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Alumina tube by Engineering Ceramic (China) Ltd.
Harbor
Alumina tube - Image 1

Alumina tube

🕐Last updated: Jun 29, 2026
Contact/ Unit
Min. Order: 1 Unit
📁CategoryProducts
💳Payment TermsT/T · L/C · D/P
Escrow Payment Available on EximNext
Pay your way — T/T, L/C, or opt for Escrow for full protection. Your deal, your choice.
Buy & Import Alumina tube from Engineering Ceramic (China) Ltd. - China Wholesale Supply

The alumina tube from Engineering Ceramic (China) Ltd. is composed of 99.7% aluminium oxide, offering exceptional thermal stability for high-temperature applications. It is engineered to withstand temperatures up to 1850°C (3362°F), making it ideal for use in furnaces, kilns, and other extreme environments where thermal insulation and mechanical strength are required. The tube’s high purity minimises contamination risks, which is critical for sensitive applications in laboratories and advanced manufacturing.

Alumina tubes are typically available in a range of diameters, wall thicknesses, and lengths to suit diverse industrial needs. Standard grades for such products often meet ASTM C799 or DIN specifications, with surface finishes ranging from as-fired to ground or polished, depending on the application. The material’s lightweight yet strong nature simplifies handling and installation in systems such as heat treatment furnaces or semiconductor processing equipment.

This product is widely used in aerospace, automotive, electronics, and manufacturing industries for thermal management and electrical insulation. Buyers often source alumina tubes for applications requiring resistance to thermal shock, chemical corrosion, and wear. The tubes are shipped in secure packaging to prevent damage during transit, with trade terms such as FOB and CIF available. Incoterms and payment methods should be confirmed directly with the supplier to align with your procurement processes.

Technical Specifications for Engineering Ceramic (China) Ltd. Alumina tube
Material composition99.7% Al2O3
Maximum operating temperature1850°C (3362°F)
Typical density3.8-3.9 g/cm³ (standard for 99.7% alumina)
Typical hardness (Rockwell)80-85 HRA (standard for high-purity alumina)
Thermal conductivity25-30 W/m·K at 20°C (typical for dense alumina)
Flexural strength300-400 MPa (typical for 99.7% alumina tubes)
Coefficient of thermal expansion7.5-8.0 x 10^-6 /°C (20-1000°C, typical for alumina)
Dielectric strength>15 kV/mm (typical for alumina ceramics)
Surface finishAs-fired (standard), ground or polished on request
Typical tolerances±1% on diameter, ±2% on length (standard for precision alumina tubes)
About Engineering Ceramic (China) Ltd. - Ceramic Components Supplier in China
🏭
Engineering Ceramic (China) Ltd.
China Harbor
4.5(20)

Engineering Ceramic (China) Ltd. is located in Chongqing, China, with its address at Guanyinqiao, 610003. The company operates as an imported-tier supplier, specialising in high-performance ceramic components for industrial applications. Its harbor trust tier indicates a baseline level of export verification, though no response rate or response time data is currently provided in the listing.

The supplier focuses on alumina-based products, including tubes designed for high-temperature and thermally demanding environments. While the listing highlights a stock of over 300 sizes, it does not specify production capacity, certifications, or client history. Buyers are encouraged to request detailed technical documentation, such as material test reports and compliance certificates, to ensure the product meets their application requirements.

Business TypeSupplier
Year EstablishedRecently Joined
EmployeesContact Supplier
Annual RevenueContact Supplier
Main ProductsView Products Tab
Major MarketsGlobal
Response Time<4h
Response RateNew Supplier
Frequently Asked Questions About Alumina tube from Engineering Ceramic (China) Ltd.
The alumina tube from Engineering Ceramic (China) Ltd. can operate at temperatures up to 1850°C (3362°F). This limit is influenced by the material’s 99.7% Al2O3 purity, which ensures high thermal stability. Impurities or porosities in lower-grade alumina can reduce this threshold, so confirming the exact composition is critical.

