Import Aluminum Oxide — Buy in wholesale FOB from Supplier in China
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Ultra high purity aluminum oxide pellets from Chongqing Research Better Science & Technology are engineered as pressed alumina for sapphire crystal growth and LED substrate manufacturing. The material achieves Al2O3 purity of 99.99%+, a critical threshold for semiconductor and optoelectronics applications where impurity levels directly impact crystal yield and performance. These pellets are designed to provide high filling density in Czochralski crucibles, optimizing thermal conductivity and reducing void formation during single-crystal production.
The alumina is sourced from East Asian refiners and processed into pressed pellets that maintain structural integrity at temperatures exceeding 2000°C. Typical industry standards for sapphire-grade alumina include controlled levels of silicon, iron, and sodium, often below 10 ppm each, to prevent defect formation in downstream applications. The material’s eco-friendly production aligns with modern smelter practices, reducing environmental impact without compromising purity.
Primary buyers include manufacturers of sapphire substrates for LEDs, watch crystals, and semiconductor wafers. Trade terms for this grade often involve bulk shipments in 25 kg or 50 kg sealed bags, with lead times tied to smelter capacity and refining schedules. Buyers in optoelectronics prioritize consistent purity and particle size distribution, both of which are verified through inductively coupled plasma mass spectrometry and laser diffraction analysis.
| Chemical Formula | Al2O3 |
| Purity | 99.99%+ |
| Form | Pressed pellets |
| Primary Application | Sapphire crystal growth, LED substrate manufacturing |
| Filling Density | High (optimized for Czochralski crucibles) |
| Typical Impurity Limits (Si, Fe, Na) | standard < 10 ppm each for sapphire-grade alumina |
| Thermal Stability | Stable above 2000°C |
| Particle Size Distribution | typical controlled via laser diffraction, supplier-confirmed |
| Packaging | 25 kg or 50 kg sealed bags |
| Production Method | Eco-friendly, high-technology refining |
Chongqing Research Better Science & Technology Co., Ltd. operates from Dianjiang Industrial Park in Chongqing, China, a region known for its concentration of advanced materials suppliers. The company specializes in ultra high purity alumina, positioning itself as a provider for high-tech industries such as semiconductors and optoelectronics. Its facility in Chengxi Group aligns with the local ecosystem for large-volume production, though no response rate or verification signals are currently listed.
The supplier focuses on cooperation with manufacturers requiring high-efficiency, large-scale output, particularly for applications like sapphire crystal growth. It does not disclose headcount, revenue, or clientele, but its product line emphasizes eco-friendly processes and technical precision. The absence of a stated response rate or trust tier beyond 'harbor' suggests buyers should confirm operational capacity and quality controls directly.
Ultra high purity aluminum oxide (alumina) pellets are engineered for sapphire crystal growth and LED substrate manufacturing. This pressed alumina form ensures high filling density in Czochralski crucibles, optimizing yield and crystal quality. Widely sourced from East Asian and European refiners, alumina for sapphire applications demands strict purity above 99.99% with controlled impurity levels. Trade volumes are significant in semiconductor and optoelectronics supply chains, with pricing sensitive to smelter capacity and downstream crystal demand.
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Sourcing Aluminum Oxide from Chongqing Research Better Science & technology Co.,ltd. - China Import Guide
Before ordering ultra high purity alumina from Chongqing Research Better Science & Technology, verify the certificate of analysis for the specific batch, confirming Al2O3 purity at 99.99%+ and impurity levels for silicon, iron, and sodium. Request a particle size distribution report to ensure consistency with your crucible specifications, as variations can affect filling density and thermal conductivity. Confirm the supplier’s production method aligns with eco-friendly refining practices to meet regulatory and sustainability standards.
Logistics for bulk alumina shipments from Chongqing typically involve sea freight, with lead times of 30 to 45 days depending on the port of discharge. Clarify Incoterms with the supplier, as FOB Chongqing or CIF to your port are common for this commodity. Payment terms often include a 30% deposit via TT, with the balance due against a copy of the bill of lading. Buyers should also confirm the supplier’s ability to handle customs documentation for high-purity materials.
Quality checks should include inductively coupled plasma mass spectrometry for purity and impurity verification, as well as laser diffraction for particle size distribution. Inspect packaging for moisture barriers and seal integrity to prevent contamination during transit. Request a pre-shipment inspection report from a third-party agency to validate the material’s compliance with your specifications. Documentation should include a certificate of analysis, material safety data sheet, and test reports for thermal stability and filling density.
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30 suppliersBuy Aluminum Oxide in Bulk — Verified Supplier in China
When sourcing Aluminum Oxide for your business, securing the right balance of quality and cost is essential. Chongqing Research Better Science & technology Co.,ltd., a verified supplier based in China, offers this product with key specifications including Ultra High Purity (UHP) Alumina, Grade for Sapphire Crystal Growth, Al2O3 >= 99.99%, with low levels of Na, K, Fe, Si, Ca, Mg impurities, and Pressed pellets, typically 10-30 mm diameter, bulk density 2.8-3.2 g/cm3. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $10/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 2818.20, making it a staple in the Aluminum Oxide sector with strong demand from importing countries worldwide.
Aluminum Oxide Specifications, Trade Terms & Pricing
Importing Aluminum Oxide requires careful attention to shipping logistics, customs compliance, and secure payment terms. Chongqing Research Better Science & technology 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 2818.20 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 global B2B marketplace designed to make cross-border trade secure and efficient.
About Chongqing Research Better Science & technology Co.,ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Aluminum Oxide 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 Aluminum Oxide category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Aluminum Oxide — Shipping, Logistics & Customs
Importing Aluminum Oxide 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 2818.20 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 Aluminum Oxide
What is the wholesale price of Aluminum Oxide?
The current listed wholesale price for Aluminum Oxide from Chongqing Research Better Science & technology Co.,ltd. is $10/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 Chongqing Research Better Science & technology Co.,ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Aluminum Oxide?
The supplier, Chongqing Research Better Science & technology Co.,ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Aluminum Oxide. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Aluminum Oxide?
For international shipping and customs clearance, Aluminum Oxide is classified under HS Code 2818.20. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Aluminum Oxide from China?
To import Aluminum Oxide from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Chongqing Research Better Science & technology Co.,ltd.. Ensure you have the necessary import licenses for Aluminum Oxide products in your destination country.
Is Chongqing Research Better Science & technology Co.,ltd. a verified supplier?
Yes, Chongqing Research Better Science & technology 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 Aluminum Oxide?
The key specifications for Aluminum Oxide supplied by Chongqing Research Better Science & technology Co.,ltd. include Ultra High Purity (UHP) Alumina, Grade for Sapphire Crystal Growth, Al2O3 >= 99.99%, with low levels of Na, K, Fe, Si, Ca, Mg impurities, and Pressed pellets, typically 10-30 mm diameter, bulk density 2.8-3.2 g/cm3. 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 Aluminum Oxide?
Chongqing Research Better Science & technology Co.,ltd. offers Aluminum Oxide with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Aluminum Oxide the most?
Aluminum Oxide is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Chongqing Research Better Science & technology Co.,ltd. through our platform.
What certifications does this Aluminum Oxide supplier hold?
Chongqing Research Better Science & technology Co.,ltd. maintains international quality certifications. These ensure that the Aluminum Oxide meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Aluminum Oxide on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Chongqing Research Better Science & technology 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 Chongqing Research Better Science & technology Co.,ltd..
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