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Optical Brightening Agent, Fluorescent Brightener
US$4.30
1,000-2,999 kg
US$4.20
3,000-6,749 kg
US$4.125
6,750+ kg
Sample price:US$1.00/kg.Request sample
Product profile
Customization
AvailableCAS No.
12224-16-7Formula
C40h42n12o10s2na2Model NO.
Fluorescent Brightening Agent VBLAppearance
PowderUsage
Paper Chemicals, SurfactantsColor
YellowTransport Package
20kg Carton, 25kg or 30kg Paper DrumTrademark
realfineOrigin
ChinaHS Code
3204200000Production Capacity
100t/MonthKey features
High Solubility: Easily soluble in water for efficient application in various processes.
Superior Whitening: Whitening effect significantly better than VBL in pH 4.5-7.
Excellent Stability: Good light fastness and resistance to acid and alkali.
Versatile Application: Suitable for pulp, cotton, hemp, synthetic detergents, and coatings.
Long Shelf Life: 24 months shelf life with stable effectiveness even if slight crystallization occurs.
ISO Certified: Company holds ISO9001, ISO14000, and SGS certificates.
Fast Delivery: Peak and off-peak season lead time within 15 working days.
Global Export: Products exported to South America, Southeast Asia, Europe, and other regions.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-01-01Nearest Port: shanghaiAverage Response Time: ≤9.04hTerms of Payment: LC, T/T, D/PInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAP, Others
AI-Powered supplier vetting
SummaryThe supplier presents itself as a producer of water-treatment chemicals, including decoloring agents, PDADMAC, PAM, polyamine, PAC, and defoamer. It reports BSCI and ISO 9001 certifications, more than 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. It states that quality assurance and raw-material traceability are in place, with average lead times within 15 working days in both peak and off-season periods. However, the evidence shows no valid manufacturing-capacity contract with its related subcontractor, no inventory, overseas warehouse, overseas showroom, overseas agents or branches, or offline trade-show participation. It also reports no recent new products, ODM, branded OEM, or SDK capability, and lacks written procedures or records for supplier-service assessment, corrective actions, and complaint handling. Financial information is limited to references to financial-capacity, cash-flow, balance-sheet, and profit-index years without performance values.
Supplier typeThe supplier describes its business as covering water-treatment chemicals such as decoloring agent, PDADMAC, PAM, polyamine, PAC, and defoamer, and reports more than 10 production lines. This supports classification as a chemical manufacturer rather than a purely trading or service company.
CertificationsThe supplier reports holding BSCI and ISO 9001 supplier-management-system certifications. These are explicit certifications and provide positive evidence of formal social-compliance and quality-management systems, although no certificate scope or validity details are provided.
After-Sales capabilityThe supplier reports no overseas warehouse, overseas showroom, overseas agent or branch, or overseas-service coverage, and has not participated in offline trade shows. It also lacks written procedures or records for corrective and preventive actions and customer-complaint handling, although quality assurance and raw-material traceability are stated to exist.
R&D capabilityThe supplier reports no new products during the past year, no ODM service, no branded OEM capability, and no available SDK. Although it has 6–10 R&D engineers, the explicit absence of recent product development and related services indicates a deficiency in demonstrated innovation capability.
Production capacityThe supplier reports more than 10 production lines, 6 order-fulfillment units, and average lead times within 15 working days in both peak and off-season periods. However, it states that no valid manufacturing-capacity contract exists with its related subcontractor and has no inventory capability; the evidence therefore shows substantial internal production resources but also a documented capacity-management limitation.
Customization capabilityThe supplier accepts T/T and can quote under FOB, CIF, CFR, and EXW terms, while offering water-treatment products for different wastewater applications. However, it explicitly reports no ODM service and no OEM capability for popular brands, so dedicated customization capability is not demonstrated and some forms of customization are expressly unavailable.
Product Q&A
Q:What is the shelf life of the product?
A:
The shelf life is 24 months. If stored for more than 2 months, slight crystallization may occur but it does not affect effectiveness.
Q:What are the recommended dosages for different applications?
A:
Paper industry: 0.1-0.3%. Cotton/linen: 0.08-0.3%. Laundry detergent: not higher than 0.05% or 0.1% depending on application.
Q:What is the appearance of the product?
A:
It is a light yellow crystalline powder with blue violet light fluorescence.
Q:How should the product be stored?
A:
Store in a dry place at room temperature and protect from light. Packaged in 20kg cartons or 25/30kg paper drums.
Q:Does the product have good acid and alkali resistance?
A:
Yes, it features good acid and alkali resistance along with excellent light fastness.
Send Inquiry
*To:
YORK INTERNATIONAL HK LIMITED
YORK INTERNATIONAL HK LIMITED*Content:
Supplier replies will be sent to your registered email
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