T: +86-19511798062
E: sales@honestflex.com
E: sales@honestflex.com
Licang District, Qingdao, Shandong, China
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The Honestflex Silicone Fire Sleeve is manufactured using high-quality braided fiberglass construction coated with a cured silicone elastomer and is specifically designed for thermal protection of hoses, cables, and lines in high-temperature environments. The sleeve provides exceptional heat reflection and flame resistance, ensuring critical components remain protected from extreme radiant heat and molten metal splash.
It is available in a wide range of inner diameters and wall thicknesses to accommodate various hose sizes and cable bundles. The sleeving structure is optimized to remain flexible for easy installation while maintaining thermal insulation properties under extreme heat exposure. The silicone-coated exterior provides excellent resistance to abrasion, weather, and most industrial fluids, delivering reliable performance in foundries, steel mills, welding operations, and engine compartments.
All key parameters, including inner diameter, wall thickness, length, and color options (such as standard red or custom colors), can be customized according to specific application conditions and thermal protection requirements.
Material Composition: The Silicone Fire Sleeve is constructed from high-purity, thickened non-alkali fiberglass, braided into a robust sleeving. This base material is then coated with a thick layer of rust-red silicone rubber, providing an additional barrier against heat and flame.
Thermal Performance: The sleeve is engineered to withstand extreme temperatures, with an outer temperature range of 260°C to 300°C and an inner temperature capability of up to 500°C to 600°C. This dual-layer protection ensures that the sleeve remains effective even in the most intense heat conditions.
Steel and Non-Ferrous Metal Smelting: Ideal for use in steel mills and non-ferrous metal smelting operations, where hoses and cables are exposed to molten metals and slag.
Power Plants: Provides essential protection for electrical cables and hydraulic hoses in power generation facilities, safeguarding against heat damage and electrical hazards.
Shipbuilding and Shipyards: Ensures the safety and integrity of critical piping and cabling in shipbuilding environments, where exposure to high temperatures and molten materials is common.
Fire Resistance: The Silicone Fire Sleeve is designed to be fire-resistant and flame-retardant, providing a high degree of thermal insulation. This feature protects hoses and lines from direct flame exposure and reduces the risk of fire damage.
Heat Insulation: The sleeve offers superior insulation properties, preventing heat loss from hot lines and pipes while also protecting cold or cryogenic lines from external heat sources. This dual functionality ensures energy savings and enhances operational efficiency.
Protection from Molten Materials: The sleeve shields hoses and lines from molten metals, slag, welding splatter, electrical sparks, and grinding debris. This protection prevents contamination and damage, ensuring the longevity and reliability of critical components.
Durability and Anti-Aging: The Silicone Fire Sleeve is resistant to aging, maintaining its protective properties over extended periods. This durability ensures long-term reliability in harsh industrial environments.
Outer Temperature: 260°C to 300°C (500°F to 572°F)
Inner Temperature: 500°C to 600°C (932°F to 1112°F)
Base Material: High-purity, thickened non-alkali fiberglass
Coating: Rust-red silicone rubber
Flame Retardant: Self-extinguishing properties
Insulation: High thermal insulation value
Protection: Guards against molten metals, slag, welding splatter, and electrical sparks
Enhanced Safety: Provides critical protection in high-temperature environments, reducing the risk of fire and heat-related damage.
Energy Efficiency: Insulates hot and cold lines, preventing heat loss and improving energy savings.
Versatility: Suitable for a wide range of industrial applications, including steel smelting, power generation, and shipbuilding.
Durability: Resistant to aging and environmental wear, ensuring long-term reliability.
High-Temperature Fiberglass Construction: The sleeve is manufactured from braided high-purity fiberglass yarn coated with a cured silicone elastomer, creating a flexible yet durable thermal barrier. This construction provides exceptional protection against radiant heat, molten metal splash, and direct flame exposure while maintaining structural integrity under extreme thermal stress.
Designed for Thermal Protection Applications: This fire sleeve is specifically engineered to protect hydraulic hoses, electrical cables, and fluid lines in high-temperature environments. It is suitable for use in foundries, steel mills, welding operations, engine compartments, and industrial furnace applications where heat damage poses a significant risk to critical components.
Flame and Heat Resistance Performance: The silicone coating provides outstanding flame retardancy and heat reflection, withstanding continuous operating temperatures up to 300°C（Outer） /600℃（Inner） and intermittent exposure up to 1090°C (2000°F). Its thermal barrier properties ensure that internal hoses and cables remain protected and functional even during direct flame contact or molten metal splash incidents.
