Ceramic fiber products are advanced high-temperature insulation materials designed for industrial furnaces, kilns, boilers, and thermal processing equipment. With superior heat resistance, low thermal conductivity, and flexible forms, these materials help industries improve furnace efficiency, reduce operating costs, and extend equipment service life.
Highland Refractory, a leading manufacturer of refractory materials, offers a complete range of ceramic fiber products engineered for demanding industrial environments. Our products are trusted worldwide in steel, non-ferrous metallurgy, petrochemical, cement, glass, and energy industries, providing reliable thermal insulation solutions with continuous service temperatures ranging from 1260°C to 1600°C.
Ceramic fiber products are lightweight insulation materials primarily composed of alumina-silica fibers. Compared with traditional dense refractories, ceramic fiber insulation provides:
Superior heat resistance to withstand extreme temperatures
Low density and low thermal mass, reducing furnace weight and heat storage
Flexible and adaptable forms suitable for complex furnace geometries
High thermal shock resistance, enduring rapid heating and cooling cycles
Chemical stability in most industrial atmospheres
These materials are manufactured into multiple forms—blankets, boards, modules, papers, ropes, and tapes—allowing engineers to select the appropriate insulation solution for furnace design, operating conditions, and installation requirements.
Ceramic fiber products are particularly advantageous in industrial applications because they reduce energy consumption, enhance furnace efficiency, and minimize maintenance needs. Their lightweight structure facilitates easier handling and faster installation compared with traditional refractory bricks.
Highland Refractory provides a comprehensive range of ceramic fiber products to meet diverse industrial insulation needs. Each product is manufactured under strict quality control standards and available in multiple temperature grades.
Flexible insulation material widely used for furnace walls, roofs, ducts, and curved surfaces.
Continuous Use Temperature: 1260°C–1430°C
Density: 128–320 kg/m³
Thermal Conductivity: 0.12–0.18 W/m·K (@ 800°C)
Thickness: 6–100 mm
Roll Width: 610–1220 mm
Roll Length: 10–25 m
Color: Off-white to light gray
Applications: Furnace lining, back-up insulation, thermal shields, expansion joints
Advantages: Excellent flexibility, high resilience, fast installation, reduces heat loss and thermal bridging
Ceramic fiber blankets are made by pressing high-purity alumina-silica fibers into thin mats, offering superior conformity to irregular surfaces. They are ideal for areas requiring fast thermal response and lightweight insulation.
Rigid insulation panels with high mechanical strength and dimensional stability.
Continuous Use Temperature: 1260°C–1430°C
Density: 320–480 kg/m³
Compressive Strength: 2–5 MPa
Thermal Conductivity: 0.15–0.28 W/m·K (@ 800°C)
Thickness: 10–100 mm
Dimensions: 610×1220 mm, customizable
Color: White to light gray
Applications: Furnace doors, hot-face linings, back-up insulation, kiln panels
Advantages: High rigidity, stable dimensions under heat, easy to cut and install, provides reliable mechanical support
Ceramic fiber boards are manufactured using dry pressing and curing techniques, creating dense panels that maintain structural integrity under high temperatures. These boards are excellent for hot-face insulation where compressive strength is critical.
Pre-compressed insulation units designed for rapid installation and minimal joints.
Continuous Use Temperature: 1260°C–1430°C
Density: 160–320 kg/m³
Thermal Conductivity: 0.12–0.20 W/m·K (@ 800°C)
Dimensions: Customizable per furnace design
Color: White to off-white
Applications: Industrial furnace linings, kiln walls, high-efficiency insulation systems
Advantages: Easy installation, reduced installation gaps, improved lining integrity, energy-saving performance
Modules are pre-compressed from ceramic fiber blankets into compact blocks, providing consistent thickness and minimal shrinkage during furnace operation. This makes them ideal for high-temperature applications requiring rapid, efficient installation.
Thin, uniform insulation material for high-temperature sealing, gasketing, and thermal isolation.
Continuous Use Temperature: 1260°C–1430°C
Density: 128–160 kg/m³
Thickness: 0.5–6 mm
Thermal Conductivity: 0.12–0.15 W/m·K (@ 800°C)
Dimensions: Roll widths 610–1220 mm, lengths 10–50 m
Applications: Expansion joints, thermal seals, gasket materials, lining protection
Advantages: Thin, flexible, precise thickness control, excellent heat resistance, easy to cut and handle
Ceramic fiber paper is widely used in thermal sealing and packing, and it is especially suited for applications requiring tight clearances and low-profile insulation.
