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.
(1) Excellent thermal insulation performance (0.12 W/mK at 1000℃)
(2) Excellent thermal stability: good devitrification resistance up to 1430℃
(3) Low heat storage for rapid heating and energy savings
(4) Tough, elastic and flexible tape for easy wrapping & fitting
(5) Not easy to tear before and after heating (tensile strength ≥0.3MPa)
(6) Superior thermal shock resistance (withstands 1100℃→20℃ cycles)
(7) Good acoustic insulation properties to reduce industrial noise
(1) Power generation: Heat recovery boiler pipe wrapping and turbine joint sealing
(2) Industrial pipeline insulation: Wrapping for high-temperature pipes, fittings and Alien joints
(3) Furnace & boiler maintenance: Sealing for furnace doors, inspection holes and equipment seams
(4) Construction industry: Fireproof sealing for wall gaps, cable penetrations and duct joints
(5) Chemical industry: Sealing & insulation for reactor flanges, heat exchanger connections
(6) Metallurgy industry: Thermal insulation for ladle nozzles, casting equipment seams
(7) Aerospace: High-temperature zone sealing for test equipment and engine components
(8) Automotive industry: Exhaust system insulation and exhaust pipe wrapping
(9) Electronics industry: Insulation for high-temperature testing equipment and internal wiring
(10) Household appliances: Sealing & heat preservation for fireplaces, ovens and pellet stoves
| Property | Specification |
| Maximum Service Temperature | 1260°C (2300°F) |
| Density | 2.5 - 2.8 g/cm³ (varies with grade and reinforcement) |
| Porosity | ≤ 22% |
| Tensile Strength | ≥ 1.5 MPa (varies with reinforcement type) |
| Thermal Conductivity | ≤ 0.15 W/m·K at 1000°C |
| Thermal Shock Resistance | ≥ 30-45 cycles (from 1100°C to ambient temperature) |
| Shrinkage | < 2% at 1000°C |
| Reinforcement Materials | Glass fiber, Inconel® nickel alloy wire (optional) |
| Thickness | Customizable (typically 3mm to 10mm) |
| Width | Customizable (typically 25mm to 100mm) |
| Fire Resistance | Non-flammable, suitable for fireproof applications |
| Coatings | Optional coatings (PTFE, silicone, vermiculite, graphite) |
| Color | White (natural ceramic fiber color), with coated options |
| Size Tolerance | ± 1 mm |
| Moisture Absorption | < 10% (by weight) |
| Chemical Resistance | Resistant to most acids, alkalis, and chemical fumes |
| Packaging | Moisture-proof plastic, five-layer corrugated cardboard |
Ceramic fiber tape is a flexible insulation tape manufactured from alumina-silica ceramic fibers that are woven into a dense, durable textile form. Depending on performance requirements, the tape may be reinforced with fiberglass yarns or stainless steel wire to enhance tensile strength and dimensional stability at elevated temperatures.
Unlike rigid refractory materials, ceramic fiber tape is designed to conform to irregular surfaces, joints, and gaps. Its primary function is not structural support but thermal insulation and sealing. When installed correctly, ceramic fiber tape reduces heat loss, protects adjacent components from thermal damage, and improves the overall efficiency and safety of high-temperature equipment.
The flexibility of ceramic fiber tape makes it particularly valuable in applications where rigid insulation cannot accommodate thermal expansion, vibration, or movement.
The performance of ceramic fiber tape begins with its fiber composition. Most ceramic fiber tapes are produced using high-purity alumina and silica fibers, which provide excellent thermal stability and low thermal conductivity. These fibers are spun into yarns and woven into tape form, resulting in a material that combines insulation performance with mechanical flexibility.
Reinforcement materials play a critical role in determining how ceramic fiber tape performs under load and at high temperatures. Fiberglass reinforcement improves strength and durability in medium-temperature applications, while stainless steel wire reinforcement enables the tape to maintain integrity under higher temperatures and mechanical stress.
The weave structure also influences performance. A tight weave increases abrasion resistance and durability, while a looser weave improves flexibility and ease of installation. Selecting the appropriate weave depends on the specific application environment.
One of the most frequently asked questions about ceramic fiber tape concerns its temperature capability. While many products are rated for maximum temperatures up to 1260°C or even higher, it is important to distinguish between maximum exposure temperature and recommended continuous operating temperature.
Continuous operating temperatures are typically lower than peak ratings and reflect the conditions under which the tape can maintain performance over extended periods. Exceeding continuous limits may not cause immediate failure but can accelerate fiber degradation and reduce service life.
Thermal conductivity of ceramic fiber tape remains low even at elevated temperatures, making it effective for reducing heat transfer through joints and interfaces. This property is particularly valuable in high-temperature sealing applications where heat leakage can compromise energy efficiency or safety.
Rigid insulation materials, such as refractory bricks or insulation boards, perform well on flat, static surfaces. However, many industrial systems involve joints, seams, doors, flanges, and moving components that require flexible insulation solutions.