Suitable for Industrial Harsh Conditions: Built for demanding environments, the fire sleeve performs reliably in applications involving welding sparks, hot slag, extreme radiant heat, and abrasive conditions. It maintains flexibility for easy installation while resisting oil, weather, and mechanical wear, ensuring long-lasting protection in heavy industrial settings.
I.D.(mm) | I.D.(inch) | Wall thickness (mm) | Tolerance (mm) | Roll length (m) | Ctn size (cm) | No./ctn (m) | GW (kg) |
φ8 | 5/16=PJ05 | 1.5 | ±0.15 | 50 | 47*47*10 | 100 | 8.5 |
φ10 | 3/8=PJ06 | 2 | ±0.20 | 25 | 47*47*10 | 100 | 11.5 |
φ11 | 7/16=PJ07 | 2 | ±0.20 | 25 | 47*47*10 | 100 | 12 |
Φ13 | 1/2=PJ08 | 2 | ±0.20 | 25 | 47*47*10 | 100 | 12.5 |
φ15 | 5/8=PJ10 | 2 | ±0.20 | 25 | 47*47*10 | 100 | 19 |
Φ19 | 3/4=PJ12 | 2 | ±0.20 | 25 | 47*47*10 | 100 | 28 |
Φ22 | 7/8=PJ14 | 2 | ±0.20 | 25 | 47*47*10 | 100 | 30 |
Φ25 | 1=PJ16 | 2 | ±0.30 | 25 | 47*47*10 | 100 | 32.5 |
φ29 | 11/8=PJ18 | 2 | ±0.30 | 25 | 47*47*10 | 50 | 20.5 |
Φ32 | 11/4=PJ20 | 2 | ±0.30 | 25 | 47*47*10 | 50 | 22 |
φ35 | 13/8=PJ22 | 3 | ±0.30 | 25 | 47*47*15 | 50 | 26.5 |
Φ38 | 11/2=PJ24 | 3 | ±0.30 | 25 | 47*47*15 | 50 | 28 |
φ40 | 13/5=PJ24 | 3 | ±0.30 | 25 | 47*47*15 | 50 | 30.5 |
φ41 | 15/8=PJ26 | 3 | ±0.30 | 25 | 47*47*15 | 50 | 31 |
Φ45 | 13/4=PJ28 | 3 | ±0.30 | 25 | 47*47*15 | 50 | 34.5 |
Φ48 | 17/8 | 3 | ±0.30 | 25 | 47*47*15 | 50 | 37 |
Φ51 | 2=PJ32 | 3 | ±0.35 | 25 | 52*52*20 | 50 | 39 |
φ55 | 21/5 | 3.5 | ±0.35 | 25 | 52*52*20 | 50 | 41.5 |
Φ57 | 21/4=PJ36 | 3.5 | ±0.35 | 25 | 52*52*20 | 50 | 42 |
Φ60 | 23/8 | 3.5 | ±0.35 | 20 | 52*52*20 | 20 | 20 |
φ64 | 21/2=PJ40 | 3.5 | ±0.35 | 20 | 52*52*20 | 20 | 21.5 |
φ65 | 23/5 | 3.5 | ±0.35 | 20 | 52*52*20 | 20 | 23 |
Φ70 | 23/4=PJ44 | 3.5 | ±0.40 | 20 | 52*52*20 | 20 | 26 |
φ76 | 3=PJ48 | 4 | ±0.40 | 20 | 52*52*20 | 20 | 28 |
Φ80 | 31/5 | 4 | ±0.40 | 20 | 52*52*20 | 20 | 29.5 |
φ83 | 31/4=PJ52 | 4 | ±0.40 | 20 | 52*52*20 | 20 | 30 |
φ85 | 33/8 | 4 | ±0.40 | 20 | 52*52*20 | 20 | 31 |
Φ89 | 31/2=PJ56 | 4 | ±0.50 | 20 | 52*52*20 | 20 | 32.2 |
φ90 | 39/16 | 4 | ±0.50 | 20 | 52*52*20 | 20 | 34 |
φ95 | 33/4=PJ60 | 4 | ±0.50 | 20 | 52*52*20 | 20 | 36 |
φ102 | 4=PJ64 | 5 | ±0.50 | 10 | 52*52*20 | 10 | 18.5 |
Q1: What is the primary function of this Silicone Fire Sleeve?
This silicone fire sleeve is designed as a removable thermal protection covering for hoses, cables, and lines. Its primary function is to shield critical components from extreme heat, radiant heat, molten metal splash, and direct flame exposure in high-temperature industrial environments.
Q2: What temperature range can this fire sleeve withstand?
