English
Español
عربى
| PART NO. | WIDTH/mm | THICKNESS/mm | ROLL LENGHT/M |
| ZDGF-T-025 | 025 | 1.5/2.0 | 10/30 |
| ZDGF-T-030 | 030 | 1.5/2.0 | 10/30 |
| ZDGF-T-040 | 040 | 1.5/2.0 | 10/30 |
| ZDGF-T-050 | 050 | 1.5/2.0 | 10/30 |
| ZDGF-T-075 | 075 | 1.5/2.0 | 10/30 |
| ZDGF-T-100 | 100 | 1.5/2.0 | 10/30 |
Product Introduction
This exhaust insulating wrap is a fiberglass twisted tape manufactured from textured glass fiber yarns. The tape provides electrical insulation and high-temperature resistance properties. The continuous working temperature rating reaches 550°C. The tape is available in white, black, blue, and other colors upon request. The product wraps around electrical equipment, electronic devices, exhaust pipes, and various types of ducts to provide electrical insulation and thermal protection. It serves as an alternative to asbestos winding tape.
Core Advantages
High-Temperature Resistance
Continuous operating temperature up to 550°C. Suitable for exhaust pipe wrapping and high-temperature duct insulation applications.
Electrical Insulation Properties
Provides dielectric insulation for electrical equipment and electronic devices, preventing current leakage and short circuits.
Textured Yarn Construction
Textured glass fiber yarns provide increased surface area for thermal insulation and improved conformability around irregular shapes.
Asbestos Replacement
Provides similar high-temperature performance to asbestos winding tape without the associated health hazards. Safe to handle with standard precautions.
Multiple Color Options
Available in white, black, blue, and custom colors for color-coding or aesthetic requirements.
Flexible and Conformable
The twisted tape construction allows wrapping around pipes, hoses, and ducts of various diameters without cracking or breaking.
Product Features
Base material Textured glass fiber yarns twisted into tape form. Continuous temperature rating: 550°C. Intermittent peak: up to 750°C.
Fiber properties Alkali-free glass fiber (E-glass). Fiber diameter: 7-9 micrometers. Tensile strength: >500 N per 25mm width.
Available widths 12mm, 19mm, 25mm, 38mm, 50mm, 75mm, 100mm. Standard roll lengths: 10m, 20m, 30m. Custom widths available.
Available thicknesses 1.5mm, 2.0mm, 2.5mm, 3.0mm (compressed thickness). Thicker tapes provide increased thermal insulation.
Color options White (natural), black, blue. Custom colors available upon request with minimum order quantity.
Flame resistance Non-combustible. Does not melt or drip. Self-extinguishing when removed from flame source.
Technical Specifications
| Parameter | Specification | |||
|---|---|---|---|---|
| Continuous operating temperature | 550°C | |||
| Intermittent peak temperature | Up to 750°C (short duration)Fiber typeAlkali-free glass fiber (E-glass), textured yarnAvailable widths12mm, 19mm, 25mm, 38mm, 50mm, 75mm, 100mmAvailable thicknesses1.5mm, 2.0mm, 2.5mm, 3.0mmStandard roll length10m, 20m, 30m rolls | Tensile strength | >500 N per 25mm width | |
| Dielectric strength (dry) | 5-8 kV/mm | |||
| Thermal conductivity | 0.038-0.045 W/m·K at 200°C | |||
| Linear shrinkage at 550°C | <2% | |||
| Color options | White, black, blue (custom colors available) |
Application Scenarios
Exhaust pipe thermal insulation
Electrical equipment insulation wrapping
Electronic device heat protection
HVAC duct thermal insulation
Asbestos winding tape replacement
High-temperature hose protection
Automotive wiring harness heat shielding
Industrial equipment cable bundling
This exhaust insulating wrap is suitable for thermal insulation of exhaust pipes in automotive, marine, and industrial applications, where the tape is wrapped around the pipe to reduce radiant heat and lower under-hood or engine compartment temperatures. Electrical equipment insulation applications include wrapping motor leads, transformer windings, and high-temperature wiring. Electronic devices benefit from the tape's electrical insulation properties and thermal protection. HVAC duct insulation uses the tape for sealing joints and providing thermal barriers. As an asbestos replacement, the tape provides equivalent wrapping performance for high-temperature applications without asbestos-related health concerns. The tape also protects high-temperature hoses in hydraulic and pneumatic systems, provides heat shielding for automotive wiring harnesses, and bundles cables in industrial equipment operating at elevated temperatures.
