Ceramic fiber paper is a lightweight, flexible, and highly heat-resistant insulation material manufactured from high-purity alumina–silica ceramic fibers. It is engineered through a wet-forming process, creating a uniform sheet that combines low thermal conductivity with excellent mechanical strength, making it suitable for continuous exposure to high temperatures. Unlike traditional insulation products, ceramic fiber paper possesses a soft, paper-like texture that allows it to be easily cut, shaped, or formed to fit even the most complex sealing surfaces. This unique combination of high-temperature tolerance and exceptional flexibility makes ceramic fiber paper ideal for industrial furnaces, kilns, boilers, stoves, and high-temperature gasket fabrication.
One of the primary advantages of ceramic fiber paper is its non-combustibility and its ability to maintain structural stability in environments exceeding 1000°C. Because the material contains no asbestos or organic binders, it does not emit smoke, toxic gases, or odor when exposed to extreme heat. These characteristics make it both safe and environmentally compliant, meeting the requirements of modern industry standards for non-asbestos high-temperature insulation. Ceramic fiber paper is widely used in vacuum-formed gaskets, furnace lining gaps, expansion joint packing, thermal barriers, and wrapping for hot pipes and exhaust ducts.
Ceramic fiber paper is available in multiple temperature ratings, the most common being 1260°C, 1400°C, and 1600°C, allowing engineers and maintenance personnel to select the grade that best fits their operational needs. Its low density and low heat storage also contribute to improved thermal efficiency in high-temperature systems, reducing fuel consumption and protecting surrounding equipment from heat damage. Additionally, its excellent dielectric strength makes it suitable for electrical insulation in high-temperature environments such as induction furnaces or heating equipment.
Compared with conventional papers or fiber sheets, ceramic fiber paper offers superior tear resistance, higher compressibility, and stability under thermal cycling. As a non-asbestos insulation paper, it has become the preferred alternative in industries seeking safer and more advanced heat-resistant materials. Whether used in sealing applications, fire protection systems, or industrial thermal insulation, ceramic fiber paper provides a dependable and long-lasting solution that enhances equipment performance and ensures safety.
Ceramic fiber paper is specifically designed to operate in extreme high-temperature environments, making it one of the most widely used thermal insulation materials in industrial processing, metal refining, and high-heat manufacturing. With temperature ratings ranging from 1260°C to 1600°C depending on the grade, ceramic fiber paper maintains exceptional strength, dimensional stability, and resistance to shrinkage even when exposed to direct flame or continuous heat. This makes it ideal for furnace sealing, kiln insulation, boiler gasketing, and many other high-temperature sealing applications.
The ability of ceramic fiber paper to perform reliably at high temperatures is attributed to its high-purity alumina–silica fiber composition, which contains minimal shot content and no organic binders. The absence of organic materials means that ceramic fiber paper will not char, carbonize, or produce smoke during initial heating. As temperature rises, the fibers remain stable and resist chemical corrosion, oxidation, and thermal shock, ensuring long service life even under frequent temperature cycling. This stability is especially valuable in thermal processing furnaces, where insulation materials are constantly subjected to sudden changes between heating and cooling.
One of the most important performance characteristics of ceramic fiber paper in high-temperature environments is its low thermal conductivity. The uniform fiber structure effectively reduces heat transfer, making it an excellent barrier for protecting metal structures, furnace casings, and sensitive components. In combustion chambers, exhaust systems, reformer units, and ceramic kilns, ceramic fiber paper is commonly used to cover hot surfaces or to line interior areas where heat loss must be minimized. Reduced heat loss improves energy efficiency, lowers fuel consumption, and stabilizes temperature distribution within the equipment.
Ceramic fiber paper can also serve as a high-temperature gasket material for sealing furnace doors, flanges, burner assemblies, expansion joints, and duct connections. Its compressibility allows it to form tight seals against gases and hot air, reducing leakage and preventing heat escape. As a non-asbestos thermal insulation paper, it is safe to handle and compatible with modern safety regulations. Its combination of flexibility, heat resistance, and sealing performance makes ceramic fiber paper one of the most reliable materials available for high-temperature insulation and gasketing in industrial and commercial settings.