Braided high-temperature insulation rope for sealing, wrapping, and packing.
Continuous Use Temperature: 1260°C–1430°C
Diameter: 6–50 mm
Thermal Conductivity: 0.12–0.16 W/m·K (@ 800°C)
Applications: Furnace door seals, expansion joints, pipe insulation, high-temperature packing
Advantages: Flexible, high temperature resistant, excellent mechanical strength, easy to compress for sealing
Ropes can be reinforced with stainless steel wire or ceramic yarns to improve strength and durability in demanding industrial environments. They are ideal for moving parts or areas requiring compressible insulation.
Flexible braided or woven insulation tape for sealing and wrapping applications.
Continuous Use Temperature: 1260°C–1430°C
Width: 10–50 mm
Thickness: 2–10 mm
Thermal Conductivity: 0.12–0.16 W/m·K (@ 800°C)
Applications: Furnace sealing, wrapping pipes, thermal insulation of irregular surfaces
Advantages: Flexible, heat resistant, easy to cut and wrap, ideal for tight or curved surfaces
Ceramic fiber tapes are suitable for furnace doors, ducts, and joints, providing effective thermal isolation and sealing against heat loss.
Highland Refractory’s ceramic fiber products offer multiple benefits for industrial insulation:
Low thermal conductivity for maximum energy efficiency
Lightweight structure reduces furnace load and allows faster heating/cooling cycles
Excellent thermal shock resistance to withstand rapid temperature fluctuations
High chemical and corrosion stability under most industrial atmospheres
Flexibility and form adaptability for complex furnace geometries
Customizable dimensions and density to meet specific application needs
By selecting the right combination of blankets, boards, modules, papers, ropes, and tapes, industries can achieve optimized furnace performance, improved energy efficiency, and extended refractory life.
Ceramic fiber insulation products are widely used across various high-temperature industries:
Furnace linings, ladle covers, tundish insulation
Protects equipment from molten metal erosion
Reduces energy consumption and improves process stability
Reformers, cracking furnaces, reactors
Provides thermal efficiency in continuous high-temperature operation
Ensures safe operation in aggressive chemical atmospheres
Kiln linings, expansion joints, thermal seals
Maintains consistent temperature for product quality
Reduces energy usage and thermal loss
High-temperature furnace insulation
Protects structure from heat damage
Improves operational safety and efficiency
High-temperature ducts, heat exchangers, thermal shields
Custom solutions for unique furnace designs and temperature requirements
Highland Refractory is a trusted ceramic fiber manufacturer with decades of experience supplying high-quality insulation products globally. Our advantages include:
Full production capabilities: blankets, boards, modules, papers, ropes, tapes
Custom solutions: based on furnace design, operating temperature, and installation conditions
Quality control: testing for thermal conductivity, density, temperature resistance, and mechanical performance
Global logistics support: reliable delivery and competitive pricing
Technical support: guidance on installation, product selection, and maintenance
We provide integrated insulation solutions combining multiple ceramic fiber products, helping industries optimize furnace performance and improve energy efficiency.
Proper handling: Wear protective gear; avoid compressing flexible blankets excessively
Installation: Ensure tight joints, use modules for seamless lining
Maintenance: Inspect periodically for cracks, sagging, or damaged insulation
Replacement: Replace worn sections promptly to maintain efficiency and safety
Following these practices ensures long service life and reliable performance for high-temperature ceramic fiber insulation systems.
Q1: Are ceramic fiber products safe to use?
A: Yes, Highland ceramic fiber products are manufactured to meet safety standards. Proper installation and protective measures are recommended to minimize dust exposure during handling.
Q2: What is the maximum temperature ceramic fiber products can withstand?
A: Continuous use temperature ranges from 1260°C to 1600°C depending on the product type and grade.
Q3: How do ceramic fiber products compare with traditional refractory bricks?
A: Ceramic fiber is lighter, more flexible, and has lower thermal conductivity, enabling faster heating, lower energy consumption, and easier installation.
Q4: How to choose the right ceramic fiber product for a furnace?
A: Consider furnace temperature, design, surface geometry, mechanical load, and desired energy efficiency. Our team can provide customized recommendations.
Q5: Can ceramic fiber products be cut and shaped on-site?
A: Yes, blankets, boards, and papers can be cut with hand tools, while modules and ropes are pre-formed for easy installation.
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High alumina fine powder is a powder material with alumina (Al2O3) as the main component.