Common Questions and Solutions
How does this tape compare to asbestos winding tape?
This fiberglass tape provides similar high-temperature performance (550°C continuous) and thermal insulation properties as asbestos tape. Unlike asbestos, glass fiber is not classified as a carcinogen under normal handling conditions. The textured yarn construction provides conformability similar to asbestos tape. It is a direct replacement for asbestos winding tape in most applications.
What is the proper method for wrapping exhaust pipes?
Start wrapping at the exhaust manifold or heat source end, overlapping each turn by 25-50% of the tape width. Apply tension to keep the tape tight against the pipe. Use stainless steel tie wraps or high-temperature tape to secure the ends. For best results, wet the tape before installation (dip in water) to allow tighter wrapping; the tape will tighten as it dries.
Does the tape provide electrical insulation for live conductors?
The tape provides supplemental electrical insulation with dielectric strength of 5-8 kV/mm. However, it is designed as a protective wrap for cables that already have primary insulation. For bare conductors or applications requiring certified electrical insulation, use products specifically rated for that purpose and consult electrical safety standards.
Can the tape be used on flexible rubber or silicone hoses?
The tape can be wrapped around silicone or rubber hoses, but the hose material must be rated for the operating temperature. Wrapping a rubber hose that exceeds its temperature rating will not protect the hose from internal heat. For exhaust systems, the tape should be wrapped around metal pipes only.
What is the shelf life of the fiberglass tape?
When stored in a dry, clean environment away from direct UV exposure, the fiberglass tape has an indefinite shelf life. The glass fiber does not degrade over time. Avoid storing in humid environments as absorbed moisture may cause steaming when the tape is first heated.
How should the tape be cut to length?
Cut the tape using sharp scissors or a utility knife. For clean cuts, use a sharp blade and cut at a slight angle. The textured yarn construction may fray at cut ends; seal the ends with high-temperature silicone or wrap with aluminum foil tape to prevent fraying.
Installation and Handling Considerations
Wear gloves when handling fiberglass tape to prevent skin irritation from glass fibers. Use an N95 respirator when cutting large quantities or if significant dust generation occurs.
For exhaust pipe wrapping, start at the end closest to the exhaust manifold or heat source. Wrap in the direction of the pipe's natural twist for automotive applications. Overlap each turn by 50% of the tape width for maximum thermal insulation.
For best results on exhaust pipes, soak the tape in water for 5-10 minutes before installation. The wet tape is more flexible and can be wrapped tighter. As the tape dries, it shrinks and tightens around the pipe. Do not soak tape used for electrical insulation applications.
Secure the ends of the wrap using stainless steel tie wraps or high-temperature wire. Do not use plastic zip ties as they will melt at exhaust temperatures. For exhaust pipes, apply stainless steel tie wraps every 10-15cm along the wrapped length.
After installation, run the engine or system at idle for 20-30 minutes to cure the wrap. Some smoke and odor may occur during initial heat curing; ensure adequate ventilation. The wrap may change color to tan or brown after heat exposure, which is normal.
Inspect the wrap periodically for damage, fraying, or loosening. Retighten stainless steel tie wraps if necessary. Replace sections that show significant wear or where the wrap has become loose. On exhaust systems, inspect the wrap after the first 500km of driving and retorque tie wraps as needed.
