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Grade 23 Insulating Firebricks Made From Mullite ASTM Group 23
US$1.00
100-9,999 Pieces
US$0.50
10,000+ Pieces
Sample price:US$100.00/kg.Request sample
Product profile
Customization
AvailableApplication
Blast Furnace, Cement Kiln, Ceramic Kiln, Chemical Kiln, Glass Kiln, Steel-Making FurnaceMaterial
Light Weight Silica-AluminaModel NO.
TNN10Refractoriness (℃)
1580< Refractoriness< 1770Testing Laboratory
SupportAl2O3
40%Sio2
54%Cao+MGO
1.80%Transport Package
Wooden BoxSpecification
Insulating firebrick(lFB)(grade 23/grade26/grade28Trademark
TNNOrigin
ChinaHS Code
6902200000Production Capacity
20000mt/YearKey features
Energy Saving Design: Lightweight and high insulation allow thinner furnace walls, significantly saving energy.
High Compressive Strength: Supports self-supporting structures at high temperatures and adds strength to construction.
Extended Furnace Life: Reduces heat loss through joints and avoids spoilage, stretching the age of the furnaces.
Customizable Dimensions: Available in standard sizes and custom shapes, including special machined forms as required.
Low Heat Storage: Stores low heat with good effects on intermittent furnaces for efficient thermal management.
Superior Stability: High alumina content and low iron/alkali flux ensure stability and insulation in reducing atmospheres.
Company profile
Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 18 Years CertifiedNearest Port: Dalian PortAverage Response Time: ≤2.84h
AI-Powered supplier vetting
SummaryThe supplier demonstrates customization, ODM, and OEM capabilities, with customization available from samples, designs, and full specifications. Quality controls include 100% finished-product inspection, five quality-control inspectors, raw-material traceability, work instructions, and a corrective/preventive action procedure. However, the supplier reports no new products in the past year, no 3D software design, no SDK, and no ERP, OA, CRM, or SAP integration. International service infrastructure is limited: it has no overseas showroom, agents, branches, or offline trade-show participation. Service quotations accept FOB, CIF, and CFR, while peak- and off-season lead times are both one month. Evidence is insufficient to confirm certifications, financial strength, production scale, or customer cases.
Supplier typeThe supplier describes itself as an experienced mixing container service provider serving global clients and reports ODM services and OEM services for popular brands. The available evidence supports a manufacturing/service supplier profile, but does not identify a more specific formal supplier classification.
R&D capabilityThe supplier reports no new products in the past year, no 3D software design service, no SDK availability, and no ERP, OA, CRM, or SAP integration. Although ODM service is available, the explicit evidence indicates limited recent product innovation and digital R&D infrastructure.
Production capacityProduction-related controls include 100% finished-product inspection, five quality-assurance and quality-control inspectors, raw-material traceability, work instructions, and a corrective/preventive action procedure with records. The supplier reports one-month average lead times in both peak and off seasons, but production capacity, equipment, and output volume are not provided.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, ODM services, and OEM services for popular brands. It does not provide 3D software design services, but the stated customization scope is broad.
Product Q&A
Q:What are the main applications for these insulating firebricks?
A:
They are suitable for blast furnaces, cement kilns, ceramic kilns, chemical kilns, glass kilns, and steel-making furnaces.
Q:What is the chemical composition of the bricks?
A:
The composition includes 40% Al2O3, 54% SiO2, and 1.80% CaO+MgO.
Q:Are custom sizes and shapes available?
A:
Yes, in addition to standard sizes, special cemented or machined shapes are available as customer required.
Q:What are the largest standard dimensions provided?
A:
The biggest standard dimensions are 900x500x100mm, 610x230x76mm, and 308x305x158mm, with options up to 1000mm length.
Q:What are the payment terms and lead time?
A:
Payment terms are LC, T/T, or D/P. The average lead time is one month for both peak and off-season.
Send Inquiry
*To:
THE TNN DEVELOPMENT LIMITED
THE TNN DEVELOPMENT LIMITED*Content:
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