Silicone Coated Fiberglass Fire Resistant Wire Sleeve
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Product Highlights
- Superior Flame & Abrasion Protection: Braided fiberglass core with silicone coating resists direct flame, molten splash, and mechanical wear.
- Wide Size Range: Available in inner diameters from 4 mm to 150 mm for various wire bundles and industrial hoses.
- Custom Color Options: Standard black and red colors available, with custom color matching for OEM and branding needs.
- Comprehensive Certifications: Certified under ISO 9001, IATF 16949, UL 1441, RoHS, REACH, and various railway fire standards.
- Flexible Installation: High flexibility allows easy routing in tight spaces without compromising thermal insulation.
- Chemical & Oil Resistance: Silicone exterior effectively resists oils, hydraulic fluids, moisture, and harsh industrial chemicals.
- OEM & Customization Support: Offers custom lengths, wall thickness adjustments, private labeling, and full OEM production services.
Product Attributes
- Customization
- Available
- Certification
- RoHS
- Application
- Hose Protection
- Model NO.
- fiberglass fire sleeve
- Surface Treatment
- Silicon Coated
- Weave Type
- Plain Woven
- Fiberglass Type
- E-Glass
- Alkali Content
- Alkali Free
- Logo
- Upon Custom Request
- Temperature Resistance
- -70 Degree C to 260 Degree C
- Flame Resistance
- 1650 Degree C for 15 Sec
- Factory
- Ningguo Bst Thermal Products Co.,Ltd
- Certificates
- ISO 9001, IATF 16949, Msha, UL 1441, RoHS, Reach
- Transport Package
- Carton Box
- Specification
- 4-150 mm
- Trademark
- BSTFLEX
- Origin
- China
- HS Code
- 701990
- Production Capacity
- 2000m/Day
- Package Size
- 30.00cm * 30.00cm * 30.00cm
- Package Gross Weight
- 1.000kg
- Lead Time
-
3 days (1 - 500 Meters)
To be negotiated ( > 500 Meters)
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Silicone Coated Fiberglass Fire Resistant Wire Sleeve
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Silicone Coated Fiberglass Fire Resistant Wire Sleeve -
Silicone Coated Fiberglass Fire Resistant Wire Sleeve -
Silicone Coated Fiberglass Fire Resistant Wire Sleeve -
Silicone Coated Fiberglass Fire Resistant Wire Sleeve -
Silicone Coated Fiberglass Fire Resistant Wire Sleeve -
Silicone Coated Fiberglass Fire Resistant Wire Sleeve -
Silicone Coated Fiberglass Fire Resistant Wire Sleeve
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Product Description
Silicone Coated Fiberglass Fire Resistant Wire Sleeve is a high performance thermal protection sleeve developed for wires, cable harnesses, hoses, and pipelines operating in extreme heat and flame exposure environments. Manufactured from a tightly braided fiberglass sleeve and coated with premium grade silicone rubber, this protective sleeve offers excellent resistance to radiant heat, direct flame, abrasion, oil contamination, and mechanical wear.
In industrial and automotive systems, exposed wiring and fluid lines are often damaged by elevated temperatures, sparks, molten splash, and friction. This fire resistant wire sleeve creates a durable insulating barrier that helps shield critical components, reduce heat transfer, and improve overall operating safety. It is widely used in engine compartments, steel plants, railway systems, welding equipment, heavy machinery, marine applications, power generation systems, and industrial cable assemblies.
Compared with standard sleeving, silicone coated fiberglass fire sleeve provides stronger flame resistance, better weatherability, and longer service life in demanding environments. The silicone outer layer improves resistance to oils, moisture, chemicals, and aging, while the fiberglass inner structure maintains flexibility and thermal insulation performance.
This product is available in inner diameters from 4 mm to 150 mm, making it suitable for both compact wire bundles and large industrial hoses. Standard production colors are black and red. Custom colors are also available for OEM projects, application identification, and brand matching.
For buyers looking for a reliable high temperature wire protection solution, this fire resistant sleeve is an ideal choice for improving durability, reducing maintenance frequency, and protecting valuable electrical and fluid transfer systems.