The silicone fire sleeve provides excellent thermal protection across a wide range. It withstands continuous operating temperatures up to 300°C（Outer） /600℃（Inner）.
Q3: Can this sleeve be used to protect both rubber hoses and electrical cables?
Yes, the silicone fire sleeve is versatile and suitable for protecting various components, including hydraulic hoses, fuel lines, wiring harnesses, and electrical cables in applications where heat damage is a concern, such as engine compartments, welding areas, and furnace operations.
Q4: What are the available inner diameters and lengths?
The fire sleeve is available in a wide range of inner diameters, typically from 6 mm to 100 mm, to accommodate different hose and cable bundle sizes. Standard lengths include 1 meter, 5 meters, 10 meters, and 30 meters. Custom diameters and continuous lengths can be produced upon request.
Q5: How is the silicone fire sleeve installed onto existing lines?
The sleeve features a flexible braided construction that allows for easy installation. For applications where lines are already connected, split-style fire sleeve with a slit lengthwise can be supplied, allowing it to be wrapped around existing lines and secured with hook-and-loop straps or high-temperature ties.
Q6: What standards does this fire sleeve meet?
This silicone fire sleeve is manufactured to meet international standards for flame resistance and thermal protection, ensuring reliable performance in demanding industrial applications. Please contact us for specific compliance certifications.
Q7: Is this sleeve resistant to oil, fuel, and other fluids?
Yes, the silicone-coated exterior offers good resistance to common industrial fluids, including oil, fuel, hydraulic fluids, and coolants, ensuring the sleeve maintains its protective properties even in environments where fluid exposure is common.
Q8: Can this fire sleeve be used outdoors?
Yes, the silicone material provides excellent resistance to weathering, UV radiation, and ozone, making it suitable for both indoor and outdoor applications. It remains flexible and durable even after prolonged exposure to outdoor conditions.
Q9: How does this sleeve compare to heat shrink tubing or fiberglass tape?
Unlike heat shrink tubing, this fire sleeve is removable and reusable, making it ideal for protecting existing assemblies. Compared to fiberglass tape, it provides complete 360-degree coverage with a single piece, offering superior protection and faster installation.
Q10: What construction materials are used in this fire sleeve?
The sleeve features a braided high-purity fiberglass inner carrier coated with a cured silicone elastomer. This combination provides excellent thermal insulation, flame resistance, and flexibility while maintaining durability against abrasion and mechanical wear.
The Honestflex Silicone Fire Sleeve is manufactured using high-quality braided fiberglass construction coated with a cured silicone elastomer and is specifically designed for thermal protection of hoses, cables, and lines in high-temperature environments. The sleeve provides exceptional heat reflection and flame resistance, ensuring critical components remain protected from extreme radiant heat and molten metal splash.
It is available in a wide range of inner diameters and wall thicknesses to accommodate various hose sizes and cable bundles. The sleeving structure is optimized to remain flexible for easy installation while maintaining thermal insulation properties under extreme heat exposure. The silicone-coated exterior provides excellent resistance to abrasion, weather, and most industrial fluids, delivering reliable performance in foundries, steel mills, welding operations, and engine compartments.
All key parameters, including inner diameter, wall thickness, length, and color options (such as standard red or custom colors), can be customized according to specific application conditions and thermal protection requirements.
Material Composition: The Silicone Fire Sleeve is constructed from high-purity, thickened non-alkali fiberglass, braided into a robust sleeving. This base material is then coated with a thick layer of rust-red silicone rubber, providing an additional barrier against heat and flame.
Thermal Performance: The sleeve is engineered to withstand extreme temperatures, with an outer temperature range of 260°C to 300°C and an inner temperature capability of up to 500°C to 600°C. This dual-layer protection ensures that the sleeve remains effective even in the most intense heat conditions.
Steel and Non-Ferrous Metal Smelting: Ideal for use in steel mills and non-ferrous metal smelting operations, where hoses and cables are exposed to molten metals and slag.
Power Plants: Provides essential protection for electrical cables and hydraulic hoses in power generation facilities, safeguarding against heat damage and electrical hazards.
Shipbuilding and Shipyards: Ensures the safety and integrity of critical piping and cabling in shipbuilding environments, where exposure to high temperatures and molten materials is common.
Fire Resistance: The Silicone Fire Sleeve is designed to be fire-resistant and flame-retardant, providing a high degree of thermal insulation. This feature protects hoses and lines from direct flame exposure and reduces the risk of fire damage.
Heat Insulation: The sleeve offers superior insulation properties, preventing heat loss from hot lines and pipes while also protecting cold or cryogenic lines from external heat sources. This dual functionality ensures energy savings and enhances operational efficiency.