1260°C ceramic fiber paper is the most commonly used grade of ceramic fiber paper due to its excellent balance of performance, affordability, and wide applicability. This standard-grade insulation paper is manufactured from high-purity alumina–silica fibers, designed to withstand continuous exposure to temperatures up to 1260°C (2300°F). It is commonly used in a wide range of industrial equipment, including boilers, furnaces, kilns, fireplaces, and high-temperature exhaust systems, where it serves as an insulation barrier, sealing gasket, or thermal wrap.
The structure of 1260°C ceramic fiber paper features uniform fiber distribution, low shot content, and minimal binders, giving it enhanced flexibility and resistance to thermal shock. The material does not burn or melt, and it maintains dimensional stability even after long-term heating. Because it is non-asbestos, chemically stable, and resistant to most acids and alkalis (excluding strong alkali metals or phosphoric acid), it is suitable for harsh environments such as petrochemical plants, metallurgical furnaces, and industrial heat treatment equipment.
1260°C ceramic fiber paper is especially valued for its low thermal conductivity, which improves energy efficiency by reducing heat loss. When used between refractory bricks, around furnace doors, or in expansion gaps, it helps maintain uniform temperatures while preventing hot air leakage. The paper also offers excellent sealing performance, making it useful in gasket fabrication for burner mounts, furnace covers, and high-temperature pipelines.
Industrial customers choose 1260°C ceramic fiber paper because it provides a reliable insulation solution without requiring advanced installation techniques. It can be easily cut with scissors or utility knives, shaped by hand, and installed into tight spaces where rigid insulation cannot fit. Whether used in maintenance, repair operations, or OEM manufacturing, 1260°C ceramic fiber paper remains one of the most practical and cost-effective high-temperature insulation materials in the industry.
For applications requiring superior high-temperature resistance, 1400°C and 1600°C ceramic fiber paper provide enhanced thermal performance and durability. These advanced grades are manufactured from high-purity alumina fiber or zirconia-enhanced ceramic fiber, enabling them to withstand significantly higher operating temperatures compared to standard 1260°C paper. Their exceptional temperature stability makes them ideal for extreme thermal environments found in metal smelting, high-temperature kilns, glass furnaces, and petrochemical thermal reactors.
1400°C ceramic fiber paper is commonly used in intermediate high-temperature applications, such as furnace gasketing, burner seals, kiln car insulation, and high-temperature shielding. It provides excellent resistance to thermal shock, minimal shrinkage during prolonged heating, and strong chemical resistance against most molten metals and corrosive gases. This grade is often used in industries requiring frequent heating cycles, where insulation materials must maintain integrity under rapid temperature changes.
1600°C ceramic fiber paper represents the highest performance level in ceramic fiber paper products. It is engineered for use in extreme heat zones, such as smelting furnaces, high-temperature refractory linings, and advanced thermal processing systems. The inclusion of zirconia fibers greatly improves structural stability, making 1600°C ceramic fiber paper the preferred choice for environments where lower-grade insulation would deteriorate or fail. Its ability to withstand prolonged exposure to intense heat reduces downtime and enhances equipment reliability.
Both 1400°C and 1600°C ceramic fiber papers offer superior tensile strength, chemical stability, and resistance to slag attack, making them ideal for demanding applications across metallurgy, power generation, and ceramics manufacturing. Their ability to maintain low thermal conductivity even at elevated temperatures ensures efficient heat retention and energy savings. These high-temperature grades provide industries with long-lasting, non-asbestos insulation solutions capable of meeting the most demanding thermal challenges.
Selecting the best ceramic fiber paper for furnace sealing depends on several key performance requirements, including temperature rating, sealing efficiency, chemical resistance, and mechanical durability. For general industrial furnaces operating below 1260°C, standard-grade ceramic fiber paper offers excellent sealing performance due to its compressibility, flexibility, and ability to maintain structural integrity during repeated heating cycles. It forms an effective thermal barrier around furnace doors, access panels, burner mounts, and refractory joints.