Key Product Benefits
Silicone coated exterior for enhanced heat and flame resistance
Braided fiberglass core for thermal insulation and structural stability
Protects wires, cables, hoses, and pipes from direct heat exposure
Reduces damage caused by abrasion, molten splash, and harsh conditions
Helps extend service life of electrical and mechanical systems
Flexible and easy to install in industrial and automotive assemblies
Wide size range from 4 mm to 150 mm inner diameter
Standard black and red colors with custom color options
Suitable for OEM supply, bulk export, and custom industrial applications
Main Applications
Silicone Coated Fiberglass Fire Resistant Wire Sleeve is commonly used in:
Electrical wire harness protection
Battery cable insulation
High temperature cable routing
Hydraulic hose fire shielding
Fuel line heat protection
Industrial pipe insulation
Automotive engine bay protection
Railway cable and hose systems
Steel mill and foundry heat shielding
Marine and offshore wiring protection
Generator and power equipment insulation
Welding and metallurgical equipment protection
Product Parameter Table
| Parameter | Specification |
|---|---|
| Product Name | Silicone Coated Fiberglass Fire Resistant Wire Sleeve |
| Construction | Braided fiberglass sleeve with silicone rubber coating |
| Inner Diameter | 4 mm to 150 mm |
| Standard Colors | Black, Red |
| Custom Colors | Available upon request |
| Continuous Working Temperature | Up to 260 degree C |
| Minimum Temperature Resistance | Down to -70 degree C |
| Short Term Flame Exposure | Up to 800 degree C for 30 minutes |
| Sleeve Type | Fire resistant insulating sleeve |
| Flexibility | High |
| Surface Performance | Smooth silicone coated exterior |
| Main Protection | Heat, flame, abrasion, oil splash, molten splash |
| Length Supply | Custom cut length or rolls |
| OEM Service | Yes |
| Sample Support | Available |
Quality and Compliance Table
| Test Category | Standard or Report |
|---|---|
| Quality System | ISO 9001:2015 |
| Automotive Quality System | IATF 16949 |
| Mine Safety | MSHA |
| Product Safety | UL 1441 |
| Environmental Compliance | RoHS |
| Environmental Compliance | REACH |
| Low Temperature Test | -70 degree C Test |
| Heat Resistance Test | 260 degree C Test |
| Fire Exposure Test | 800 degree C for 30 minutes |
| Marine Related Test Reference | GL Germanischer Lloyd |
| Railway Fire Standard | DIN EN45545-2:2020 |
| Low Smoke Toxicity | DIN 45545 |
| Rail Combustibility | DIN 54837 / 5510-2 |
| Surface Flame Test | NF EN ISO 11925-2 |
| Railway Flame Retardant Material Spec | TB/T 3138-2018 |
| Molten Splash Resistance | BS EN 373 |
| Abrasion Resistance | BS EN 388 |
| Oil Resistance | BS EN ISO 6530 |
| Tensile Strength | BS 2576 |
| Thermal Conductivity | ASTM C177 |
Why This Product Is Preferred by Industrial Buyers
Silicone Coated Fiberglass Fire Resistant Wire Sleeve is widely selected by industrial buyers because it combines thermal insulation, flame resistance, and physical protection in one solution. It is especially suitable for applications where wiring or hose assemblies are exposed to high ambient temperatures, direct contact heat, or sudden fire hazards.
The sleeve helps reduce equipment downtime by protecting vulnerable lines from premature failure. It also improves safety in working environments where heat exposure can damage insulation, melt cable jackets, or weaken hose surfaces. For equipment manufacturers, repair suppliers, and project contractors, this sleeve is a practical and cost effective solution for long term thermal protection.
Customization Options
We support custom production based on customer requirements.
| Custom Item | Service |
|---|---|
| Inner Diameter | Custom sizes within production range |
| Color | Custom color matching available |
| Length | Cut pieces or roll packaging |
| Wall Thickness | Can be adjusted for project needs |
| Packaging | Standard export or private label packaging |
| Printing or Labeling | Available for OEM orders |
| Bulk Order Support | Yes |
| Sample Evaluation | Yes |
FAQ
1. What is silicone coated fiberglass fire resistant wire sleeve used for?
This sleeve is used to protect electrical wires, cables, hoses, and pipes from heat, flame, abrasion, and molten splash. It is commonly installed in automotive, industrial, railway, and power equipment systems.
2. What is the temperature resistance of this fire sleeve?
The sleeve can withstand continuous exposure up to 260 degree C and low temperatures down to -70 degree C. It can also resist short term flame exposure up to 800 degree C for 30 minutes.
3. What size range can you produce?
We can manufacture inner diameters from 4 mm to 150 mm. This allows the product to fit small wire bundles as well as larger hoses and pipe assemblies.
4. What colors are available?
The standard colors are black and red. Other colors can be customized according to customer requirements, project identification needs, or branding preferences.
5. Is this sleeve suitable for wire harness protection?
Yes. It is an excellent solution for wire harness heat protection because it provides insulation, flame resistance, and abrasion resistance while remaining flexible for routing and installation.
6. Can this product be used on hydraulic hoses and fuel lines?
Yes. In addition to wires and cables, this sleeve is widely used on hydraulic hoses, fuel lines, oil lines, and industrial pipes that require heat and fire protection.