Protection from Molten Materials: The sleeve shields hoses and lines from molten metals, slag, welding splatter, electrical sparks, and grinding debris. This protection prevents contamination and damage, ensuring the longevity and reliability of critical components.
Durability and Anti-Aging: The Silicone Fire Sleeve is resistant to aging, maintaining its protective properties over extended periods. This durability ensures long-term reliability in harsh industrial environments.
Outer Temperature: 260°C to 300°C (500°F to 572°F)
Inner Temperature: 500°C to 600°C (932°F to 1112°F)
Base Material: High-purity, thickened non-alkali fiberglass
Coating: Rust-red silicone rubber
Flame Retardant: Self-extinguishing properties
Insulation: High thermal insulation value
Protection: Guards against molten metals, slag, welding splatter, and electrical sparks
Enhanced Safety: Provides critical protection in high-temperature environments, reducing the risk of fire and heat-related damage.
Energy Efficiency: Insulates hot and cold lines, preventing heat loss and improving energy savings.
Versatility: Suitable for a wide range of industrial applications, including steel smelting, power generation, and shipbuilding.
Durability: Resistant to aging and environmental wear, ensuring long-term reliability.
High-Temperature Fiberglass Construction: The sleeve is manufactured from braided high-purity fiberglass yarn coated with a cured silicone elastomer, creating a flexible yet durable thermal barrier. This construction provides exceptional protection against radiant heat, molten metal splash, and direct flame exposure while maintaining structural integrity under extreme thermal stress.
Designed for Thermal Protection Applications: This fire sleeve is specifically engineered to protect hydraulic hoses, electrical cables, and fluid lines in high-temperature environments. It is suitable for use in foundries, steel mills, welding operations, engine compartments, and industrial furnace applications where heat damage poses a significant risk to critical components.
Flame and Heat Resistance Performance: The silicone coating provides outstanding flame retardancy and heat reflection, withstanding continuous operating temperatures up to 300°C（Outer） /600℃（Inner） and intermittent exposure up to 1090°C (2000°F). Its thermal barrier properties ensure that internal hoses and cables remain protected and functional even during direct flame contact or molten metal splash incidents.
Suitable for Industrial Harsh Conditions: Built for demanding environments, the fire sleeve performs reliably in applications involving welding sparks, hot slag, extreme radiant heat, and abrasive conditions. It maintains flexibility for easy installation while resisting oil, weather, and mechanical wear, ensuring long-lasting protection in heavy industrial settings.
I.D.(mm) | I.D.(inch) | Wall thickness (mm) | Tolerance (mm) | Roll length (m) | Ctn size (cm) | No./ctn (m) | GW (kg) |
φ8 | 5/16=PJ05 | 1.5 | ±0.15 | 50 | 47*47*10 | 100 | 8.5 |
φ10 | 3/8=PJ06 | 2 | ±0.20 | 25 | 47*47*10 | 100 | 11.5 |
φ11 | 7/16=PJ07 | 2 | ±0.20 | 25 | 47*47*10 | 100 | 12 |
Φ13 | 1/2=PJ08 | 2 | ±0.20 | 25 | 47*47*10 | 100 | 12.5 |
φ15 | 5/8=PJ10 | 2 | ±0.20 | 25 | 47*47*10 | 100 | 19 |
Φ19 | 3/4=PJ12 | 2 | ±0.20 | 25 | 47*47*10 | 100 | 28 |
Φ22 | 7/8=PJ14 | 2 | ±0.20 | 25 | 47*47*10 | 100 | 30 |
Φ25 | 1=PJ16 | 2 | ±0.30 | 25 | 47*47*10 | 100 | 32.5 |
φ29 | 11/8=PJ18 | 2 | ±0.30 | 25 | 47*47*10 | 50 | 20.5 |
Φ32 | 11/4=PJ20 | 2 | ±0.30 | 25 | 47*47*10 | 50 | 22 |
φ35 | 13/8=PJ22 | 3 | ±0.30 | 25 | 47*47*15 | 50 | 26.5 |
Φ38 | 11/2=PJ24 | 3 | ±0.30 | 25 | 47*47*15 | 50 | 28 |
φ40 | 13/5=PJ24 | 3 | ±0.30 | 25 | 47*47*15 | 50 | 30.5 |
φ41 | 15/8=PJ26 | 3 | ±0.30 | 25 | 47*47*15 | 50 | 31 |
Φ45 | 13/4=PJ28 | 3 | ±0.30 | 25 | 47*47*15 | 50 | 34.5 |
Φ48 | 17/8 | 3 | ±0.30 | 25 | 47*47*15 | 50 | 37 |
Φ51 | 2=PJ32 | 3 | ±0.35 | 25 | 52*52*20 | 50 | 39 |
φ55 | 21/5 | 3.5 | ±0.35 | 25 | 52*52*20 | 50 | 41.5 |