Ceramic fiber tape fills this gap by providing a compressible, conformable insulation layer that adapts to surface irregularities and movement. This makes it ideal for door seals, expansion joints, pipe wraps, and equipment interfaces where rigid materials would crack or fail.
Additionally, ceramic fiber tape can be installed quickly and replaced easily during maintenance, reducing downtime and labor costs.
Ceramic fiber tape is used across a wide range of industries where high temperatures and thermal sealing requirements coexist. Its versatility allows it to serve multiple functions depending on installation method and operating conditions.
In industrial furnaces and kilns, ceramic fiber tape is commonly used to seal furnace doors, inspection ports, and expansion joints. These areas are prone to heat leakage due to thermal expansion and mechanical movement. By providing a flexible thermal seal, ceramic fiber tape helps maintain internal temperature stability and reduces energy loss.
In boilers and power generation equipment, ceramic fiber tape is applied around flanges, manholes, and access doors to prevent heat escape and protect adjacent components. Improved sealing contributes to higher system efficiency and safer operating conditions.
In petrochemical and chemical processing plants, ceramic fiber tape is used to insulate high-temperature piping, valves, and reactor components. Its resistance to thermal shock and chemical exposure makes it suitable for demanding process environments.
Automotive and aerospace industries also utilize ceramic fiber tape in exhaust systems, engine test stands, and thermal shielding applications. In these contexts, weight reduction and flexibility are additional advantages.
Fire protection and passive fire sealing represent another important application area. Ceramic fiber tape is often used to seal gaps and joints in fire-rated assemblies, where maintaining integrity under extreme heat is critical.
Selecting the appropriate ceramic fiber tape requires careful consideration of operating conditions rather than relying solely on temperature ratings. Continuous operating temperature, mechanical stress, chemical exposure, and installation method all influence performance.
For applications involving moderate temperatures and limited mechanical stress, fiberglass-reinforced ceramic fiber tape may be sufficient. In higher-temperature or mechanically demanding environments, stainless steel wire reinforcement provides added durability and resistance to deformation.
Tape thickness and width should be selected based on sealing requirements and available installation space. Thicker tapes provide better insulation but may require greater compression force to achieve an effective seal.
Surface treatments and coatings, such as vermiculite or silicone, can improve abrasion resistance, handling, and dust control. These treatments are particularly useful in applications where tape surfaces are exposed to airflow or mechanical contact.
Proper installation is essential to achieving optimal performance from ceramic fiber tape. Surfaces should be clean and free of debris to ensure good contact and sealing. When used as a gasket or seal, the tape should be compressed evenly to avoid gaps that could allow heat leakage.
In wrapping applications, ceramic fiber tape should be applied with consistent tension and overlap to ensure uniform insulation coverage. Mechanical fasteners, adhesives, or wire ties may be used depending on operating conditions.
Avoid over-compressing the tape, as excessive compression can reduce insulation effectiveness and accelerate fiber wear.
Ceramic fiber tape is part of a broader family of ceramic fiber insulation materials, each designed for specific functions. Compared with ceramic fiber rope, tape offers a flatter profile and better coverage for wide joints and surfaces. Compared with ceramic fiber cloth, tape is easier to install in narrow or confined spaces.
Ceramic fiber blankets provide bulk insulation for large surfaces but lack the sealing capability required at joints and interfaces. Understanding these differences helps users select the most effective material combination for comprehensive thermal management.
Despite its advantages, ceramic fiber tape is not suitable for every application. It is not designed to bear structural loads or withstand severe mechanical abrasion without reinforcement or protective measures.
In environments with extreme chemical attack or molten metal exposure, specialized refractory materials may be required. Recognizing these limitations helps prevent premature failure and ensures appropriate material selection.
Modern ceramic fiber tapes are manufactured to meet strict safety and environmental standards. However, handling precautions should still be observed to minimize fiber exposure. Using protective equipment during installation and following manufacturer guidelines ensures safe use.
Environmental regulations may also influence material selection, particularly in regions with specific requirements for fiber products.
Ceramic fiber tape delivers the greatest value when used as part of an integrated thermal insulation and sealing system. Combining tape with ceramic fiber blankets, boards, and modules allows comprehensive control of heat loss across different areas of equipment.
This integrated approach improves energy efficiency, enhances equipment reliability, and reduces long-term operating costs.
Ceramic fiber tape plays a vital role in high-temperature industrial insulation by providing flexible, reliable sealing where rigid materials cannot perform. Its effectiveness depends on proper selection, installation, and application understanding rather than temperature rating alone.
By matching ceramic fiber tape characteristics to specific operating conditions, industrial users can achieve meaningful improvements in thermal efficiency, safety, and equipment longevity.
Silicon carbide plates are mainly composed of silicon carbide (SiC) as the aggregate (with a content usually ≥ 80%).
High alumina fine powder is a powder material with alumina (Al2O3) as the main component.
Refractory cement, also known as aluminate cement, is a fire-resistant hydraulic cementitious material.
High alumina fine powder is a powder material with alumina (Al2O3) as the main component.
Clay powder is a powdery material with clay minerals as the main component.
