Clay insulating bricks NG Series
Professional manufacturer of NG Series clay insulating firebricks with superior thermal insulation, lightweight design, and high-temperature resistance for industrial furnaces, kilns, and thermal equipment.
Key words:
clay insulating firebricks
lightweight fire bricks
insulating refractory bricks
thermal insulation bricks
fireclay bricks
soft fire bricks
kiln insulation
furnace lining
industrial refractories
heat resistant bricks
energy efficient insulation
Classification:
Product Introduction
NG Series Premium Clay Insulating Firebricks
High Temperature Performance
Service temperatures up to 1350°C with excellent dimensional stability and thermal shock resistance
Ultra-Lightweight Design
Reduced structural load with bulk densities from 0.6 to 1.0 g/cm³ for easier installation and handling
Superior Insulation
Exceptional thermal conductivity values (0.25-0.50 W/m·K) for maximum energy conservation
Reliable Strength
Cold crushing strength up to 2.94 MPa ensuring structural integrity in demanding applications
Product Overview
The NG Series represents our advanced line of clay insulating firebricks, specifically engineered for professional industrial applications requiring superior thermal insulation combined with reliable structural performance. These premium firebricks are manufactured using high-quality fire clay and advanced processing techniques to deliver exceptional thermal efficiency while maintaining excellent mechanical properties.
Five Precision-Engineered Density Grades
Available in five carefully calibrated grades from NG-0.6 to NG-1.0, each formulated to meet specific density and performance requirements. This comprehensive range allows optimal material selection for diverse industrial thermal applications.
Our NG Series clay insulating firebricks combine the traditional reliability of fire clay with modern manufacturing excellence, making them ideal for furnace linings, kiln construction, backup insulation, and thermal barrier applications where lightweight design and superior insulation performance are essential for operational efficiency.
Technical Specifications
Comprehensive performance data for all NG Series grades, manufactured and tested to international refractory standards:
| Material Grade | NG-1.0 | NG-0.9 | NG-0.8 | NG-0.7 | NG-0.6 |
|---|---|---|---|---|---|
| Bulk Density (g/cm³) | ≤1.0 | ≤0.9 | ≤0.8 | ≤0.7 | ≤0.6 |
| Cold Crushing Strength (MPa) | ≥2.94 | ≥2.45 | ≥2.45 | ≥1.96 | ≥1.47 |
| Thermal Conductivity at 350±25°C (W/m·K) | ≤0.50 | ≤0.40 | ≤0.35 | ≤0.35 | ≤0.25 |
| Maximum Service Temperature (°C) | 1350 | 1300 | 1250 | 1250 | 1200 |
*Maximum service temperature represents the temperature at which linear dimensional change does not exceed 2%
Manufacturing Excellence
Our NG Series clay insulating firebricks are manufactured using premium fire clay raw materials and advanced production techniques that ensure consistent quality and performance:
Premium Fire Clay Composition
High-quality fire clay with controlled alumina and silica content provides excellent refractoriness and thermal stability.
Controlled Porosity Structure
Engineered pore structure using organic burnout materials creates optimal thermal insulation properties.
Precision Manufacturing Process
Advanced forming and firing techniques ensure uniform density distribution and consistent dimensional accuracy.
Quality Assurance Testing
Comprehensive testing protocols verify thermal, mechanical, and dimensional properties for each production batch.
Industrial Applications
NG Series clay insulating firebricks are extensively utilised across diverse high-temperature industries for their reliable performance and thermal efficiency:
Steel & Metallurgical Industry
Backup insulation for electric arc furnaces, induction furnace linings, ladle insulation, heat treatment furnaces, and steel reheating applications.
Ceramic & Pottery Manufacturing
Kiln car construction, shuttle kiln walls, tunnel kiln insulation, ceramic firing equipment, and pottery kiln backup systems.
Glass Industry Applications
Glass furnace backup insulation, annealing lehr construction, tempering furnace linings, and glassmaking equipment thermal barriers.
Petrochemical Processing
Fired heater backup insulation, cracking furnace linings, reactor vessel insulation, and high-temperature process equipment.
Power Generation
Boiler insulation systems, combustion chamber backup, flue gas duct linings, and thermal power plant refractory applications.
Industrial Furnace Construction
Heat treatment furnaces, forging furnaces, tempering ovens, industrial oven insulation, and thermal processing equipment.
Key Performance Features
Advanced engineering and quality materials deliver superior performance across critical operational parameters:
Excellent Thermal Shock Resistance
Superior ability to withstand rapid temperature changes without cracking, ensuring long service life in cycling applications.
Low Heat Storage Capacity
Reduced thermal mass enables faster heating and cooling cycles, improving energy efficiency and production throughput.
Easy Machinability
Soft brick structure allows easy cutting and shaping with standard tools for custom installations and field modifications.
Chemical Stability
Excellent resistance to most industrial atmospheres and chemical environments encountered in high-temperature processes.
Dimensional Stability
Minimal thermal expansion and shrinkage maintains structural integrity and joint sealing over extended service periods.
Cost-Effective Installation
Lightweight design reduces installation time, structural support requirements, and overall project costs significantly.
Energy Conservation
Superior insulation properties dramatically reduce fuel consumption and heat loss, lowering operational costs.
Versatile Applications
Wide temperature range and multiple density grades provide solutions for diverse industrial thermal applications.
Related Products
Product Consulting
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For more product information or technical support, please contact us
Contact Information
Contact:+86-19171489999
Address: Yangzhai Town Metallurgical Industrial Park, Guangshui City, Hubei Province
Copyright©Hubei Zhongnai New Material Technology Co., Ltd.
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