Global supplier of
High-Performance Materials

Fiberglass Cloth Tape is a high-performance composite material crafted from premium-grade fiberglass yarns, available in texturized or non-texturized variants using weaving, knitting, or braiding processes to suit diverse industrial demands. Fiberglass tape is a narrow-width fabric, typically ranging from 5mm to 200mm, engineered to provide high-strength reinforcement, thermal insulation, electrical isolation, or fire protection in a flexible, manageable strip form. Unlike broader fabrics, fiberglass tape is designed for specific, localized applications where precise placement, edge reinforcement, or wrapping of components is required. 

Renowned for its exceptional thermal resistance, it maintains stable performance under extreme temperatures, with a standard continuous working temperature of up to 550°C (1020°F). 

It serves as a versatile linear reinforcement and functional material, bridging the gap between heavy fabrics and fine yarns, offering directional strength and stability in a convenient tape format.

Identification:

What are the key features of fiberglass tape?

High Strength-to-Weight Ratio: Provides substantial tensile strength in a lightweight, flexible form.

Excellent Heat & Fire Resistance: Incombustible, with continuous service temperatures up to 550°C (1022°F) for standard E-glass.

Electrical Insulation: High dielectric strength makes it ideal for insulating electrical components.

Chemical Resistance: Inert to most oils, solvents, and chemicals.

Dimensional Stability: Will not stretch, shrink, or deform under thermal or mechanical stress.

Moldability & Conformability: Flexible enough to wrap around complex shapes, corners, and curves.

Abrasion Resistance: Dense weave or knit structure protects underlying materials.

How many types of fiberglass tapes are there?

Aluminum Foil Faced Fiberglass Tape: Laminated with aluminum foil for enhanced heat reflection and vapor barrier performance, ideal for pipe insulation system.

Vermiculite Coated Fiberglass Tape: Coated with vermiculite to boost fire resistance and thermal insulation, widely used in fire doors and furnace linings.

Heat-Treated (Caramelized) Fiberglass Tape: Thermally treated to improve dimensional stability and reduce fraying, suitable for high-temperature conveyor systems.

Graphite Coated Fiberglass Tape: Features graphite coating for self-lubrication and wear resistance, used in sealing rotating equipment (e.g., valves, pumps).

Silicone Coated Fiberglass Tape: Silicone coating provides water resistance and enhanced flexibility, applicable to outdoor pipes and electrical connections.

Self-Adhesive Backed Fiberglass Tape: Equipped with pressure-sensitive adhesive for easy installation, no additional glue required, perfect for quick insulation repairs.

Fiberglass Ladder Tape (Bolt-Hole/Drop-Warp Tape): Specialized weave with periodic bolt holes or reinforced warp threads, designed for structural reinforcement in composite materials.

High-Silica Fiberglass Tape: Made from high-silica glass (SiO₂ content > 96%), withstands temperatures up to 1000°C, used in aerospace and metallurgical industries.

What are the advantages and benefits of fiberglass tapes?

Cost-Effective Durability: Long service life (5 - 10 years under normal conditions) reduces replacement frequency and maintenance costs compared to traditional materials like asbestos or ceramic fiber.

Safety & Environmental Compliance: Asbestos-free and non-toxic, avoiding health hazards associated with asbestos exposure.

Versatile Adaptability: Customizable in thickness, width, weave type, and coatings to meet specific application requirements, eliminating the need for multiple alternative materials.

Easy Installation & Maintenance: Lightweight and flexible design simplifies on-site cutting and wrapping; self-adhesive variants further reduce installation time and labor costs.

Energy Efficiency: Excellent thermal insulation performance reduces heat loss in industrial equipment (e.g., kilns, pipes), lowering energy consumption and operational costs.

Reliable Performance in Harsh Environments: Combines chemical resistance, fire retardancy, and electrical insulation, ensuring stable operation in complex scenarios (e.g., chemical plants, power stations).

What applications are fiberglass tapes used for?

Because fiberglass tape features good properties of electrical insulation, thermal insulation, and mechanism, it is widely utilized in the following applications:

High temperature insulation of kilns, pipes and vessels

Sealing of doors, valves, flanges

Raw material of fire doors and fire shutters

High temperature furnace curtain

Insulation of engine and instrument

Fireproof cable coverings and high temperature fireproof materials

Covering insulation cloth

Flue liner and other high temperature filtration

Sound-absorbing and other used to replace RCF and asbestos applications

How to store and handle fiberglass tapes? 

Store in original packaging in a cool, dry, and well-ventilated area, avoiding direct sunlight, rain, and high humidity (relative humidity ≤ 60%).

Keep away from heat sources (above 50°C), open flames, and corrosive chemicals to prevent material degradation.

The recommended shelf life is 12 months from the date of shipment; use older stock first to ensure optimal performance.

Before application, ensure the surface is clean, dry, and free of grease, oil, rust, or other contaminants to guarantee good adhesion and insulation effect.

Avoid excessive stretching or friction during handling to prevent fraying of fiberglass yarns.

FAQ

Q1: Is plain weave fiberglass tape compatible with vinyl ester resins?

A1: Yes, our standard plain weave fiberglass tape is made of E-glass, which exhibits excellent compatibility with vinyl ester resins. It provides strong bonding performance and is widely used as a reinforcement material in composite molding processes.

Q2: Do you offer fiberglass tapes with a satin weave structure?

A2: Absolutely. Satin weave fiberglass tape features a smoother surface and higher flexibility compared to plain or twill weave variants. It is ideal for applications requiring close contact with irregular surfaces, such as automotive body repairs and composite component reinforcement. 

Q3: Do you have fiberglass tapes that can withstand temperatures exceeding 800°C?

A3: Yes, our high-silica fiberglass tape is specifically designed for ultra-high-temperature environments. With a silica content of over 96%, it can withstand continuous working temperatures up to 1000°C and short-term peak temperatures of 1200°C. It is commonly used in aerospace engine insulation, metallurgical furnace linings, and other extreme-temperature scenarios.

Q4: How do I choose the right adhesive for an adhesive-backed fiberglass tape?

A: You could choose the fiberglass tape based on the instruction below:

-For High-Temp Applications: Use silicone-based adhesives (up to 260°C).

-For General Purpose, Long-Term Aging: Use acrylic-based adhesives. They have excellent UV and solvent resistance.

-For Quick Stick on Difficult Surfaces: Use rubber-based adhesives for high initial tack, but note their lower temperature and environmental resistance.

-Always check the substrate compatibility and surface preparation requirements.

Q5: How do I prevent woven tape edges from fraying?

A: In order to prevent it from fraying, please follow the instruction below:

-During Installation: Use a hot knife or soldering iron to cut and simultaneously melt/seal the edge.

-Post-Installation: Seal the edge with a thin coat of the matrix resin (epoxy, polyester) or a compatible edge sealer/finish.