Import Optical Brightening Agent Kcb From Raytop — Buy in wholesale FOB from Supplier in China
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Optical Brightening Agent KCB from Raytop
The Optical Brightening Agent KCB supplied by Raytop Chemical Co., Ltd is a benzoxazolyl‑based fluorescent brightener whose chemical name is 1,2‑Bis(5‑methyl‑2‑benzoxazolyl)ethylene, CAS 5089‑22‑5. The material appears as a yellow‑green powder, meets a purity of at least 99.5 % and a minimum effective assay of 99 %. Specification limits include ash content not exceeding 0.5 % and volatile matter below 0.3 %, with a melting point range of 210 °C to 212 °C. It is packaged in 25 kg fibre drums lined with PE for bulk export.
In the polymer additives market, fluorescent brighteners such as KCB are typically used at 0.5‑2 % by weight to offset yellowing in polymer resins. Typical purity requirements for high‑performance applications are 98 % or higher, and the colour shade is described as a blue‑white glistening light under UV excitation in the 350‑420 nm range. The agent shows good thermal stability, making it suitable for processing temperatures encountered in extrusion, injection moulding and film casting. Standard industry practice also calls for storage in dry conditions below 25 °C to preserve efficacy.
Raytop markets KCB for use in EVA, PET, PVC, PE and other polymer systems, targeting manufacturers of sports‑shoe components, plastic packaging, synthetic fibres and coating formulations. The product is shipped in 25 kg drums and can be supplied under FOB or CIF terms, subject to confirmation of the exact incoterm and payment conditions with the supplier. Buyers should verify the minimum order quantity, request a Certificate of Analysis and clarify lead‑time expectations before placing an order.
| Chemical Name | 1,2‑Bis(5‑methyl‑2‑benzoxazolyl)ethylene |
| CAS Number | 5089‑22‑5 |
| Appearance | Yellow‑green powder |
| Purity | ≥ 99.5 % (as supplied) |
| Effective Assay | ≥ 99 % min |
| Ash Content | ≤ 0.5 % max |
| Volatile Matter | ≤ 0.3 % max |
| Melting Point | 210‑212 °C |
| Typical Usage Level | 0.5‑2 % weight in polymer compounds (typical) |
| Typical UV Absorption Peak | 365 nm (typical) |
| Packaging | 25 kg fibre drum with PE liner |
| Storage Condition | Dry, below 25 °C (standard) |
| Shelf Life | 12 months when stored as specified (typical) |
Raytop Chemical Co., Ltd is located at No.3699 Huayuan East Road, Jinan, Shandong, China, postal code 250100. The company holds a harbour‑level trust tier on the platform, though its response rate is currently 0 %, indicating that inquiries may require follow‑up to obtain a reply.
The supplier lists optical brightening agents such as KCB for export to global polymer compounders. Raytop states that the product is shipped in 25 kg drums and does not disclose a minimum order quantity or unit price in the public listing, so buyers should request these details directly. No additional certifications are mentioned, so verification of ISO or SGS compliance should be confirmed with the supplier.
Optical Brightening Agent KCB by Raytop is a high-performance fluorescent brightener widely applied in EVA, PET, PVC, and PE polymer systems, making it a preferred choice for sports shoes materials, plastic packaging, and synthetic fibers. This benzoxazolyl-based brightener operates at optimal efficiency in the 350-420nm UV range, delivering superior whiteness and brightness in transparent and semi-transparent plastics. Exported globally in 25kg drum packaging, KCB is a key input chemical for polymer compounders and plastic product manufacturers seeking high Whiteness Value at competitive pricing.
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Sourcing Optical Brightening Agent KCB from Raytop Chemical Co., Ltd - China Import Guide
Before placing an order, importers should request the latest Certificate of Analysis, material safety data sheet and a sample for trial runs. Confirm that the purity, assay and melting point values match the specifications listed, and verify that the packaging meets the required drum specifications for safe transport.
Logistics details such as incoterms (FOB, CIF or others), expected lead time and freight options need to be clarified with Raytop. Because the supplier’s response rate is currently 0 %, a written request outlining preferred shipping terms and payment conditions is advisable to avoid delays.
Quality assurance can be reinforced by arranging a third‑party inspection at the departure port and by ensuring that the shipment includes the COA, MSDS and any relevant conformity certificates. Importers should also verify customs classification and any import duties applicable to optical brightening agents entering the destination country.
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30 suppliersBuy Optical Brightening Agent in Bulk — Verified Supplier in China
When sourcing Optical Brightening Agent Kcb From Raytop for your business, securing the right balance of quality and cost is essential. Raytop Chemical Co., Ltd, a verified supplier based in China, offers this product with key specifications including Industrial Grade / KCB Standard Type, >= 98.5% active ingredient (Fluorescent Brightener), and Yellowish crystalline powder. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $40/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 3204.20, making it a staple in the Chemicals & Allied Products sector with strong demand from importing countries worldwide.
Optical Brightening Agent Specifications, Trade Terms & Pricing
Importing Optical Brightening Agent requires careful attention to shipping logistics, customs compliance, and secure payment terms. Raytop Chemical Co., Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 3204.20 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading B2B marketplace designed to make cross-border trade secure and efficient.
About Raytop Chemical Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Optical Brightening Agent has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Chemicals & Allied Products category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Import Optical Brightening Agent — Shipping, Logistics & Customs
Importing Optical Brightening Agent requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 3204.20 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Optical Brightening Agent
What is the wholesale price of Optical Brightening Agent Kcb From Raytop?
The current listed wholesale price for Optical Brightening Agent Kcb From Raytop from Raytop Chemical Co., Ltd is $40/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Raytop Chemical Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Optical Brightening Agent?
The supplier, Raytop Chemical Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Optical Brightening Agent. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Optical Brightening Agent Kcb From Raytop?
For international shipping and customs clearance, Optical Brightening Agent Kcb From Raytop is classified under HS Code 3204.20. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Optical Brightening Agent from China?
To import Optical Brightening Agent from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Raytop Chemical Co., Ltd. Ensure you have the necessary import licenses for Chemicals & Allied Products products in your destination country.
Is Raytop Chemical Co., Ltd a verified supplier?
Yes, Raytop Chemical Co., Ltd is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Optical Brightening Agent Kcb From Raytop?
The key specifications for Optical Brightening Agent Kcb From Raytop supplied by Raytop Chemical Co., Ltd include Industrial Grade / KCB Standard Type, >= 98.5% active ingredient (Fluorescent Brightener), and Yellowish crystalline powder. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Optical Brightening Agent?
Raytop Chemical Co., Ltd offers Optical Brightening Agent with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Optical Brightening Agent the most?
Optical Brightening Agent is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Raytop Chemical Co., Ltd through our platform.
What certifications does this Optical Brightening Agent supplier hold?
Raytop Chemical Co., Ltd maintains international quality certifications. These ensure that the Optical Brightening Agent meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Optical Brightening Agent Kcb From Raytop on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Raytop Chemical Co., Ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Raytop Chemical Co., Ltd.
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