Import Astm 23 Insulation Bricks — Buy in wholesale FOB from Supplier in China
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ASTM 23 Insulation Bricks
These ASTM 23 insulation bricks are fireclay-based aluminosilicate refractory products supplied by Yangquan Shuang Baisheng Trading Co., Ltd., designed for thermal insulation in industrial furnaces and kilns. The bricks are composed of SiO2-Al2O3 with a minimum Al2O3 content of 51.46% and Fe2O3 content limited to 0.82%, offering low thermal conductivity and energy-saving properties for applications up to 1300°C.
The standard specification includes a bulk density of 0.66 g/cm3 and a cold crushing strength of 2.04 MPa, with a reheating linear change of -0.1% after 24 hours at 1230°C. Thermal conductivity varies with temperature: 0.17 W/m·K at 400°C, 0.19 W/m·K at 600°C, and 0.21 W/m·K at 800°C. These properties make the bricks ideal for use as insulation linings or non-load-bearing layers in metallurgy, ceramics, and glass industries.
Buyers of these bricks typically include manufacturers in steel, aluminum, petrochemical, and power sectors where energy efficiency and heat retention are priorities. The bricks are exported globally as a low-carbon, environmentally friendly solution. Importers should confirm the exact dimensions, thermal conductivity values, and application suitability for their specific furnace or kiln configurations.
| Material Composition | Fireclay aluminosilicate (SiO2-Al2O3 based) |
| Al2O3 Content | 51.46% (minimum) |
| Fe2O3 Content | 0.82% (maximum) |
| Bulk Density | 0.66 g/cm3 |
| Cold Crushing Strength | 2.04 MPa |
| Reheating Linear Change | -0.1% at 1230°C for 24 hours |
| Thermal Conductivity at 400°C | 0.17 W/m·K |
| Thermal Conductivity at 600°C | 0.19 W/m·K |
| Thermal Conductivity at 800°C | 0.21 W/m·K |
| Maximum Application Temperature | 1300°C (typical for ASTM 23) |
| Standard Classification | ASTM C155 (typical for fireclay insulation bricks) |
Yangquan Shuang Baisheng Trading Co., Ltd. is located in the Yuandong Department Development Area, Yangquan, Shanxi Province, China. The company specialises in refractory materials, including insulation bricks, and caters to industries such as metallurgy, petrochemicals, and ceramics. Their focus on ASTM-standard products indicates a commitment to meeting international quality benchmarks.
The supplier’s profile does not provide details on response rates, certifications, or production capacity. Buyers should directly confirm the company’s ability to handle bulk orders, export documentation, and compliance with industry-specific standards. The lack of verified response metrics suggests the need for proactive follow-up to ensure timely communication.
ASTM 23 insulation bricks are high-performance fireclay-based refractory products designed for thermal insulation in kilns, furnaces, and industrial heating equipment. These bricks offer low thermal conductivity and excellent energy-saving properties, making them ideal for steel, ceramics, and glass industries. Manufactured to ASTM standards, they are exported globally as a low-carbon, environmentally friendly insulation solution for high-temperature applications up to approximately 1300°C.
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Sourcing ASTM 23 Insulation Bricks from Yangquan Shuang Baisheng Trading Co., Ltd. - China Import Guide
Before placing an order, verify the bricks’ thermal conductivity values at your operating temperatures and confirm their suitability for your specific furnace or kiln design. Request test reports for bulk density, cold crushing strength, and reheating linear change to ensure the material meets ASTM 23 standards and your project’s performance criteria.
Discuss logistics details such as lead time, Incoterms (e.g., FOB Yangquan), and payment terms with the supplier. Clarify packaging standards for export, including whether the bricks are palletised, shrink-wrapped, or crated to prevent breakage during transit. Maritime shipping may require additional moisture-proof packaging.
Upon receipt, inspect the bricks for dimensional accuracy, visible cracks, or damage. For critical applications, conduct a pre-installation test to verify thermal conductivity and mechanical strength. Arrange third-party inspection at the supplier’s facility if large quantities are involved, to ensure compliance with your specifications and ASTM standards.
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30 suppliersBuy Astm 23 Insulation Bricks in Bulk — Verified Supplier in China
When sourcing Astm 23 Insulation Bricks for your business, securing the right balance of quality and cost is essential. Yangquan Shuang Baisheng Trading Co., Ltd., a verified supplier based in China, offers this product with key specifications including ASTM 23 (Class 23) Insulating Firebrick (IFB), Aluminosilicate; Al2O3 typically 30-45%, SiO2 balance; low iron content, and Standard: 230 x 114 x 65 mm (also available in 250 x 125 x 75 mm and custom cut sizes). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $0.61/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.
Astm 23 Insulation Bricks Specifications, Trade Terms & Pricing
Importing Astm 23 Insulation Bricks requires careful attention to shipping logistics, customs compliance, and secure payment terms. Yangquan Shuang Baisheng Trading 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 Yangquan Shuang Baisheng Trading Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Astm 23 Insulation 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 Astm 23 Insulation Bricks — Shipping, Logistics & Customs
Importing Astm 23 Insulation 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 Astm 23 Insulation Bricks
What is the wholesale price of Astm 23 Insulation Bricks?
The current listed wholesale price for Astm 23 Insulation Bricks from Yangquan Shuang Baisheng Trading Co., Ltd. is $0.61/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 Yangquan Shuang Baisheng Trading Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Astm 23 Insulation Bricks?
The supplier, Yangquan Shuang Baisheng Trading Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Astm 23 Insulation Bricks. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Astm 23 Insulation Bricks?
For international shipping and customs clearance, Astm 23 Insulation 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 Astm 23 Insulation Bricks from China?
To import Astm 23 Insulation Bricks from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Yangquan Shuang Baisheng Trading Co., Ltd.. Ensure you have the necessary import licenses for Bricks products in your destination country.
Is Yangquan Shuang Baisheng Trading Co., Ltd. a verified supplier?
Yes, Yangquan Shuang Baisheng Trading 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 Astm 23 Insulation Bricks?
The key specifications for Astm 23 Insulation Bricks supplied by Yangquan Shuang Baisheng Trading Co., Ltd. include ASTM 23 (Class 23) Insulating Firebrick (IFB), Aluminosilicate; Al2O3 typically 30-45%, SiO2 balance; low iron content, and Standard: 230 x 114 x 65 mm (also available in 250 x 125 x 75 mm and custom cut sizes). 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 Astm 23 Insulation Bricks?
Yangquan Shuang Baisheng Trading Co., Ltd. offers Astm 23 Insulation Bricks with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Astm 23 Insulation Bricks the most?
Astm 23 Insulation Bricks is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Yangquan Shuang Baisheng Trading Co., Ltd. through our platform.
What certifications does this Astm 23 Insulation Bricks supplier hold?
Yangquan Shuang Baisheng Trading Co., Ltd. maintains international quality certifications. These ensure that the Astm 23 Insulation Bricks meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Astm 23 Insulation Bricks on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Yangquan Shuang Baisheng Trading 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 Yangquan Shuang Baisheng Trading Co., Ltd..
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