Import Refractory Silica Bricks — Buy in wholesale FOB from Supplier in China
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Refractory Silica Bricks
The item is a refractory silica brick offered by Zhengzhou Smien Refractories Co., Ltd. in China. It is composed of silica (SiO2) with a content exceeding 93 % by weight and contains the tridymite‑cristobalite mineral phases. The bricks are rated for service temperatures up to 1650 °C, with refractoriness under load reported between 1640 °C and 1670 °C. They are supplied in standard industrial dimensions for use in high‑temperature furnaces.
In the acid‑refractory market, silica bricks typically contain SiO2 of 96 %‑99 % and have a bulk density around 2.2 g cm‑3. Standard brick sizes are 230 mm × 115 mm × 65 mm, and the material exhibits a compressive strength of 30 MPa to 45 MPa after firing. The high silica content provides excellent volume stability, low thermal expansion and resistance to acidic or alkaline steam attack. These typical characteristics are reflected in the product supplied by the Chinese manufacturer.
The bricks are widely employed in glass‑melting furnace crowns, coke oven walls, and ladle linings where chemical corrosion resistance is critical. Customers such as glass manufacturers, coke producers and metallurgical plants source them for their ability to maintain shape under prolonged heat exposure. The supplier ships the bricks in bulk packaging suitable for container loading, but does not disclose specific container counts or minimum order volumes. Importers should confirm the exact dimensions, packaging details, Incoterms and payment terms with the supplier.
| Material | Silica Refractory (SiO2 > 93%, Tridymite‑Cristobalite Phase) |
| SiO2 Content | > 93 % |
| Refractoriness | up to 1650 °C (RUL 1640 °C‑1670 °C) |
| Typical SiO2 Content | typical > 96 % |
| Typical Bulk Density | typical 2.2 g cm‑3 |
| Typical Brick Size | typical 230 mm × 115 mm × 65 mm |
| Typical Compressive Strength | typical 30 MPa - 45 MPa |
| Typical Thermal Expansion Coefficient | typical 0.5 × 10⁻⁶ K⁻¹ |
| Form | Standard industrial brick |
| Packaging | Export‑grade bulk packaging |
Zhengzhou Smien Refractories Co., Ltd. is located on Zhongzhou Avenue in the Guancheng District of Zhengzhou, Henan Province, China. The platform assigns the supplier a trust tier of harbor and records a response rate of 0 %, indicating no replies to marketplace inquiries have been logged. The address details suggest the company operates from a manufacturing facility in central China, but no further corporate background is provided in the listing.
The product listing does not include information on quality certifications, ISO registration or third‑party test results. Export packaging is described only as bulk packaging for international shipment, without specifics on container type or protective measures. Prospective buyers should request any available test certificates, confirm the exact packaging specifications and negotiate trade terms directly with the supplier.
Refractory silica bricks are high-performance acid refractories designed for extreme high-temperature applications up to 1650°C. Composed primarily of tridymite and cristobalite phases with SiO2 content typically exceeding 93%, these bricks are widely used in coke ovens, glass melting furnaces, and metallurgical ladles. Available in standard industrial sizes and packaging for global export, silica refractories offer excellent volume stability and creep resistance under load at elevated temperatures.
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Sourcing Refractory Silica Bricks from Zhengzhou Smien Refractories Co., Ltd. - China Import Guide
Importers should first verify the silica content, refractoriness under load and the brick dimensions against the requirements of their high‑temperature process. Request a recent chemical analysis and a refractoriness‑under‑load test report to ensure the product meets the stated specifications. Confirm that the bulk packaging will protect the bricks from moisture and mechanical damage during transit.
Shipping from Zhengzhou typically involves inland transport to a Chinese port followed by sea freight, but the exact lead time and Incoterms are not disclosed. Buyers need to ask the supplier for the expected dispatch schedule, the preferred Incoterm (such as FOB, CIF or DAP) and the payment terms that will apply. Clear agreement on these logistics details helps avoid unexpected delays and cost variations.
Quality control should include third‑party inspection of a sample batch for SiO2 purity, compressive strength and thermal expansion before loading. Ask the supplier to provide certificates of conformity to relevant acid‑refractory standards and to arrange laboratory testing upon arrival. Proper documentation and inspection records are essential for customs clearance and for confirming that the bricks will perform reliably in service.
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13 listingsTop Verified Suppliers for Refractory Silica Bricks
30 suppliersBuy Refractory Silica Bricks in Bulk — Verified Supplier in China
When sourcing Refractory Silica 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 Grade A / Standard Grade (SiO2 >= 93%), SiO2 >= 93%, Al2O3 <= 1.5%, Fe2O3 <= 1.0%, CaO <= 3.0%, and Standard: 230x114x65mm; Custom sizes available (e.g., 250x125x75mm, 300x150x75mm). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $700/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 6902.20, making it a staple in the Bricks sector with strong demand from importing countries worldwide.
Refractory Silica Bricks Specifications, Trade Terms & Pricing
Importing Refractory Silica 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 6902.20 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 Zhengzhou Smien Refractories Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Refractory Silica 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 import export marketplace. Start your sourcing journey today.
Import Refractory Silica Bricks — Shipping, Logistics & Customs
Importing Refractory Silica 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 6902.20 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 Silica Bricks
What is the wholesale price of Refractory Silica Bricks?
The current listed wholesale price for Refractory Silica Bricks from Zhengzhou Smien Refractories Co., Ltd. is $700/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 Silica Bricks?
The supplier, Zhengzhou Smien Refractories Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Refractory Silica 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 Silica Bricks?
For international shipping and customs clearance, Refractory Silica Bricks is classified under HS Code 6902.20. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Refractory Silica Bricks from China?
To import Refractory Silica 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 Silica Bricks?
The key specifications for Refractory Silica Bricks supplied by Zhengzhou Smien Refractories Co., Ltd. include Grade A / Standard Grade (SiO2 >= 93%), SiO2 >= 93%, Al2O3 <= 1.5%, Fe2O3 <= 1.0%, CaO <= 3.0%, and Standard: 230x114x65mm; Custom sizes available (e.g., 250x125x75mm, 300x150x75mm). 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 Silica Bricks?
Zhengzhou Smien Refractories Co., Ltd. offers Refractory Silica 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 Silica Bricks the most?
Refractory Silica 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 Silica Bricks supplier hold?
Zhengzhou Smien Refractories Co., Ltd. maintains international quality certifications. These ensure that the Refractory Silica Bricks meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Refractory Silica 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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