High-temperature silicone-coated fiberglass sleeve designed to protect hydraulic hoses, cables, wire harnesses, fuel lines, and industrial pipes from extreme heat, open flame, molten metal splash, welding sparks, and abrasion.
Constructed with high-purity fiberglass and a thick self-extinguishing silicone rubber coating, the sleeve provides reliable thermal insulation and fire protection in demanding industrial environments.
Key Features
✔ Continuous temperature resistance up to 300°C
✔ Short-term protection up to 600°C
✔ Protects against molten splash and welding sparks
✔ Excellent thermal insulation and abrasion resistance
Silicone Fire Sleeve is a high-temperature protective sleeve designed to shield hoses, cables, wire harnesses, and pipes from extreme heat, open flame, molten metal splash, welding sparks, and mechanical abrasion.
Manufactured from high-purity fiberglass braided sleeving and coated with a thick layer of self-extinguishing silicone rubber, the sleeve provides outstanding thermal insulation and flame resistance in demanding industrial environments. The silicone coating helps repel molten splash while protecting critical hydraulic, pneumatic, fuel, and electrical systems from heat-related damage.
Widely used in steel mills, foundries, aluminum smelters, glass plants, power generation facilities, mining equipment, and marine applications, Silicone Fire Sleeve helps improve equipment reliability, reduce maintenance costs, and extend service life in high-temperature operating environments.
Key Benefits
Protects hoses, cables, and pipes from extreme heat
Resistant to molten metal splash and welding sparks
Self-extinguishing silicone rubber coating
Excellent thermal insulation performance
Helps reduce heat loss and improve energy efficiency
Abrasion, oil, weather, and aging resistant
Available in sizes from 8mm to 102mm
Suitable for hydraulic, pneumatic, electrical, and industrial systems
Technical Specifications
Construction
Component
Material
Core Layer
High-purity braided fiberglass
Outer Coating
Iron oxide red silicone rubber
Structure
Silicone coated fiberglass sleeving
Color
Iron oxide red
Temperature Resistance
High-temperature industrial environments
Temperature Rating
Performance
Temperature
Continuous Exposure
260°C – 300°C
Short-Term Exposure
500°C – 600°C
Flame Resistance
Excellent
Thermal Insulation
High
Silicone Fire Sleeve Size Chart
Available Sizes from 8mm to 102mm
Grantseed Silicone Fire Sleeve is available in a wide range of diameters from 8mm to 102mm, providing reliable thermal and fire protection for wire harnesses, hydraulic hoses, fuel lines, industrial tubing, and process piping systems.
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
Typical Size Selection Guide
Choosing the correct sleeve diameter is essential for achieving effective thermal insulation and fire protection. The sleeve should typically be selected slightly larger than the outside diameter of the hose, cable, or pipe being protected.
Fire Sleeve Size
Typical Application
8mm – 15mm
Sensor cables, electrical wires, wire harnesses, small pneumatic lines
19mm – 32mm
Hydraulic hoses, fuel lines, industrial control cables
35mm – 60mm
Medium hydraulic systems, oil lines, industrial tubing
Large industrial pipes, process piping, high-capacity hose systems
Why Wall Thickness Matters
Wall thickness plays a critical role in the performance of a Silicone Fire Sleeve. A thicker fiberglass and silicone construction provides enhanced protection against radiant heat, molten metal splash, welding sparks, and mechanical abrasion.
Benefits of Increased Wall Thickness
Improved thermal insulation performance
Better protection against molten metal splash
Increased abrasion resistance
Enhanced durability in harsh industrial environments
Longer service life under continuous heat exposure
Larger diameter sleeves are manufactured with thicker wall constructions ranging from 3mm to 5mm to maintain reliable protection performance for large hydraulic hoses, industrial pipes, and process systems operating in high-temperature environments.
What Does Silicone Fire Sleeve Protect?
Silicone Fire Sleeve is designed to protect critical components that are exposed to high temperatures and fire hazards.
Hydraulic Hoses
Protects hydraulic systems from molten metal splash, radiant heat, and welding sparks while helping prevent premature hose failure.
Fuel & Oil Lines
Provides an additional layer of fire protection for fuel delivery systems operating near high-temperature equipment.
Electrical Cables & Wire Harnesses
Shields electrical systems from heat damage, improving reliability and extending cable service life.
Pipes & Tubing
Helps maintain operating temperatures while protecting process piping from external heat exposure.
Pneumatic & Industrial Hoses
Reduces thermal damage and abrasion in demanding industrial environments.
Why Silicone Fire Sleeve Is Essential for Hydraulic Hose Protection
Hydraulic hoses are often exposed to extreme heat, molten metal splash, welding sparks, and radiant heat in steel mills, foundries, aluminum smelters, glass manufacturing facilities, and mining operations.
Without proper thermal protection, excessive heat can accelerate hose aging, damage outer covers, reduce service life, and increase the risk of unexpected hydraulic system failures.
Silicone Fire Sleeve creates a durable thermal barrier around hydraulic hoses, helping protect them from:
Molten Metal Splash
Prevents direct contact between molten metal, slag, and hydraulic hose surfaces.
Welding & Grinding Sparks
Reduces damage caused by hot particles generated during fabrication, maintenance, and repair operations.