For high-temperature furnaces, particularly those operating continuously above 1300°C, upgraded grades such as 1400°C or 1600°C ceramic fiber paper are recommended. These grades are more resistant to shrinkage and maintain a tighter seal, even in the presence of direct flame or high-velocity hot gas flows. Their improved chemical resistance prevents degradation when exposed to furnace atmospheres containing carbon monoxide, sulfur compounds, alkali metals, or other corrosive elements.
The best ceramic fiber paper for furnace sealing should also exhibit a low thermal conductivity profile to minimize heat escape and improve furnace efficiency. Because ceramic fiber paper can be cut precisely and pressed into complex sealing grooves, it ensures airtight closure and prevents heat leakage that could impact temperature control. This helps protect furnace shells, outer metal casings, and adjacent equipment from heat damage.
Reinforced ceramic fiber papers—containing fiberglass or inorganic fillers—are sometimes used for heavy-duty sealing applications where mechanical stress is high. For furnaces that experience frequent door movement or vibration, reinforced paper provides greater resilience and tear resistance.
Whether sealing a steel furnace, ceramic kiln, heat treatment chamber, or glass melting furnace, ceramic fiber paper remains one of the most effective gasket materials available. For optimal performance, users should match the furnace’s operating conditions with the appropriate grade and thickness of ceramic fiber paper to ensure stable, long-term sealing.
Ceramic fiber paper is widely used in kilns and furnaces for insulation, sealing, and protection against extreme heat. Its lightweight and flexible structure makes it suitable for areas where conventional refractory bricks or boards cannot fit. In kilns, ceramic fiber paper is often placed between refractory components to reduce heat loss and prevent thermal bridging. Its ability to conform to irregular surfaces allows it to create a uniform insulating layer throughout the kiln interior.
In high-temperature furnaces, ceramic fiber paper is commonly used as door sealing gasket material, expansion joint packing, burner assembly protection, and high-temperature shielding. Because it withstands direct flame exposure and rapid temperature changes, it maintains sealing performance during continuous furnace operation. Its high compressibility helps eliminate gas leaks that could disrupt combustion efficiency or affect product quality in ceramics, metallurgy, or heat treatment industries.
Ceramic fiber paper also protects furnace refractories from thermal shock by acting as a flexible buffer layer. When installed between refractory bricks or castables, it absorbs expansion stress and prevents cracking. This extends the overall lifespan of the furnace lining and reduces maintenance frequency. Kilns used for firing ceramics, porcelain, or advanced materials benefit significantly from the improved temperature uniformity that ceramic fiber paper provides.
The material is chemically inert and resistant to most corrosive gases, making it ideal for industrial environments with complex furnace atmospheres. Whether used in electric furnaces, gas-fired kilns, rotary kilns, shuttle kilns, or smelting furnaces, ceramic fiber paper delivers stable high-temperature performance and superior sealing ability, making it a crucial component in modern thermal processing equipment.
The versatility of ceramic fiber paper makes it suitable for numerous industrial and commercial applications where heat resistance, thermal insulation, and sealing are essential. One of the most common uses is in gasket and sealing applications for furnaces, kilns, boilers, heat treatment equipment, and high-temperature duct systems. Because ceramic fiber paper is easy to cut and shape, it is frequently used to fabricate custom high-temperature gaskets for burner assemblies, furnace doors, and access panels.
In metal processing facilities, ceramic fiber paper acts as a thermal barrier during casting, forging, and heat treatment operations. It is often used as a separation layer between molten metal and tooling to prevent sticking and protect sensitive components from heat damage. Its excellent resistance to slag and molten metal splash makes it valuable in steelmaking, aluminum casting, and foundry operations.
Ceramic fiber paper is also used in automotive and aerospace industries for exhaust insulation, catalytic converter protection, battery thermal management, and fireproof shielding. Its low density and non-asbestos formulation make it suitable for lightweight thermal insulation solutions.
In power plants, petrochemical facilities, and refineries, ceramic fiber paper serves as an insulating and sealing material for high-temperature pipelines, reaction chambers, and flue gas systems. Because it resists chemical corrosion and oxidation, it performs reliably even in highly demanding environments.
