Import Fused Cast Alumina Block — Buy in wholesale FOB from Supplier in China
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The fused cast alumina block supplied by Zhengzhou Smien Refractories Co., Ltd. is manufactured from high‑purity aluminium oxide (Al2O3) combined with a controlled glass‑phase binder. The material resists corrosion at temperatures up to 1350 °C and exhibits a zero bubble rate when in contact with molten glass. Its dense microstructure is achieved by electric‑furnace melting and casting of alumina at approximately 2000 °C. The blocks are intended for sidewalls, cooling‑zone pavers and float canals in glass furnace linings.
Typical production grades include alpha‑alumina, beta‑alumina and mixed alpha‑beta compositions, each offering a similar thermal stability. In the refractory industry a standard fused cast block contains more than 99.5 % Al2O3 and 2 - 3 % glass phase (typical). Conventional specifications call for a bulk density of at least 3.2 g cm‑3 and porosity below 5 % (standard). Mechanical strength is usually measured above 30 MPa compressive load (typical) and thermal conductivity ranges between 1.5 and 2.0 W m‑1 K‑1 (typical).
Glass manufacturers, steel‑making plants and cement producers commonly purchase these blocks to line high‑temperature zones where molten material contact is unavoidable. Zhengzhou Smien ships the product in metric‑tonne batches, normally packed in steel‑framed crates to prevent breakage during handling. Buyers should confirm the accepted Incoterm, payment method and any required pre‑shipment inspection with the supplier. Because the listing does not disclose a minimum order quantity, the exact MOQ must be verified directly with the company.
| Material | High Purity Alumina (Al2O3) with Glass Phase Binder |
| Corrosion resistance temperature | up to 1350 °C |
| Bubble rate | zero |
| Typical alumina purity | ≥ 99.5 % Al2O3 (typical) |
| Typical glass phase content | 2 - 3 % (typical) |
| Typical bulk density | ≥ 3.2 g cm‑3 (standard) |
| Typical porosity | ≤ 5 % (standard) |
| Typical compressive strength | ≥ 30 MPa (typical) |
| Typical thermal conductivity | 1.5 - 2.0 W m‑1 K‑1 (typical) |
| Common packaging | steel‑framed crates, metric‑tonne per crate (standard) |
The company is headquartered on Zhongzhou Avenue in the Guancheng District of Zhengzhou, Henan Province, China. It is listed with a harbor‑level trust tier, indicating a moderate level of verification, and its response metrics show a current response rate of 0 % and an average response time of 0 hours. Zhengzhou Smien Refractories Co., Ltd. focuses on the production of refractory materials for high‑temperature industrial processes. Its catalogue includes fused cast alumina blocks, AZS blocks and other specialised refractories.
The present listing highlights the company’s capability to produce fused cast alumina blocks using electric‑furnace melting and casting techniques. No specific information on annual capacity, certified quality management systems or export licences is provided, so interested buyers should request those documents directly. The supplier does not disclose pricing, lead time or minimum order quantity in the public data. Communication with the sales team is required to obtain detailed trade terms.
Fused cast alumina blocks are premium-grade refractory materials designed for glass furnace applications, offering superior corrosion resistance and thermal stability at extreme temperatures. These blocks are composed primarily of high-purity alumina (Al2O3) with controlled glass phase composition, manufactured through electric fusion and casting processes for dense, homogeneous microstructure. Widely imported and exported for steel, cement, and glass production facilities, they represent a critical wear-resistant lining component in high-temperature industrial environments.
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Sourcing Fused Cast Alumina Block from Zhengzhou Smien Refractories Co., Ltd. - China Import Guide
Before placing an order, importers should verify Zhengzhou Smien’s corporate registration in Henan and request copies of any quality management certificates that the company holds. Ask for a recent mill test report that confirms the alumina purity and glass‑phase content of the fused cast block. A sample piece can be evaluated for bubble rate and dimensional tolerance prior to a full shipment. Confirm that the supplier can provide a factory‑issued compliance statement for the relevant refractory standards.
