





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.
| Property | Value |
| Max Temperature Resistance | Up to 1260°C (2300°F) |
| Composition | High-purity ceramic fibers (Al2O3, SiO2) with fiberglass or metal wire reinforcement (stainless steel or high-temperature alloys) |
| Density | 1.3 – 1.5 g/cm³ |
| Tensile Strength | ≥ 5 MPa |
| Breaking Strength | ≥ 6 MPa |
| Thermal Conductivity | 0.04 – 0.06 W/(m·K) |
| Linear Shrinkage | ≤ 1.5% at 1000°C for 5 hours |
| Moisture Content | ≤ 1% |
| Size Range | Diameters: 3mm to 50mm (can be customized) |
| Reinforcement Material | Fiberglass filaments, Stainless steel wire, or high-temperature alloy wires |
| Thermal Shock Resistance | ≥ 30 cycles (1100°C to room temperature) |
| Flexibility | Excellent, maintains form even in high-temperature environments |
| Acid Resistance | ≥ 95% (resistant to acidic environments) |
| Alkaline Resistance | Excellent resistance to alkaline solutions |
| Permeability | Extremely low permeability, preventing molten metal or slag penetration |
| Packaging | Rolls, coils, or custom-cut lengths, moisture-proof packaging |
| Standard Sizes | 10mm, 20mm, 30mm, 40mm, 50mm diameters (custom sizes available) |
| Certifications | ISO 9001, ASTM C113, and other relevant industry certifications |

High Temperature Resistance: Designed to withstand temperatures up to 1260°C (2300°F), making them suitable for extreme heat environments, including industrial furnaces and kilns.
Exceptional Durability: Reinforced with fiberglass filaments or stainless steel wires, these ropes offer excellent resistance to thermal shock, chemical corrosion, and mechanical wear.
Flexible & Versatile: Available in various forms, including twisted, braided, and flat tapes, offering flexibility and adaptability to a wide range of industrial needs.
Energy Efficient: The low thermal conductivity of ceramic fiber ropes ensures excellent insulation properties, minimizing heat loss and improving energy efficiency across systems.
Customizable Solutions: Ceramic fiber ropes are available in various diameters, lengths, and reinforcement options, making them customizable to specific applications and requirements.
Ceramic fiber ropes are used in a variety of industries and high-temperature applications. Some of their most common uses include:
High-Temperature Gaskets and Seals: Ceramic fiber ropes are widely used for sealing doors, lids, and inspection hatches in furnaces, kilns, and ovens, providing thermal protection and preventing heat loss.
Kiln and Furnace Insulation: They are ideal for insulating high-heat equipment, such as kilns, industrial furnaces, and heat exchangers, reducing energy consumption and maintaining temperature stability.
Pipe, Hose, and Cable Protection: Ceramic fiber ropes offer excellent insulation for pipes, hoses, and cables that are exposed to high temperatures, preventing heat damage and extending the life of critical components.
Expansion Joint Seals: They are used in high-temperature expansion joints in industrial applications, providing flexibility and heat resistance.
Welding Insulation: Removable ceramic fiber ropes are ideal for protecting workers from extreme heat during welding operations.
Filtration Media: These ropes are also used in high-temperature filtration applications, where they can withstand the harsh conditions of molten metal, gases, and chemicals.
Thermal Insulation in Glass Production: Ceramic fiber ropes play a vital role in insulating glass production furnaces, improving energy efficiency and ensuring consistent high-temperature operations.
Highland Refractory offers several types of ceramic fiber rope, each designed for specific industrial applications, including:
Twisted Ceramic Fiber Rope: Made from ceramic fiber yarn twisted into durable ropes, available in sizes ranging from 3mm to 50mm. Reinforced with fiberglass filaments or metal wires (stainless steel or high-temperature alloys), this type of rope is ideal for high-temperature sealing and insulation in furnaces and kilns
Square Braided Ceramic Fiber Rope: This dense and resilient rope is plaited from ceramic fiber yarn reinforced with fiberglass or metal wires. It is perfect for sealing flat surfaces and is commonly used in furnace and oven doors, as well as industrial seals
Round Braided Ceramic Fiber Rope: Similar to the square braided variant, but with a round cross-section. This rope is ideal for applications requiring cylindrical profiles for sealing and insulation.
Ceramic Fiber Tape: Highland Refractory’s ceramic fiber tape is a flat woven fabric that provides excellent insulation and protection for hoses, pipes, and cables in high-temperature environments. It is often used for gaskets and insulation wrapping.
Highland Refractory’s ceramic fiber ropes deliver superior advantages that help optimize operations across industries:
Unmatched Thermal Protection: These ropes provide outstanding heat resistance, protecting equipment and personnel from extreme temperatures, reducing the risk of thermal damage.
Energy Efficiency: With low thermal conductivity, they minimize heat loss and contribute to better energy savings, reducing operational costs in high-heat environments.
Prolonged Asset Lifespan: Their resistance to thermal shock, chemical corrosion, and abrasion ensures that critical industrial assets have a longer service life.
Reduced Downtime: The durability of ceramic fiber ropes minimizes maintenance requirements, helping to extend operational hours and reduce downtime.
Versatile Applications: Whether used for sealing, insulation, or protection, ceramic fiber ropes cater to a wide variety of industries and applications.
The production of Highland Refractory’s ceramic fiber ropes involves advanced techniques to ensure the highest quality and performance:
Fiber Production: High-purity ceramic fibers are spun into yarns with a precise diameter, ensuring consistent quality and uniformity.
Carding and Blanket Formation: The fibers are carded into a blanket, ensuring even distribution and adequate mechanical properties.
Weaving and Braiding: These blankets are woven or braided into ropes and tapes of varying configurations, reinforced with fiberglass or stainless steel wires for additional strength.
Heat Treatment: A controlled heat treatment process stabilizes the fibers, enhancing their resistance to high temperatures and thermal shock.
Rigorous Testing: Each product undergoes thorough testing to ensure compliance with temperature resistance, strength, and dimensional accuracy.
Ceramic fiber ropes are widely used in industries such as:
Steel and Metal Manufacturing: For insulation and sealing in high-temperature furnaces, kilns, and reactors.
Glass Production: Protects equipment and ensures consistent thermal insulation in glass furnaces.
Petrochemical Industry: Used for high-temperature sealing, insulation, and protection of critical components.
Construction and Engineering: In applications like welding insulation, fire barriers, and expansion joint seals.
Highland Refractory provides top-tier ceramic fiber ropes that meet the most stringent industry standards. With over 30 years of expertise, our products ensure reliable performance in even the harshest environments. Our ceramic fiber ropes are designed to withstand extreme temperatures, offer superior insulation, and help improve energy efficiency while extending the lifespan of industrial equipment.
Silicon carbide plates are mainly composed of silicon carbide (SiC) as the aggregate (with a content usually ≥ 80%).