Commercial applications include wood stoves, pellet stoves, and fireplaces, where ceramic fiber paper is used as a sealing gasket or heat barrier to prevent smoke leakage and improve combustion efficiency. Its non-combustible nature makes it a safe choice for homes and commercial heating systems.
Selecting the correct thickness of ceramic fiber paper is essential for achieving optimal sealing, insulation, and durability. Ceramic fiber paper is available in a wide range of thicknesses, generally from 0.5 mm to 10 mm, allowing users to match the material precisely to the needs of their equipment.
For light-duty sealing or electrical insulation, thinner grades between 0.5 mm and 2 mm are commonly used. These thin sheets conform easily to small gaps and provide excellent dielectric strength without adding unnecessary bulk. They are often installed in heating equipment, electronics, induction furnaces, and lightweight thermal barriers.
For general furnace and kiln sealing applications, medium-thickness papers between 3 mm and 5 mm are preferred. These grades provide a good balance of compressibility, mechanical strength, and insulation performance. They are ideal for furnace doors, kiln car insulation, high-temperature flanges, expansion joints, and burner gaskets.
Heavy-duty applications often require thicker ceramic fiber paper from 6 mm to 10 mm, especially in high-temperature industrial environments where strong thermal barriers are needed. These thicker papers provide superior insulation, handling strength, and durability against vibration or repeated compression. They are frequently used in steel furnaces, smelting units, and high-temperature exhaust systems.
The right thickness depends on temperature, mechanical load, sealing gap width, and the expected frequency of thermal cycling. Choosing the proper thickness ensures longer service life and improved thermal efficiency.
Ceramic fiber paper and mica paper are both used as high-temperature insulation materials, but they differ significantly in composition, temperature rating, mechanical properties, and suitability for specific industrial applications. Ceramic fiber paper is made from alumina–silica ceramic fibers and is known for its flexibility, compressibility, and extremely high temperature resistance. It withstands temperatures up to 1260°C–1600°C, making it suitable for demanding furnace, kiln, and smelting applications.
Mica paper, on the other hand, is manufactured from mica flakes bonded with heat-resistant resins. While mica paper provides excellent dielectric strength and good thermal stability, its temperature limit is generally lower, typically around 500°C–1000°C depending on grade. This makes mica paper ideal for electrical insulation in motors, transformers, heaters, and electrical appliances rather than direct flame or extreme heat exposure.
In terms of sealing performance, ceramic fiber paper offers superior compressibility and conformity to irregular surfaces. This makes it the better choice for furnace door gaskets, expansion joints, and high-temperature flanges. Mica paper, while more rigid and less compressible, excels in applications requiring electrical insulation and moderate heat resistance.
Chemically, ceramic fiber paper offers stronger resistance to corrosive gases and thermal shock, while mica paper offers stronger mechanical rigidity and dielectric strength. For industries requiring extreme heat tolerance, ceramic fiber paper is the preferred option. For electrical insulation and electronics-related thermal barriers, mica paper remains a top choice.
As a high-temperature gasket material, ceramic fiber paper is one of the most versatile and effective solutions available. Its compressibility allows it to create airtight seals in furnace doors, boilers, kilns, exhaust systems, heat exchangers, and high-temperature piping. Because it maintains structural integrity under continuous heat, it prevents hot gas leakage, reduces energy loss, and protects adjacent equipment.
Ceramic fiber paper is easily cut into custom gasket shapes and thicknesses, making it suitable for OEM manufacturers as well as maintenance and repair operations. Unlike rubber or organic gasket materials, it will not burn or deform under high temperatures, ensuring consistent sealing performance throughout the life of the furnace or boiler.
Its low thermal conductivity, chemical resistance, and non-asbestos composition also make it a safe and reliable choice for industries requiring high-temperature sealing in harsh environments. As a high-temperature gasket material, ceramic fiber paper offers superior long-term durability, making it the preferred option for industrial sealing applications.
