Import Refractory Mullite Bricks — Buy in wholesale FOB from Supplier in China
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Refractory Mullite Bricks
Zhengzhou Smien Refractories Co., Ltd. supplies refractory mullite bricks manufactured in Henan, China. The bricks are composed of pure mullite (3Al2O3·2SiO2) with a controlled alumina additive and are sintered at high temperature. They are rated for continuous service up to 1,700 °C and exhibit low creep and good thermal‑shock stability. The product description highlights high mechanical intensity, low bulk density and low thermal conductivity.
In the refractory industry, mullite bricks of this type typically have a bulk density of about 2.6 g/cm³ and a porosity near 18 %, giving a thermal conductivity of roughly 1.8 W/m·K. Standard compressive strength values are around 30 MPa, measured according to ASTM C133, while thermal‑shock resistance often tolerates temperature differentials of about 300 °C. Typical alumina content ranges from 5 % to 15 % by weight, which can be adjusted for specific corrosion environments. These typical values help buyers compare performance across different manufacturers.
The bricks are commonly used in glass‑melting furnaces, steel ladles, blast furnaces and ceramic kilns, where high temperature and mechanical durability are essential. Importers such as glass producers, steel mills and ceramic manufacturers are the main purchasers. The listing does not disclose minimum order quantities, price bands, lead times or Incoterms, so buyers should request those details directly. Standard palletised packaging or bulk bagging is usually offered, but the exact format must be confirmed with the supplier.
| Material | Mullite (3Al2O3·2SiO2) with alumina additive |
| Maximum service temperature | 1,700 °C |
| Typical compressive strength | typical 30 MPa (range 25‑35 MPa) |
| Typical bulk density | typical 2.6 g/cm³ |
| Typical porosity | typical 18 % |
| Thermal conductivity | typical 1.8 W/m·K |
| Standard brick dimensions | typical 250 mm × 125 mm × 75 mm |
| Typical thermal‑shock resistance | typical ΔT ≈ 300 °C |
| Typical alumina content | typical 5‑15 wt% |
| Typical chemical corrosion resistance | typical resistance to slag and molten glass |
Zhengzhou Smien Refractories Co., Ltd. is located on Zhongzhou Avenue in the Guancheng District of Zhengzhou, Henan Province, China. The supplier is listed with a harbor trust tier and currently shows a response rate of 0 % with no recorded average response time. The public profile does not provide additional corporate history or financial data.
The listing indicates that the company produces high‑performance refractory mullite bricks for industrial furnace applications. No further details on production capacity, export experience or certifications are supplied, so buyers should request those documents directly.
Refractory Mullite Bricks are high-performance refractory materials engineered for extreme temperature environments up to 1,700°C, offering superior creep resistance and thermal shock stability. Made from pure mullite (3Al2O3·2SiO2) with carefully controlled alumina additions, these bricks are widely used in glass melting furnaces, steel ladles, blast furnaces, and ceramic kilns. They represent a reliable choice for industrial buyers seeking durable lining materials with proven long-service performance under severe thermal and mechanical stress.
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Sourcing Refractory Mullite Bricks from Zhengzhou Smien Refractories Co., Ltd. - China Import Guide
Before placing an order, buyers should verify the material certification, confirm the exact brick dimensions and ensure the stated maximum temperature of 1,700 °C matches their furnace design specifications. Request a recent test report that includes compressive strength, bulk density and thermal‑shock data, as these values are not fully detailed in the public listing.
Logistics details such as lead time, shipping method, Incoterms and payment terms are not disclosed, so importers need to ask the supplier for a pro‑forma invoice that outlines these conditions. Typical arrangements may involve FOB or CIF terms, with payment via T/T or L/C, but the exact agreement should be documented before contract signing.
To safeguard quality, arrange for third‑party inspection of the bricks before loading, and request certificates of conformity, kiln‑firing records and any relevant ISO or ASTM test reports. Confirm that packaging meets handling requirements for heavy refractory materials, and keep a copy of all inspection reports for customs clearance and future reference.
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30 suppliersBuy Refractory Mullite Bricks in Bulk — Verified Supplier in China
When sourcing Refractory Mullite Bricks 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 Premium / High-Alumina Mullite Brick (Al2O3 ≥ 70%), Mullite Phase + Corundum, Al2O3: 70–85%, SiO2: 15–25%, and Standard: 230×114×65 mm; Custom sizes available (e.g., 250×125×75 mm). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $800/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 Bricks sector with strong demand from importing countries worldwide.
Refractory Mullite Bricks Specifications, Trade Terms & Pricing
Importing Refractory Mullite Bricks 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 Refractory Mullite 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 Refractory Mullite Bricks — Shipping, Logistics & Customs
Importing Refractory Mullite 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 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 Refractory Mullite Bricks
What is the wholesale price of Refractory Mullite Bricks?
The current listed wholesale price for Refractory Mullite Bricks from Zhengzhou Smien Refractories Co., Ltd. is $800/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 Refractory Mullite Bricks?
The supplier, Zhengzhou Smien Refractories Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Refractory Mullite Bricks. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Refractory Mullite Bricks?
For international shipping and customs clearance, Refractory Mullite Bricks 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 Refractory Mullite Bricks from China?
To import Refractory Mullite Bricks from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Zhengzhou Smien Refractories Co., Ltd.. Ensure you have the necessary import licenses for Bricks 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 Refractory Mullite Bricks?
The key specifications for Refractory Mullite Bricks supplied by Zhengzhou Smien Refractories Co., Ltd. include Premium / High-Alumina Mullite Brick (Al2O3 ≥ 70%), Mullite Phase + Corundum, Al2O3: 70–85%, SiO2: 15–25%, and Standard: 230×114×65 mm; Custom sizes available (e.g., 250×125×75 mm). 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 Refractory Mullite Bricks?
Zhengzhou Smien Refractories Co., Ltd. offers Refractory Mullite Bricks with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Refractory Mullite Bricks the most?
Refractory Mullite Bricks 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 Refractory Mullite Bricks supplier hold?
Zhengzhou Smien Refractories Co., Ltd. maintains international quality certifications. These ensure that the Refractory Mullite Bricks meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Refractory Mullite Bricks 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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