Logistics for the fused cast alumina block are typically arranged in bulk containers, with the product loaded in steel‑framed crates. Because the listing does not state a lead time, buyers should ask the supplier for an estimated production and dispatch schedule, which often ranges from two to six weeks for standard orders. Clarify the preferred Incoterm - such as FOB Zhengzhou or CIF Shanghai - and agree on payment terms, commonly a 30 % advance with the balance upon presentation of shipping documents. Ensure that any freight forwarder is experienced with heavy refractory cargo.
Quality assurance usually involves a third‑party inspection either at the factory or at the port of loading. Importers are advised to request a pre‑shipment inspection report covering dimensions, density and surface integrity. Required documentation includes the mill test report, material safety data sheet and a certificate of conformity to the specified refractory grade. Maintaining records of these documents simplifies customs clearance and future quality audits.
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30 suppliersBuy Fused Cast Alumina Block in Bulk — Verified Supplier in China
When sourcing Fused Cast Alumina Block for your business, securing the right balance of quality and cost is essential. Zhengzhou Smien Refractories Co., Ltd., a verified supplier based in China, offers this product with key specifications including Fused Cast Alumina Block, High Alumina Grade (Al2O3 > 90%), Al2O3: 90-99%, Glass Phase: 1-10%, SiO2 + Fe2O3 + TiO2: < 2%, and Standard: 200x250x300 mm, 300x400x500 mm; Custom sizes available per buyer specification. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $4000/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 6903.20, making it a staple in the Abrasives sector with strong demand from importing countries worldwide.
Fused Cast Alumina Block Specifications, Trade Terms & Pricing
Importing Fused Cast Alumina Block requires careful attention to shipping logistics, customs compliance, and secure payment terms. Zhengzhou Smien Refractories 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 6903.20 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 online B2B marketplace designed to make cross-border trade secure and efficient.
About Zhengzhou Smien Refractories Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Fused Cast Alumina Block 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 Abrasives category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Fused Cast Alumina Block — Shipping, Logistics & Customs
Importing Fused Cast Alumina Block 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 6903.20 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 Fused Cast Alumina Block
What is the wholesale price of Fused Cast Alumina Block?
The current listed wholesale price for Fused Cast Alumina Block from Zhengzhou Smien Refractories Co., Ltd. is $4000/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 Zhengzhou Smien Refractories Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Fused Cast Alumina Block?
The supplier, Zhengzhou Smien Refractories Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Fused Cast Alumina Block. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Fused Cast Alumina Block?
For international shipping and customs clearance, Fused Cast Alumina Block is classified under HS Code 6903.20. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Fused Cast Alumina Block from China?
To import Fused Cast Alumina Block from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Zhengzhou Smien Refractories Co., Ltd.. Ensure you have the necessary import licenses for Abrasives products in your destination country.
Is Zhengzhou Smien Refractories Co., Ltd. a verified supplier?
Yes, Zhengzhou Smien Refractories 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 Fused Cast Alumina Block?
The key specifications for Fused Cast Alumina Block supplied by Zhengzhou Smien Refractories Co., Ltd. include Fused Cast Alumina Block, High Alumina Grade (Al2O3 > 90%), Al2O3: 90-99%, Glass Phase: 1-10%, SiO2 + Fe2O3 + TiO2: < 2%, and Standard: 200x250x300 mm, 300x400x500 mm; Custom sizes available per buyer specification. 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 Fused Cast Alumina Block?
Zhengzhou Smien Refractories Co., Ltd. offers Fused Cast Alumina Block with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Fused Cast Alumina Block the most?
Fused Cast Alumina Block is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Zhengzhou Smien Refractories Co., Ltd. through our platform.
What certifications does this Fused Cast Alumina Block supplier hold?
Zhengzhou Smien Refractories Co., Ltd. maintains international quality certifications. These ensure that the Fused Cast Alumina Block meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Fused Cast Alumina Block on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Zhengzhou Smien Refractories 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 Zhengzhou Smien Refractories Co., Ltd..
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