Import Alumina Hollow Ball Castable — Buy in wholesale FOB from Supplier in China
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Alumina Hollow Ball Castable
This alumina hollow ball castable is a high-temperature insulation material manufactured from industrial-grade alpha-Al2O3 microcrystals. It is designed for use in extreme heat environments, such as steel plants, cement kilns, and glass furnaces, where thermal efficiency and structural integrity are critical. The product’s hollow ball structure reduces bulk density while maintaining mechanical strength, enabling it to withstand service temperatures up to 1800°C.
The castable’s primary material is alpha-alumina, which offers low thermal conductivity and high wear resistance. Hollow ball castables are typically 40-60% lighter than dense refractories, with bulk densities around 1.5-2.0 g/cm³. This makes them ideal for lining furnaces and kilns where weight savings translate to energy efficiency and reduced thermal mass. The material can be cast into various shapes, allowing for customized installations in complex geometries.
Industrial buyers, particularly in the metallurgy and cement sectors, use this product to line high-temperature equipment, reducing heat loss and improving operational longevity. The castable’s ability to form stable structures at elevated temperatures makes it a preferred choice for insulation in rotary kilns, ladles, and other thermal processing units. Buyers should confirm the supplier’s recommended curing and drying schedules to avoid thermal shock during installation.
| Primary Material | Alpha-Al2O3 (Industrial Alumina) Microcrystalline |
| Maximum Service Temperature | 1800°C |
| Bulk Density | typical 1.5-2.0 g/cm³ |
| Thermal Conductivity | standard 0.5-1.0 W/m·K at 1000°C |
| Mechanical Strength | typical 3-5 times that of conventional lightweight castables |
| Form | Castable (moldable into custom shapes) |
| Hollow Ball Diameter | standard 20-50mm |
| Porosity | typical 60-70% |
| Application | Steel plants, cement kilns, glass furnaces |
| Curing Requirement | standard 24-48 hours at ambient temperature |
Henan Hongtai Kiln Refractory Co., Ltd. is located in Chaohua Town, Xinmi City, Henan Province, China. The company specializes in refractory materials, with a focus on high-temperature solutions for industrial applications. Its harbor trust tier indicates a verified business presence, though specific details such as response rate or production capacity are not disclosed in the profile.
The supplier’s expertise lies in developing refractory products tailored for extreme environments, with the alumina hollow ball castable being a flagship offering. While the profile does not provide certifications or export history, the technical description highlights the product’s suitability for demanding industrial settings. Buyers are encouraged to request material test reports and application case studies to validate performance claims.
Alumina Hollow Ball Castable is a high-performance refractory castable made from industrial-grade alpha-Al2O3 microcrystals, designed for high-temperature insulation in steel plants, cement kilns, and glass furnaces. It offers excellent thermal insulation, low thermal conductivity, and superior wear resistance at service temperatures exceeding 1500C. This product is in high demand across industrial sectors globally, making it a key export commodity in the international refractory materials trade.
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Sourcing Alumina Hollow Ball Castable from Henan Hongtai Kiln Refractory Co., Ltd. - China Import Guide
Before placing an order, verify the castable’s suitability for your specific application by reviewing its thermal and mechanical properties. Request the supplier’s technical datasheet, including thermal conductivity, cold crushing strength, and maximum service temperature. For critical applications, consider third-party testing to validate performance under your operating conditions.
Logistics considerations include packaging to prevent damage during transit, as refractory materials can be brittle. Confirm the supplier’s lead times, as custom shapes or large volumes may require extended production schedules. Incoterms such as FOB or CIF should be agreed upon, with payment terms typically involving a deposit and balance before shipment. Discuss whether the supplier provides installation guidance or support.
Quality checks should include visual inspection for cracks or inconsistencies, dimensional verification of pre-cast shapes, and confirmation of bulk density. Request documentation such as material certificates, test reports, and compliance with industry standards like ASTM or ISO. A pre-shipment inspection can help ensure the product meets your specifications and avoids costly installation issues.
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13 listingsTop Verified Suppliers for Alumina Hollow Ball Castable
30 suppliersBuy Alumina Hollow Ball Casta in Bulk — Verified Supplier in China
When sourcing Alumina Hollow Ball Castable for your business, securing the right balance of quality and cost is essential. Henan Hongtai Kiln Refractory Co., Ltd., a verified supplier based in China, offers this product with key specifications including High Alumina Hollow Ball Castable, Al2O3 content 70-95%, Alpha-Al2O3 microcrystalline phase, Al2O3 >= 70%, and Particle size 1-6mm hollow balls, bulk density 1.2-1.8 g/cm3. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $8001,200./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. 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.
Alumina Hollow Ball Casta Specifications, Trade Terms & Pricing
Importing Alumina Hollow Ball Casta requires careful attention to shipping logistics, customs compliance, and secure payment terms. Henan Hongtai Kiln 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 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 global B2B marketplace designed to make cross-border trade secure and efficient.
About Henan Hongtai Kiln Refractory Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Alumina Hollow Ball Casta 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 Alumina Hollow Ball Casta — Shipping, Logistics & Customs
Importing Alumina Hollow Ball Casta 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 Alumina Hollow Ball Casta
What is the wholesale price of Alumina Hollow Ball Castable?
The current listed wholesale price for Alumina Hollow Ball Castable from Henan Hongtai Kiln Refractory Co., Ltd. is $8001,200./Unit 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 Henan Hongtai Kiln Refractory Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Alumina Hollow Ball Casta?
The supplier, Henan Hongtai Kiln Refractory Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Alumina Hollow Ball Casta. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Alumina Hollow Ball Castable?
For international shipping and customs clearance, Alumina Hollow Ball Castable 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 Alumina Hollow Ball Casta from China?
To import Alumina Hollow Ball Casta from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Henan Hongtai Kiln Refractory Co., Ltd.. Ensure you have the necessary import licenses for Bricks products in your destination country.
Is Henan Hongtai Kiln Refractory Co., Ltd. a verified supplier?
Yes, Henan Hongtai Kiln 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 Alumina Hollow Ball Castable?
The key specifications for Alumina Hollow Ball Castable supplied by Henan Hongtai Kiln Refractory Co., Ltd. include High Alumina Hollow Ball Castable, Al2O3 content 70-95%, Alpha-Al2O3 microcrystalline phase, Al2O3 >= 70%, and Particle size 1-6mm hollow balls, bulk density 1.2-1.8 g/cm3. 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 Alumina Hollow Ball Casta?
Henan Hongtai Kiln Refractory Co., Ltd. offers Alumina Hollow Ball Casta with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Alumina Hollow Ball Casta the most?
Alumina Hollow Ball Casta is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Henan Hongtai Kiln Refractory Co., Ltd. through our platform.
What certifications does this Alumina Hollow Ball Casta supplier hold?
Henan Hongtai Kiln Refractory Co., Ltd. maintains international quality certifications. These ensure that the Alumina Hollow Ball Casta meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Alumina Hollow Ball Castable on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Henan Hongtai Kiln 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 Henan Hongtai Kiln Refractory Co., Ltd..
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