Sourcing Alumina tube from Engineering Ceramic (China) Ltd. - China Import Guide

Before placing an order with Engineering Ceramic (China) Ltd., verify the exact Al2O3 content and confirm that the tube meets your temperature and mechanical requirements. Request a material test report (MTR) to check properties such as density, flexural strength, and thermal conductivity, as these directly influence performance in high-temperature applications. Additionally, ask for proof of compliance with industry standards, such as ASTM or DIN, to ensure the product is suitable for your intended use.

Discuss packaging, Incoterms, and payment terms to align with your logistics and procurement processes. Alumina tubes are often shipped in custom crates or foam-lined boxes to prevent breakage, so confirm the packaging method suits your handling capabilities. Clarify whether FOB or CIF terms are available and agree on payment methods like T/T or L/C. Lead times can vary based on size and quantity, so request a timeline for production and delivery to your specified port.

Upon receipt, inspect the tubes for dimensional accuracy, surface finish, and any visible defects such as cracks or chips. Use calipers or micrometers to verify tolerances, and perform a visual check for uniformity. For critical applications, consider non-destructive testing (NDT) methods like ultrasonic testing to detect internal flaws. Ensure all accompanying documentation, including the MTR and certificates of compliance, is complete and meets your quality assurance standards.

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Engineering Ceramic (China) Ltd.
China
Harbor
<4h
Response Time
0.00%
Response Rate
42/100
Trust Score
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0+
Products
4.5(20)
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Buy & Import Alumina Tube — Wholesale Supply from China

Securing a reliable supply chain for Alumina Tube is critical for maintaining your business operations. Engineering Ceramic (China) Ltd., a verified supplier located in China, provides high-quality Alumina Tube ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Products industry, catering to distributors, wholesalers, and importers worldwide.

Request Wholesale Pricing & Bulk Trade Terms

Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing Alumina Tube from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Engineering Ceramic (China) Ltd.. This seamless communication is powered by EximNext, a premier global B2B marketplace that connects ambitious buyers with verified global sellers across every major industry.

About Engineering Ceramic (China) Ltd. — Verified Supplier in China

We understand that verifying supplier credentials is a top priority for importers. Engineering Ceramic (China) Ltd. is part of our extensive network of vetted international exporters. Browse more products in the Related category or discover new suppliers across the Products sector. Expand your sourcing capabilities through our trusted import export marketplace — the import export marketplace built for serious international trade.

International Shipping & Import Guidelines for Alumina Tube

When importing Alumina Tube from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.

Frequently Asked Questions About Alumina Tube

How can I get the wholesale price for Alumina Tube?

Click the "Request Quotation" button to contact Engineering Ceramic (China) Ltd. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.

Can I buy Alumina Tube in bulk from China?

Yes, Engineering Ceramic (China) Ltd. provides Alumina Tube for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.

What shipping terms are available for this product?

Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Engineering Ceramic (China) Ltd.. Contact the supplier to discuss the best logistics options for importing Alumina Tube to your country.

How do I request a sample of Alumina Tube?

Send a direct message to Engineering Ceramic (China) Ltd. through our platform to request a product sample before committing to a large wholesale order.

Is it safe to source products from this supplier?

Engineering Ceramic (China) Ltd. is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).

What specifications should I ask for when importing Alumina Tube?

Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Engineering Ceramic (China) Ltd..

Does Engineering Ceramic (China) Ltd. offer custom packaging or private labeling?

Many suppliers on EximNext, including Engineering Ceramic (China) Ltd., offer custom packaging and private label options for bulk wholesale orders.

What payment methods are accepted for international orders?

Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services.

Can I find more Products suppliers on EximNext?

Yes, EximNext hosts a wide network of verified Related manufacturers, exporters, and wholesalers across 200+ countries.

How do I contact Engineering Ceramic (China) Ltd. for a bulk trade inquiry?

Click "Request Quotation" or "Contact Supplier" on this page. Include your required quantity, destination country, and preferred shipping terms. All communications are managed securely through our global B2B marketplace.

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