The price of ceramic fiber paper varies depending on thickness, temperature rating, density, and reinforcement options. Standard 1260°C ceramic fiber paper is generally the most affordable, making it a cost-effective solution for general insulation and gasket applications. High-temperature grades such as 1400°C or 1600°C tend to cost more due to their advanced fiber composition and enhanced thermal stability.
Other factors influencing ceramic fiber paper price include roll width, length, customization requirements, and shipping costs. Bulk purchasing, OEM orders, and wholesale quantities typically come with significant discounts. Customers in industries with high consumption, such as furnace maintenance companies or manufacturing plants, often purchase ceramic fiber paper in pallet quantities for the best pricing.
Ultimately, ceramic fiber paper provides excellent value due to its long service life, superior heat resistance, and ability to reduce maintenance costs. It remains one of the most economical high-temperature insulation materials available.
Choosing the right ceramic fiber paper supplier is crucial to ensuring consistent product quality, reliable performance, and timely delivery. A reputable supplier should offer a complete range of ceramic fiber paper grades, including 1260°C, 1400°C, and 1600°C versions, along with various thickness options and custom sizing. High-quality suppliers produce ceramic fiber paper using advanced wet-forming technology and strict quality control standards to ensure uniform density, low shot content, and stable thermal performance.
Experienced suppliers also provide technical support to help customers select the right grade and thickness for their specific application. They should offer international shipping, secure packaging, and competitive pricing for wholesale buyers and OEM clients. Companies with strong export experience—especially to Europe, the U.S., the Middle East, and Southeast Asia—are more likely to deliver consistent quality that meets global standards.
A reliable ceramic fiber paper supplier ensures stable supply, fast delivery, and professional after-sales support, helping industrial customers maintain smooth furnace operation and reduce maintenance downtime.
Ceramic fiber paper is widely recognized as one of the best non-asbestos insulation paper alternatives on the market today. It is manufactured without asbestos or carcinogenic fibers, making it safe to handle and compliant with international health and environmental regulations. The substitution of asbestos with alumina–silica ceramic fibers has significantly improved the safety of high-temperature insulation materials used in industrial and household heating equipment.
As a non-asbestos insulation material, ceramic fiber paper provides superior thermal performance, flexibility, and chemical stability compared to older asbestos-based products. It does not produce harmful dust or fibers when handled correctly, and it maintains thermal integrity even in extreme conditions. For industries seeking safe, high-performance, and environmentally friendly insulation materials, ceramic fiber paper is an ideal replacement.
Its applications in furnaces, kilns, stoves, boilers, and automotive heat shields demonstrate its versatility as a modern non-asbestos insulation solution. With growing safety regulations and increased awareness of asbestos hazards, ceramic fiber paper has become the preferred insulation choice for manufacturers and end-users worldwide.
Ceramic fiber board is a new type of refractory insulation material.
Highland Refractory® Ceramic Fiber Paper (also known as Alumina Silicate Fiber Paper) is a premium high-temperature insulation material engineered for extreme heat environments, combining exceptional thermal stability, low thermal conductivity, and versatile customization. Crafted through 9-stage shot blasting purification and advanced wet-forming technology, this product is designed to meet the rigorous demands of industrial insulation, sealing, and filtration—with temperature ratings spanning 1260℃ (2300℉), 1400℃ (2550℉), and 1430℃ (2600℉). Ideal for industries ranging from metallurgy and chemicals to electronics and pharmaceuticals, our ceramic fiber paper solves core pain points like heat loss, equipment corrosion, and poor sealing—all while adhering to global quality standards (ISO 9000, ASTM C795). With a thickness range of 0.5mm to 12mm and fully customizable shapes/sizes, it adapts to diverse applications, from furnace gaskets to high-purity air filters. This page details its technical advantages, production excellence, performance data, and application scenarios to help you leverage its full potential.
