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Fluorescent Brightener 49 Optical Brightener Dbh for Whitening Process
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.
27344-41-8Formula
C28h23nao6s2Model NO.
Fluorescent BrightenerEINECS
248-421-0Certification
REACHEnvironmental Protection
YesAppearance
Yellow-Green PowderApplication
Pretreatment Auxiliary, Textile Printing Auxiliary, Dying Auxiliary, Post-Processing AuxiliaryMelting Point
219-221℃Content
≥ 98%C.I.
49Moleclar Weight
562.56Ultraviolet Absorption
1105-1181Colored Light
Blue LightMax. Absorption Wavelength
349 NmTransport Package
Plastic Bag and The Exterior in WovenSpecification
25kg/bagTrademark
Colorcom Fluo.Origin
ChinaKey features
Superior Whitening Effect: Delivers high whiteness and fluorescence intensity for PVC cable materials.
Factory Direct Supply: Guaranteed stable supply from two production bases with direct sales.
Global Export Quality: Exported to over 50 countries including Germany, France, and Japan.
24/7 Technical Support: Engineers provide online service and handle issues throughout the process.
Customizable Packaging: Standard 25kg drums available, or customized according to customer requirements.
Excellent Weatherability: Features high stability, good weatherability, and strong migration resistance.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-02-01Nearest Port: ShanghaiAverage Response Time: ≤6.33hTerms 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 recommended dosage for this brightener?
A:
The reference dosage is 0.01-0.05% by weight of plastic raw material. Specific amounts should be determined by testing, especially when filler proportions are high.
Q:Is the packaging customizable?
A:
Yes. Standard packaging is 25kg drums (cardboard drums lined with plastic bags), but we can also package according to your specific requirements.
Q:What is the shelf life of the product?
A:
The shelf life is 2 years under proper storage conditions.
Q:What are the main applications of Fluorescent Brightener DBH?
A:
It is primarily used for whitening and brightening PVC cable materials, as well as plastics like PVC granulation, PS, and ABS.
Q:What certifications does this product have?
A:
The product is REACH certified and meets national standards for quality and purity.
Send Inquiry
*To:COLORCOM LTD.
COLORCOM LTD.*Content:
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