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Silica brick is a kind of acid refractory mainly made from tridymite, cristobalite and a small amount of residual quartz as well as glass phase. The raw refractory material is natural silica sand whose SiO2Â content should be more than 96%. The higher SiO2Â content in silica sand, the higher temperature silica bricks resist, its refractoriness under load is as high as 1640 ~ 1670. Glass kiln silica brick has high temperature and volume stability, no pollution to glass liquid, chemical corrosion resistance, small bulk density, and can reduce the weight of furnace body. It also has the ability of resistance to acidic and alkalic steam attack with high performance of flushing resistance. It is mainly used to build the doghouse crown, suspended wall of channel, top crown and inlet sealing, and also to be used to build the checker chamber, chute, combustion chamber, coking chamber and furnace arch in glass melting furnaces. Silica brick has good corrosion resistance to glass liquid. It is the preferred refractory for crown construction of glass melting furnaces, in terms of cost, strength and of defect potential.
| HS Code | 6902.20 |
| Material | Silica Refractory (SiO2 > 93%, Tridymite-Cristobalite Phase) |
| Grade/Type | Grade A / Standard Grade (SiO2 >= 93%) |
| Purity/Composition | SiO2 >= 93%, Al2O3 <= 1.5%, Fe2O3 <= 1.0%, CaO <= 3.0% |
| Size/Dimensions | Standard: 230x114x65mm; Custom sizes available (e.g., 250x125x75mm, 300x150x75mm) |
| Standard | ASTM C416, ISO 2245, JIS R2101, GB/T 26033 |
| Application | Coke ovens, glass furnaces, metallurgical ladles, reheating furnaces, blast furnaces, ceramic kilns |
| Packaging | Wooden pallets with plastic film wrapping, 6-9 bricks per row depending on size |
| Origin | China (primary source); also available from India, Turkey |
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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| Major Markets | Global |
| 响应时间 | <4h |
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Refractory Silica Bricks is offered by Zhengzhou Smien Refractories Co., Ltd., a Supplier based in China, in wholesale quantities for importers, distributors, and trade buyers. Contact the supplier to request pricing, minimum order quantity, and shipping terms for your destination.
When importing Refractory Silica Bricks, confirm trade terms such as FOB or CIF, packaging, and any certification or documentation you need directly with the supplier before placing a bulk order.
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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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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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