWN?
A:
The product purity is more than 99%, ensuring high stability and quality.
Q:Which textiles can this brightener be used for?
A:
It is suitable for whitening wool, silk, nylon, acetate, and cotton textiles.
Q:Is the product soluble in water?
A:
Its solubility in water is only 0.006%. It is better applied after forming a salt with acids or mixing with organic acids to improve solubility.
Q:What is the recommended dosage for cotton textiles?
A:
The reference dosage is 50g-500g per 100kg of cotton textiles, which is 0.05-0.5%.
Q:What is the shelf life of the product?
A:
The shelf life is 2 years.
Send Inquiry
*To:COLORCOM LTD.
COLORCOM LTD.*Content:
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