Φ57 | 21/4=PJ36 | 3.5 | ±0.35 | 25 | 52*52*20 | 50 | 42 |
Φ60 | 23/8 | 3.5 | ±0.35 | 20 | 52*52*20 | 20 | 20 |
φ64 | 21/2=PJ40 | 3.5 | ±0.35 | 20 | 52*52*20 | 20 | 21.5 |
φ65 | 23/5 | 3.5 | ±0.35 | 20 | 52*52*20 | 20 | 23 |
Φ70 | 23/4=PJ44 | 3.5 | ±0.40 | 20 | 52*52*20 | 20 | 26 |
φ76 | 3=PJ48 | 4 | ±0.40 | 20 | 52*52*20 | 20 | 28 |
Φ80 | 31/5 | 4 | ±0.40 | 20 | 52*52*20 | 20 | 29.5 |
φ83 | 31/4=PJ52 | 4 | ±0.40 | 20 | 52*52*20 | 20 | 30 |
φ85 | 33/8 | 4 | ±0.40 | 20 | 52*52*20 | 20 | 31 |
Φ89 | 31/2=PJ56 | 4 | ±0.50 | 20 | 52*52*20 | 20 | 32.2 |
φ90 | 39/16 | 4 | ±0.50 | 20 | 52*52*20 | 20 | 34 |
φ95 | 33/4=PJ60 | 4 | ±0.50 | 20 | 52*52*20 | 20 | 36 |
φ102 | 4=PJ64 | 5 | ±0.50 | 10 | 52*52*20 | 10 | 18.5 |
Q1: What is the primary function of this Silicone Fire Sleeve?
This silicone fire sleeve is designed as a removable thermal protection covering for hoses, cables, and lines. Its primary function is to shield critical components from extreme heat, radiant heat, molten metal splash, and direct flame exposure in high-temperature industrial environments.
Q2: What temperature range can this fire sleeve withstand?
The silicone fire sleeve provides excellent thermal protection across a wide range. It withstands continuous operating temperatures up to 300°C（Outer） /600℃（Inner）.
Q3: Can this sleeve be used to protect both rubber hoses and electrical cables?
Yes, the silicone fire sleeve is versatile and suitable for protecting various components, including hydraulic hoses, fuel lines, wiring harnesses, and electrical cables in applications where heat damage is a concern, such as engine compartments, welding areas, and furnace operations.
Q4: What are the available inner diameters and lengths?
The fire sleeve is available in a wide range of inner diameters, typically from 6 mm to 100 mm, to accommodate different hose and cable bundle sizes. Standard lengths include 1 meter, 5 meters, 10 meters, and 30 meters. Custom diameters and continuous lengths can be produced upon request.
Q5: How is the silicone fire sleeve installed onto existing lines?
The sleeve features a flexible braided construction that allows for easy installation. For applications where lines are already connected, split-style fire sleeve with a slit lengthwise can be supplied, allowing it to be wrapped around existing lines and secured with hook-and-loop straps or high-temperature ties.
Q6: What standards does this fire sleeve meet?
This silicone fire sleeve is manufactured to meet international standards for flame resistance and thermal protection, ensuring reliable performance in demanding industrial applications. Please contact us for specific compliance certifications.
Q7: Is this sleeve resistant to oil, fuel, and other fluids?
Yes, the silicone-coated exterior offers good resistance to common industrial fluids, including oil, fuel, hydraulic fluids, and coolants, ensuring the sleeve maintains its protective properties even in environments where fluid exposure is common.
Q8: Can this fire sleeve be used outdoors?
Yes, the silicone material provides excellent resistance to weathering, UV radiation, and ozone, making it suitable for both indoor and outdoor applications. It remains flexible and durable even after prolonged exposure to outdoor conditions.
Q9: How does this sleeve compare to heat shrink tubing or fiberglass tape?
Unlike heat shrink tubing, this fire sleeve is removable and reusable, making it ideal for protecting existing assemblies. Compared to fiberglass tape, it provides complete 360-degree coverage with a single piece, offering superior protection and faster installation.
Q10: What construction materials are used in this fire sleeve?
The sleeve features a braided high-purity fiberglass inner carrier coated with a cured silicone elastomer. This combination provides excellent thermal insulation, flame resistance, and flexibility while maintaining durability against abrasion and mechanical wear.
