Import Optical Brightening Agent Ob — Buy in wholesale FOB from Supplier in China
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Optical Brightening Agent Ob
The Optical Brightening Agent Ob offered by Shandong Raytop Chemical Co., Ltd is a stilbene‑derived fluorescent whitening agent whose detailed chemical name is 2,5'-Bis[5-(4‑tert‑butylphenyl)-1,3,4‑oxadiazol‑2‑yl] thiophene. The product is supplied as a fine powder with a high purity level, though the exact percentage is not disclosed in the public listing. It is designed to absorb ultraviolet light and re‑emit a blue fluorescence that counteracts yellowing in polymer resins, making it suitable for brightening applications in plastics.
In the plastics additive market, agents like Ob are typically used at 0.5‑2 % by weight to achieve a pronounced bluish‑white appearance in extrusion, injection moulding and film processes. Standard industry specifications call for a purity of at least 98 % and thermal stability that allows processing temperatures up to 300 °C without degradation. Typical storage conditions are dry, temperature‑controlled environments, and the material is commonly packaged in 25 kg drums for bulk handling, although the exact packaging format is not listed for this supplier.
Shandong Raytop markets the agent to manufacturers of consumer goods, packaging films and textile fibres that require high visual appeal. The supplier mentions flexible minimum order quantities and offers both FOB and CIF shipping options, but buyers should confirm the preferred incoterm and lead‑time directly. Prior to ordering, request a Certificate of Analysis and confirm any required certifications such as ISO or SGS to ensure compliance with international quality standards.
| Chemical Name | 2,5'-Bis[5-(4‑tert‑butylphenyl)-1,3,4‑oxadiazol‑2‑yl] thiophene |
| CAS Number | Not disclosed (confirm with supplier) |
| Appearance | Fine white powder |
| Purity | High purity (typical ≥ 98 %) |
| Thermal Stability | Stable up to ~300 °C (standard for high‑temperature processing) |
| Typical Usage Level | 0.5‑2 % weight in polymer matrix (typical) |
| Typical UV Absorption Peak | ~365 nm (typical) |
| Packaging | Typically supplied in 25 kg drums with protective liner (standard) |
| Storage Condition | Dry, below 25 °C (standard) |
| Shelf Life | 12 months when stored as specified (typical) |
Shandong Raytop Chemical Co., Ltd is based at No.38‑7 Huaneng Road, Jinan, Shandong, China, postal code 250000. The company is listed with a harbour‑level trust tier, but its current response rate is recorded as 0 %, indicating that communication may require persistence.
The supplier focuses on optical brightening agents for the plastics and textiles sectors, offering products such as the OB brightener described here. While the public data mentions flexible MOQ and shipping terms, no specific quantities, prices or certification details are provided, so interested buyers should request this information directly from the company.
Optical Brightening Agent OB is a high-performance fluorescent whitening agent widely used in plastic extrusion, injection molding, and film production to achieve a brilliant bluish-white appearance. This chemical compound absorbs UV light and re-emits visible blue fluorescence, effectively offsetting yellow tones in polymer resins. As a critical additive in the plastics and textiles industries, OB is supplied in powder form with high thermal stability, making it suitable for high-temperature processing. Importers and exporters trading in polymer additives will find this product essential for meeting stringent whiteness specifications in global markets.
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Sourcing Optical Brightening Agent Ob from Shandong Raytop Chemical Co., Ltd - China Import Guide
Prospective buyers should first obtain the latest Certificate of Analysis, safety data sheet and, if available, any third‑party test reports. Verify that the purity, thermal stability and UV absorption data match the specifications required for your production line, and confirm the packaging format before finalising the order.
Because the supplier’s response rate is currently 0 %, it is advisable to send a detailed inquiry outlining the desired incoterm, payment method and expected lead time. Clarify whether the shipment will be handled under FOB, CIF or another term, and discuss freight options to ensure timely delivery to your port of entry.
To safeguard product quality, arrange for a pre‑shipment inspection or laboratory verification of the received batch. Ensure that the shipment is accompanied by a COA, MSDS and any applicable conformity certificates, and verify customs classification for optical brightening agents to avoid unexpected duties.
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30 suppliersBuy Optical Brightening Agent in Bulk — Verified Supplier in China
When sourcing Optical Brightening Agent Ob for your business, securing the right balance of quality and cost is essential. Shandong Raytop Chemical Co., Ltd., a verified supplier based in China, offers this product with key specifications including Technical Grade / OB-1 Type Optical Brightener, ≥98% Active Ingredient (Fluorescent Whitening Agent), and Fine Pale Yellow Powder. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $15/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. Shandong 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 Shandong 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 Ob?
The current listed wholesale price for Optical Brightening Agent Ob from Shandong Raytop Chemical Co., Ltd. is $15/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 Shandong Raytop Chemical Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Optical Brightening Agent?
The supplier, Shandong 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 Ob?
For international shipping and customs clearance, Optical Brightening Agent Ob 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 Shandong Raytop Chemical Co., Ltd.. Ensure you have the necessary import licenses for Chemicals & Allied Products products in your destination country.
Is Shandong Raytop Chemical Co., Ltd. a verified supplier?
Yes, Shandong 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 Ob?
The key specifications for Optical Brightening Agent Ob supplied by Shandong Raytop Chemical Co., Ltd. include Technical Grade / OB-1 Type Optical Brightener, ≥98% Active Ingredient (Fluorescent Whitening Agent), and Fine Pale Yellow 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?
Shandong 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 Shandong Raytop Chemical Co., Ltd. through our platform.
What certifications does this Optical Brightening Agent supplier hold?
Shandong 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 Ob on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Shandong 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 Shandong Raytop Chemical Co., Ltd..
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