7. Do you provide OEM and custom packaging?
Yes. We support OEM production, customized lengths, custom colors, private label packaging, and bulk order supply for distributors and industrial buyers.
8. What certifications and test reports do you have?
We have multiple quality and compliance documents, including ISO 9001:2015, IATF 16949, MSHA, UL 1441, RoHS, REACH, railway fire standards, abrasion tests, oil resistance tests, tensile strength tests, and thermal conductivity tests.
9. Is the sleeve flexible enough for installation in tight spaces?
Yes. The braided fiberglass construction provides good flexibility, and the silicone coating adds protection without making the sleeve overly rigid. This makes installation easier in compact routing areas.
10. Why should buyers choose silicone coated fiberglass sleeve instead of normal sleeving?
Compared with ordinary sleeving, silicone coated fiberglass sleeve offers much stronger resistance to heat, flame, oil splash, and harsh industrial conditions. It provides longer service life and better safety performance in critical applications.
BST-EFRS Silicone coated Heatproof Aeroquip Firesleeve Hose Covering made of braided fiberglass yarns in a flexible substrate, then coated with a high grade silicone rubber. It is a self-extinguishing thermal protection sleeve. Silicone rubber on our fire sleeve sheds molten metals, slag, welding splatter, electrical or grinding sparks and contamination.
It offers excellent short term flame protection and great insulation properties for high temperature.
Resistant to hydraulic fluids, oils and fuels and can protects against molten splash and flames.
It's mainly used in steelworks, glass and ceramic industry, in railway and some other fields, protect cables, wires and hoses with very high temperature.
| Datasheet | |||||||||
| Part Number | Normal Inside diameter | Meter for spool | |||||||
| Inches | mm | Dash # | Meter | ||||||
| BST-EFRS-6 | 1/4 | 6 | -4 | 20 | |||||
| BST-EFRS-8 | 5/16 | 8 | -5 | 20 | |||||
| BST-EFRS-10 | 3/8 | 10 | -6 | 20 | |||||
| BST-EFRS-11 | 7/16 | 11 | -7 | 20 | |||||
| BST-EFRS-13 | 1/2 | 13 | -8 | 20 | |||||
| BST-EFRS-16 | 5/8 | 16 | -10 | 20 | |||||
| BST-EFRS-19 | 3/4 | 19 | -12 | 20 | |||||
| BST-EFRS-22 | 7/8 | 22 | -14 | 20 | |||||
| BST-EFRS-25 | 1 | 25 | -16 | 20 | |||||
| BST-EFRS-29 | 1 1/8 | 29 | -18 | 20 | |||||
| BST-EFRS-32 | 1 1/4 | 32 | -20 | 20 | |||||
| BST-EFRS-35 | 1 3/8 | 35 | -22 | 20 | |||||
| BST-EFRS-38 | 1 1/2 | 38 | -24 | 20 | |||||
| BST-EFRS-41 | 1 5/8 | 41 | -26 | 20 | |||||
| BST-EFRS-44 | 1 3/4 | 44 | -28 | 20 | |||||
| BST-EFRS-48 | 1 7/8 | 48 | -30 | 20 | |||||
| BST-EFRS-51 | 2 | 51 | -32 | 20 | |||||
| BST-EFRS-57 | 2 1/4 | 57 | 36 | 20 | |||||
| BST-EFRS-60 | 2 2/5 | 60 | -38 | 20 | |||||
| BST-EFRS-64 | 2 1/2 | 64 | -40 | 20 | |||||
| BST-EFRS-67 | 2 5/8 | 67 | -42 | 20 | |||||
| BST-EFRS-70 | 2 3/4 | 70 | -44 | 20 | |||||
| BST-EFRS-73 | 2 7/8 | 73 | -46 | 20 | |||||
| BST-EFRS-76 | 3 | 76 | -48 | 20 | |||||
| BST-EFRS-83 | 3 1/4 | 83 | -52 | 20 | |||||
| BST-EFRS-89 | 3 1/2 | 89 | -56 | 20 | |||||
| BST-EFRS-95 | 3 3/4 | 95 | -60 | 20 | |||||
| BST-EFRS-102 | 4 | 102 | -64 | 20 | |||||
| BST-EFRS-114 | 4 1/2 | 114 | -72 | 20 | |||||
| BST-EFRS-121 | 4 3/4 | 121 | -76 | 20 | |||||
| BST-EFRS-127 | 5 | 127 | -80 | 20 | |||||
| BST-EFRS-152 | 6 | 152 | -96 | 20 | |||||
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR2691033". Items marked "
" are certified.