Radiant Heat Exposure
Helps minimize heat transfer from furnaces, kilns, casting equipment, and other high-temperature machinery.
Flame Contact
Provides temporary protection against accidental flame exposure and helps reduce fire-related damage.
Mechanical Abrasion
The thick silicone coating also helps protect hoses from abrasion, contamination, and harsh industrial environments.
Benefits for Hydraulic Systems
Extended hydraulic hose service life
Reduced maintenance and replacement costs
Improved equipment reliability
Reduced risk of hydraulic fluid leaks
Enhanced personnel and equipment safety
Lower downtime in critical production operations
For steel processing plants, foundries, mining equipment, power generation facilities, and other high-temperature industries, Silicone Fire Sleeve is widely used as an effective solution for hydraulic hose fire protection and thermal insulation.
Common Industries Using Silicone Fire Sleeve
Steel & Metal Processing
Protects hydraulic hoses and cables from molten steel, slag, and radiant heat.
Aluminum Smelting
Provides thermal protection for hydraulic systems operating near casting and smelting equipment.
Glass Manufacturing
Protects hoses and wiring exposed to continuously elevated temperatures.
Mining Equipment
Helps extend the life of hydraulic and pneumatic systems operating in harsh environments.
Power Generation
Used for cable and pipe protection around boilers, turbines, and high-temperature equipment.
Marine & Shipbuilding
Protects critical systems from heat, abrasion, and harsh operating conditions.
Why Silicone Fire Sleeve Matters in High-Temperature Environments
Industrial facilities often expose equipment to extreme temperatures that can rapidly damage unprotected hoses and cables.
Common hazards include:
Molten Metal Splash
Found in steel mills, aluminum processing plants, and foundries.
Welding Sparks
Protects nearby hoses and cables during fabrication and maintenance operations.
Radiant Heat
Helps reduce heat transfer from furnaces, kilns, and high-temperature machinery.
Open Flame Exposure
Provides an additional protective barrier against accidental flame contact.
Grinding & Cutting Sparks
Protects sensitive lines and cables from hot debris generated during metal processing.
Using Silicone Fire Sleeve can significantly reduce downtime, maintenance costs, and unexpected equipment failures.
Silicone Fire Sleeve vs Fiberglass Sleeve
Both products provide heat protection, but Silicone Fire Sleeve offers additional fire and abrasion resistance.
Feature
Silicone Fire Sleeve
Fiberglass Sleeve
Heat Resistance
Excellent
Good
Flame Resistance
Excellent
Moderate
Molten Splash Protection
Excellent
Limited
Abrasion Resistance
High
Moderate
Weather Resistance
High
Low
Oil Resistance
High
Low
Outdoor Use
Suitable
Limited
For demanding industrial environments, Silicone Fire Sleeve provides more comprehensive protection than untreated fiberglass sleeving.
Easy Installation on Existing Hoses and Cables
Silicone Fire Sleeve can be easily installed over existing hydraulic hoses, fuel lines, cables, wire harnesses, and industrial tubing without requiring system modifications.
Installation Benefits
Quick retrofit solution
Minimal downtime during maintenance
Suitable for new and existing equipment
Flexible construction for easy routing
Available in multiple diameters for different applications
This makes Silicone Fire Sleeve an effective solution for upgrading heat and fire protection in existing industrial systems.
Why Choose Grantseed
Continuous Temperature Resistance up to 300°C
Designed for long-term protection in steel mills, foundries, glass plants, and other high-temperature environments.
Short-Term Protection up to 600°C
Helps shield hoses and cables from molten splash, welding sparks, and temporary flame exposure.
Sizes from 8mm to 102mm
Available for wire harnesses, hydraulic hoses, fuel lines, industrial tubing, and large process piping systems.
Proven Hydraulic Hose Protection Solution
Widely used to improve hose reliability, reduce downtime, and extend service life in demanding industrial applications.
FAQ
What is Silicone Fire Sleeve used for?
It is used to protect hoses, cables, wire harnesses, and pipes from heat, flame, molten metal splash, and abrasion.
What temperature can Silicone Fire Sleeve withstand?
It can withstand continuous temperatures of 260°C–300°C and short-term exposure up to 500°C–600°C.
Can it protect hydraulic hoses?
Yes. It is widely used to protect hydraulic hoses in steel mills, foundries, mining equipment, and industrial machinery.
Is Silicone Fire Sleeve flame resistant?
Yes. The silicone rubber coating is self-extinguishing and provides excellent flame resistance.
Can it be used outdoors?
Yes. The silicone coating provides resistance to weather, UV exposure, and environmental aging.
How do I choose the correct size?
Choose a sleeve with an internal diameter slightly larger than the outside diameter of the hose, cable, or pipe being protected.
Is custom sizing available?
Yes. Custom lengths and packaging options are available according to project requirements.
Is Silicone Fire Sleeve the Same as Fire Jacket?
No. Fire sleeve is a braided fiberglass sleeve coated with silicone rubber, while fire jackets may use different multilayer constructions for specific industrial applications.
Can Silicone Fire Sleeve Be Installed on Existing Hoses?
Yes. Fire sleeves can be installed over existing hoses, cables, and pipes provided the correct diameter is selected.
