Fiberglass Square Braided Rope is a high-temperature sealing rope manufactured from E-glass fiberglass yarns using a square braided construction. It is designed for thermal sealing, insulation, and gap filling in high-temperature industrial environments where resistance to heat, flame, and mechanical wear is required.
This square braided fiberglass rope is commonly used as a high-temperature sealing gasket for furnaces, boilers, ovens, stoves, kilns, and industrial heating equipment.
Square Braided Construction
The rope is produced using a square braiding process that forms a dense, uniform cross-section.
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Square profile provides better surface contact compared to round ropes
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Dense braided structure improves sealing efficiency
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Maintains shape under compression
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Suitable for static sealing applications
The square braided design allows the rope to sit firmly in grooves, channels, or sealing gaps, reducing air leakage and heat loss.
Material Characteristics
Fiberglass Square Braided Rope is manufactured from high-quality fiberglass yarns, offering stable performance in high-temperature conditions.
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Excellent resistance to high temperatures
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Non-combustible and flame resistant
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Low thermal conductivity
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Good tensile strength and dimensional stability
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Resistant to most chemicals, oils, and solvents
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Does not rot, mildew, or deteriorate with age
For improved handling and reduced fiber dusting, the rope can be treated with graphite, vermiculite, or other coatings upon request.
Temperature Resistance
This fiberglass square braided rope is suitable for continuous use in elevated temperature environments.
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Continuous working temperature: up to 550°C (1022°F)
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Short-term exposure: up to 1000°C (1832°F)
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Maintains sealing integrity under thermal cycling
It is ideal for applications where traditional rubber or polymer seals would fail.
Key Advantages
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Square braided structure for improved sealing
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High temperature and flame resistance
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Effective thermal insulation and air sealing
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Flexible and easy to install
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Good compression recovery
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Long service life in industrial environments
Applications
Fiberglass Square Braided Rope is widely used in:
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Industrial furnaces and boilers
Door seals, expansion joints, inspection ports
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Stoves and ovens
Fireplace doors, stove door seals, flue connections
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Kilns and thermal equipment
Heat containment and gap sealing
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Power generation and process industries
High-temperature duct and equipment sealing
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General industrial sealing
Thermal insulation and gap filling in high-heat zones
Installation and Use
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Can be cut to length with standard tools
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Installed into grooves or sealing channels
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Fixed using high-temperature adhesive if required
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Designed for static sealing rather than dynamic motion
Correct size selection ensures optimal sealing performance and service life.
Available Sizes and Customization
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Square cross-sections available in multiple sizes
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Custom dimensions available upon request
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Optional treatments: graphite coating, vermiculite coating, wire reinforcement
This flexibility allows the rope to meet a wide range of sealing and insulation requirements.
Why Choose Fiberglass Square Braided Rope
Fiberglass Square Braided Rope is selected when applications require:
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Reliable sealing at high temperatures
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Stable performance under compression
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Long-term resistance to heat and flame
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Cost-effective alternative to ceramic fiber seals
It provides a practical balance between performance, durability, and cost.
Frequently Asked Questions
What is fiberglass square braided rope used for?
It is used as a high-temperature sealing rope for furnaces, boilers, ovens, stoves, and industrial heating equipment.
Why choose square braided rope instead of round rope?
Square ropes provide better surface contact and sealing efficiency in flat or rectangular grooves.
Is fiberglass rope fire resistant?
Yes. Fiberglass is non-combustible and flame resistant.
Can this rope withstand continuous heat?
Yes. It is suitable for continuous use up to 550°C.
Can coatings be added to the rope?
Yes. Graphite or vermiculite coatings are available to improve lubrication and handling.
Contact Us
If you are looking for a reliable high-temperature sealing rope for industrial or thermal equipment, Fiberglass Square Braided Rope offers proven performance and long service life.
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