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Company Profile
BSTFLEX is a leading supplier from China for a wide range thermal protection products and solution for our Customers.
The Company was founded in 2011 in the city of Ningguo City, Anhui Province, in China, about 4 hours from Shanghai.
This city is an important district for auto-parts products, so the natural place to develop our range of products, often related with automotive industry.
The Company had a fast growing in the past 4 years, and now we export our products in over 25 countries around the World, for example in Germany, Japan, USA, Australia, France, Spain, Italy, Brazil, Russia, India, Middle East and so on.
About 80% of our turnover is made in Overseas Market.
We have a wide range of products, mainly for thermal protection in different fields as steelworks, glass, ceramic, railway and automotive industry.
Our key products are: Fire sleeves, we have four versions, called economic, industrial and heavy duty grade, recently we have developed a knitted version of fire sleeve, then we have in our portfolio of products tapes in different material (silica, basalt, carbon, fiberglass, ceramic and so on), fabrics as well in different material (fiberglass, carbon, basalt, silica, ceramic, aramid and so on), ropes for different temperatures and applications.
Developed specially for automotive we have the exhaust wraps, heat shields and turbo blanket.
Our main factory located in Ningguo covers a space of about 4000 Sqm, we have 5 new generation vertical coating line machines to produce our fire sleeves, and we have about 50 workers for production line, warehouse and 5 people in our R&D department.
In the headquarter we produce the fire sleeves, tapes and insulation jackets.
The others products are developed by our R&D team and made through a strong network of partners in China.
Our turnover in 2014 was about 4.000.000 USD, growing around 30% for year.
Our goal is to establish long term cooperation with some leading players in this field, to be their new potential partner, offering stable quality, good service, flexibility and reasonable prices.
We hope to have chance to cooperate with you, and we want to provide the best thermal and protection solution for our customers.
Best Regards
BSTFLEX TEAM
About Our Factory & Business Background
- Address
- No. 10th, Chuangxin North, Ningguo City, Anhui Province, Xuancheng, Anhui, China
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Set
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
- Main Products
- Fire Sleeve, Heat Shield, Exhaust Wrap, Turbo Blanket, Heat Barrier, Hose Protection Sleeve, Aluminum Corrugated Tube, Fiberglass Sleeve, Exhaust Pipe Insulation Blanket, Heat Protection Tube
-
Production Lines
- 1
-
Production Machines
- Braiding Machine, Cutting Machine, Cutting Machine, Sewing Machine, Winding Machine
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Export Year
- 14 Years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia
-
Number of Foreign Trading Staff
- 7
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
FAQ
- What is silicone coated fiberglass fire resistant wire sleeve used for?
- This sleeve is used to protect electrical wires, cables, hoses, and pipes from heat, flame, abrasion, and molten splash. It is commonly installed in automotive, industrial, railway, and power equipment systems.
- What is the temperature resistance of this fire sleeve?
- The sleeve can withstand continuous exposure up to 260 degree C and low temperatures down to -70 degree C. It can also resist short term flame exposure up to 800 degree C for 30 minutes.
- What size range can you produce?
- We can manufacture inner diameters from 4 mm to 150 mm. This allows the product to fit small wire bundles as well as larger hoses and pipe assemblies.
- What colors are available?
- The standard colors are black and red. Other colors can be customized according to customer requirements, project identification needs, or branding preferences.
- Is this sleeve suitable for wire harness protection?
- Yes. It is an excellent solution for wire harness heat protection because it provides insulation, flame resistance, and abrasion resistance while remaining flexible for routing and installation.
- Can this product be used on hydraulic hoses and fuel lines?
- Yes. In addition to wires and cables, this sleeve is widely used on hydraulic hoses, fuel lines, oil lines, and industrial pipes that require heat and fire protection.
- Do you provide OEM and custom packaging?
- Yes. We support OEM production, customized lengths, custom colors, private label packaging, and bulk order supply for distributors and industrial buyers.
- What certifications and test reports do you have?
- We have multiple quality and compliance documents, including ISO 9001:2015, IATF 16949, MSHA, UL 1441, RoHS, REACH, railway fire standards, abrasion tests, oil resistance tests, tensile strength tests, and thermal conductivity tests.
- Is the sleeve flexible enough for installation in tight spaces?
- Yes. The braided fiberglass construction provides good flexibility, and the silicone coating adds protection without making the sleeve overly rigid. This makes installation easier in compact routing areas.
- Why should buyers choose silicone coated fiberglass sleeve instead of normal sleeving?
- Compared with ordinary sleeving, silicone coated fiberglass sleeve offers much stronger resistance to heat, flame, oil splash, and harsh industrial conditions. It provides longer service life and better safety performance in critical applications.
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