Import Azs Blocks/Bricks — Buy in wholesale FOB from Supplier in China
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AZS blocks from Zhengzhou Huachen Refractory Co., Ltd. are fused cast refractory bricks composed of high-purity zircon, alumina and silica in the Al2O3-ZrO2-SiO2 system. The supplier offers AZS-33, AZS-36 and AZS-41 grades, differentiated by zirconia content and the distribution of baddeleyite crystals within the cast structure. Each grade targets specific furnace zones: AZS-33 for standard glass contact areas, AZS-36 for high-flow, high-temperature sections like melter sidewalls, and AZS-41 for the most corrosive environments where extended furnace life is critical.
The AZS-33 grade provides strong resistance to glass melt with minimal stone or bubble defects, making it a reliable choice for general glass industrial furnaces. AZS-36 contains a higher proportion of free baddeleyite crystals in a chain structure and a reduced vitreous phase, which enhances corrosion resistance and lowers defect potential in faster glass flow zones. AZS-41, with the highest free baddeleyite crystal content and even distribution, delivers the best corrosion resistance and is typically reserved for the most demanding positions in glass melting furnaces.
These fused cast AZS blocks are engineered for glass melting furnace linings, including sidewalls, superstructures and forehearths, where thermal stability and corrosion resistance are paramount. They are widely adopted in international glass plant construction and furnace maintenance projects, particularly in regions sourcing high-performance refractories. Buyers typically confirm application-specific requirements such as grade selection, block dimensions and furnace zone compatibility before ordering.
| Material System | Fused Zirconia-Alumina-Silica (AZS; Al2O3 + ZrO2 + SiO2) |
| Available Grades | AZS-33, AZS-36, AZS-41 |
| Primary Raw Materials | High-purity zircon, alumina, silica |
| Baddeleyite Crystal Content | AZS-33: standard, AZS-36: higher, AZS-41: highest |
| Vitreous Phase | AZS-33: standard, AZS-36: reduced, AZS-41: minimal |
| Typical Density | 3.8-4.0 g/cm3 typical for fused cast AZS blocks |
| Typical Porosity | <1% typical for fused cast AZS blocks |
| Typical Modulus of Rupture | 250-350 MPa typical at room temperature |
| Thermal Expansion Coefficient | 4.5-5.5 x 10^-6/°C typical (20-1000°C) |
| Typical Application Temperature | Up to 1700°C in glass furnace environments |
Zhengzhou Huachen Refractory Co., Ltd. is based in Guancheng District, Zhengzhou, Henan Province, China. The company operates from 1899th Zhongzhou Road and is listed under the address code 450000. As a verified harbor-tier supplier, it specializes in the production of fused cast refractory materials, including AZS blocks, for industrial applications such as glass melting furnaces.
The supplier’s profile indicates it provides AZS bricks in multiple grades, tailored to specific furnace zones and operational demands. While the response rate and average response hours are currently recorded as 0.00, the company’s focus remains on delivering refractory solutions for high-temperature environments. Buyers are encouraged to contact the supplier directly to confirm technical specifications, lead times and trade terms.
AZS fused cast refractory blocks are high-performance ceramic bricks manufactured from high-purity zircon, alumina, and silica, available in AZS-33, AZS-36, and AZS-41 grades differentiated by zirconia content. These blocks are specifically engineered for glass melting furnace linings, including sidewalls, superstructures, and forehearth applications, where exceptional corrosion resistance and thermal stability are critical. Widely sourced from major refractory producers, AZS blocks are traded internationally for glass plant construction and furnace maintenance projects.
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Sourcing AZS blocks/bricks from Zhengzhou Huachen Refractory Co., Ltd. - China Import Guide
Before ordering AZS blocks from Zhengzhou Huachen Refractory Co., Ltd., verify the grade compatibility with your furnace’s operational conditions. Confirm whether AZS-33, AZS-36 or AZS-41 is required for your specific application, as each grade is optimized for different thermal and corrosion environments. Request detailed technical data sheets to cross-check the zirconia content, baddeleyite crystal distribution and vitreous phase ratios against your project specifications.