Highland Refractory introduces a highly efficient solution for extreme temperature insulation: the Ultra-thin Ceramic Fiber Blanket with Aluminum Foil. This advanced insulation material is designed to withstand temperatures up to 1260°C (2300°F) while offering excellent thermal stability, mechanical strength, and insulation performance. Ideal for a wide range of industrial applications, this Aluminum Foil Ceramic Fiber Blanket provides robust protection against heat, while the aluminum foil surface enhances thermal reflection and resistance. The Foil Faced Ceramic Fiber Blanket is composed of high-quality ceramic fibers bonded to a layer of lightweight aluminum foil, making it an ideal solution for applications where both high-temperature insulation and durable external protection are required. With superior chemical and thermal stability, this material ensures a long-lasting solution for industries where both safety and efficiency are essential.
Highland Refractory® Ultra-thin Ceramic Fiber Blanket is a revolutionary white, uniform fireproof and insulating material that integrates fire resistance, heat insulation, and thermal preservation in one, with zero binders added. Crafted via advanced spinning technology, this High Temperature Ultra-thin Ceramic Fiber Blanket is engineered for extreme heat environments while maintaining an ultra-thin profile (0.5mm-6mm), making it a versatile solution for industrial insulation, thermal protection, and soundproofing applications. As a leading Heat Resistant Ultra-thin Ceramic Fiber Blanket supplier, we prioritize raw material purity, precision manufacturing, and consistent quality—all aligned with ISO 9000 standards and ASTM C795 refractory guidelines. This Fireproof Ultra-thin Ceramic Fiber Blanket stands out for its low density, minimal heat storage, and exceptional thermal stability, solving core pain points like excessive energy consumption, heavy equipment load, and noise pollution in industrial and commercial settings. Below is a comprehensive guide to its technical advantages, applications, and procurement details, designed to meet the needs of global buyers and project engineers.
Ceramic fiber ropes are engineered to provide unparalleled thermal protection and insulation for industrial applications, operating efficiently in high-temperature environments. Highland Refractory’s ceramic fiber ropes are made from high-quality ceramic fiber yarn, reinforced with fiberglass filaments or high-temperature metal wires like stainless steel, ensuring superior durability and performance at temperatures up to 1260°C (2300°F). These versatile, high-performance ropes are ideal for a range of industries, including steel, glass, cement, and petrochemical, where reliable thermal insulation and resistance to heat, flames, and chemical corrosion are essential. Ceramic fiber ropes are commonly used for furnace linings, gaskets, seals, insulation wrapping, and various other applications requiring high-temperature resilience and insulation performance.
Highland Refractory’s Ceramic Fiber Tape is an advanced insulation material designed to withstand extreme temperatures and harsh industrial environments. Manufactured using high-quality ceramic fiber yarns, reinforced with glass fiber and Inconel® nickel alloy wire, this tape offers exceptional heat resistance, thermal stability, and mechanical strength. It is the ideal choice for a variety of high-temperature applications, providing effective thermal insulation, fireproofing, and resistance to thermal shock. Capable of withstanding temperatures of up to 1260°C (2300°F), Highland Refractory’s Ceramic Fiber Tape is used in industries such as metallurgy, ceramics, automotive, aerospace, and more, offering robust insulation solutions that meet demanding operational requirements.
Highland Refractory® Ceramic Fiber Module is a premium high-temperature insulation solution engineered for industrial furnace linings, combining exceptional thermal stability, seamless installation, and long-lasting performance. Crafted from high-quality Highland Refractory ceramic fiber blanket via precision processing and pre-compression technology, this module is designed to thrive in extreme heat environments—with temperature ratings spanning 1260℃ (2300℉), 1400℃ (2550℉), and 1430℃ (2600℉). Ideal for industries including petrochemicals, metallurgy, ceramics, and heat treatment, our ceramic fiber module addresses core pain points such as excessive heat loss, heavy furnace structural load, and cumbersome maintenance. Its pre-compressed design ensures modules expand to form a gap-free lining, while ultra-low thermal conductivity and heat capacity deliver significant energy savings. Backed by ISO 9000 certification and third-party inspections (SGS, BV), this product adheres to global quality standards, making it a reliable choice for industrial furnace insulation. This page details its technical advantages, production excellence, installation methods, and application scenarios to help you optimize furnace efficiency and durability.
