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Kiln Refractory Bircks 43% Al2O3 FM-23 Fire Light Weight Mullite Insulation Birck
US$0.75
500-4,999 Pieces
US$0.60
5,000+ Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableFeature
Light Weight, Long Time MaterialsRefractoriness (℃)
1580< Refractoriness< 1770Model NO.
JM23 JM26 JM28 JM30 JM32Shape
BrickProduct Name
Mullite Insulation Refractory BircksCold Compressive Strength
1.2-2.5 MPaBulk Density
0.55-1.03 g/cm3Fe2o3
Max 1.0%Softening Temperature Under Load
More Than 1420Apparent Porosity (%)
More Than 62%Usage
Glass Furnace, Steel Converter .etcPrice
Factory OutletsKeyword
Light Weight Insulation Mullite Bricks StaSamples
ProvideType
Refractory MaterialMaterial
MulliteTransport Package
Wooden BoxSpecification
CustomizableTrademark
RSNCOrigin
ChinaHS Code
6902200000Production Capacity
10000t/YearKey features
High Porosity & Low Density: Features high porosity and small volume density for excellent insulation performance.
Superior Thermal Shock Resistance: Fused mullite bricks offer better thermal shock resistance compared to sintered products.
Multiple Alumina Grades: Available in 5 grades (JM23-JM32) with Al2O3 content from 37% to 77%.
OEM & ODM Services: Full customization available from samples or designs with professional R&D support.
Low Thermal Conductivity: Thermal conductivity ranges from 0.14 to 0.53 W/m*K depending on temperature and grade.
Diverse Industrial Applications: Ideal for glass furnaces, steel converters, hot blast stoves, and sintering kilns.
ISO Certified Quality: Manufactured under ISO9001:2015, ISO45001:2018, and ISO14001 management systems.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 14 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.91h
AI-Powered supplier vetting
SummaryThe supplier is a professional refractory-material and kiln-engineering supplier with capabilities covering shaped and unshaped refractory materials, castables, refractory cement, wear-resistant ceramics, graphite electrodes, kiln equipment, and related engineering services. It provides 3D design, sample/design-based customization, ODM, and OEM services, but reported no new products during the past year and has no SDK. Production information indicates two production lines and stated annual capacities including 100,000 tons of refractory bricks, 30,000 tons of refractory castable, 30,000 tons of refractory cement, and 50,000 tons of another refractory castable category. Quality and management certifications include CE, ISO9001:2015, ISO45001:2018, and ISO14001. Service procedures, complaint handling, corrective actions, and finished-product inspection are documented and followed. However, the supplier lacks overseas agents, branches, warehouses, and showrooms, and has no valid manufacturing-capacity...
Supplier typeThe supplier explicitly identifies as a professional technical supplier and operates across refractory materials, castables, ceramics, graphite electrodes, kiln equipment, and kiln-related engineering services. This indicates a specialized industrial supplier rather than a general trading entity.
CertificationsThe supplier reports CE product compliance certification and ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. These stated certifications provide explicit evidence of formal quality, occupational safety, and environmental management coverage.
After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions, customer complaints, supplier-service assessment, and quality assurance, and it maintains in-stock service capability. However, it has no overseas warehouse, showroom, agent, or branch, so overseas physical service support is limited.
R&D capabilityThe supplier has three R&D engineers and provides 3D design, ODM, and OEM services, demonstrating design and development capability. However, it reported no new products in the past year and has no available SDK, so evidence of recent product innovation is limited.
Production capacityThe supplier operates two production lines and reports substantial annual capacities, including 100,000 tons of refractory bricks, 30,000 tons of refractory castable, 30,000 tons of refractory cement, and another 50,000-ton refractory castable category. It has defined equipment and finished-product inspection instructions, but lacks a valid contract between the factory and related subcontractor, creating a documented capacity-governance concern.
Customization capabilityThe supplier explicitly offers customization from samples and designs, 3D software design services, and ODM services. These combined capabilities directly support customized product development and manufacturing.
Product Q&A
Q:Are you a manufacturer?
A:
Yes, of course, our factory is in Xinmi, Zhengzhou city, Henan province.
Q:Can we visit your company?
A:
Sure, welcome at any time, seeing is believing.
Q:Do you accept OEM?
A:
Yes, we can do OEM.
Q:What's the MOQ of trial order?
A:
No limit, we can offer the best suggestions and solutions according to your condition.
Q:What are the payment terms?
A:
Usually T/T, but L/C, Western Union etc are available for us.
Send Inquiry
*To:
ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED*Content:
Supplier replies will be sent to your registered email
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