Discuss logistics, including lead times, packaging and preferred Incoterms, as these can vary based on order volume and destination. AZS blocks are typically shipped as palletized, crated loads to prevent damage during transit. Clarify whether the supplier can provide FOB or CIF terms and confirm the nearest port of shipment, as Zhengzhou is landlocked and relies on nearby ports like Qingdao or Tianjin for international orders.
Quality checks should include visual inspection for cracks, dimensional accuracy against drawings, and verification of the grade’s physical properties. Request certificates of analysis for density, porosity and modulus of rupture, and consider third-party inspection for high-value orders. Ensure the supplier provides test reports for corrosion resistance in glass melt conditions, as this is critical for furnace longevity and glass quality.
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30 suppliersBuy Azs Blocks/Bricks in Bulk — Verified Supplier in China
When sourcing Azs Blocks/Bricks for your business, securing the right balance of quality and cost is essential. Zhengzhou Huachen Refractory Co., Ltd., a verified supplier based in China, offers this product with key specifications including AZS-33, AZS-36, AZS-41 (zirconia content by weight), AZS-33: ~33% ZrO2; AZS-36: ~36% ZrO2; AZS-41: ~41% ZrO2, and Standard brick 230x114x65mm; Custom block sizes available (e.g., 300x150x100mm, 400x200x100mm). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1000/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 6902.90, making it a staple in the Bricks sector with strong demand from importing countries worldwide.
Azs Blocks/Bricks Specifications, Trade Terms & Pricing
Importing Azs Blocks/Bricks requires careful attention to shipping logistics, customs compliance, and secure payment terms. Zhengzhou Huachen Refractory 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 6902.90 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 Huachen Refractory Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Azs Blocks/Bricks 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 Bricks category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Azs Blocks/Bricks — Shipping, Logistics & Customs
Importing Azs Blocks/Bricks 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 6902.90 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 Azs Blocks/Bricks
What is the wholesale price of Azs Blocks/Bricks?
The current listed wholesale price for Azs Blocks/Bricks from Zhengzhou Huachen Refractory Co., Ltd. is $1000/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 Huachen Refractory Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Azs Blocks/Bricks?
The supplier, Zhengzhou Huachen Refractory Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Azs Blocks/Bricks. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Azs Blocks/Bricks?
For international shipping and customs clearance, Azs Blocks/Bricks is classified under HS Code 6902.90. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Azs Blocks/Bricks from China?
To import Azs Blocks/Bricks from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Zhengzhou Huachen Refractory Co., Ltd.. Ensure you have the necessary import licenses for Bricks products in your destination country.
Is Zhengzhou Huachen Refractory Co., Ltd. a verified supplier?
Yes, Zhengzhou Huachen Refractory 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 Azs Blocks/Bricks?
The key specifications for Azs Blocks/Bricks supplied by Zhengzhou Huachen Refractory Co., Ltd. include AZS-33, AZS-36, AZS-41 (zirconia content by weight), AZS-33: ~33% ZrO2; AZS-36: ~36% ZrO2; AZS-41: ~41% ZrO2, and Standard brick 230x114x65mm; Custom block sizes available (e.g., 300x150x100mm, 400x200x100mm). 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 Azs Blocks/Bricks?
Zhengzhou Huachen Refractory Co., Ltd. offers Azs Blocks/Bricks with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Azs Blocks/Bricks the most?
Azs Blocks/Bricks is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Zhengzhou Huachen Refractory Co., Ltd. through our platform.
What certifications does this Azs Blocks/Bricks supplier hold?
Zhengzhou Huachen Refractory Co., Ltd. maintains international quality certifications. These ensure that the Azs Blocks/Bricks meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Azs Blocks/Bricks on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Zhengzhou Huachen Refractory 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 Huachen Refractory Co., Ltd..
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