Flame-Retardant Aluminum Foil Glass Cloth Tape (High-Temperature Foil Fiberglass Tape / Heat-Reflective Glass Cloth Tape) – For HVAC Ducts, Cable Wrap & Thermal Shielding

1. Product Overview

Nomay Flame-Retardant Aluminum Foil Glass Cloth Tape is a reinforced, heat-reflective industrial tape designed for HVAC duct sealing, cable wrapping, thermal insulation, heat shielding and high-temperature equipment protection. It combines the reflective and moisture-resistant surface of aluminum foil with the tensile strength, puncture resistance and dimensional stability of woven fiberglass cloth.

2. Product Construction

The tape uses a multilayer construction consisting of a reflective aluminum foil surface, high-density woven fiberglass cloth reinforcement and high-temperature silicone pressure-sensitive adhesive. It is available as a self-wound single-sided roll or with an optional release liner for die-cutting and precision installation.

3. Backing & Adhesive System

The aluminum foil outer layer reflects radiant heat and provides a metallic barrier against moisture, vapor, weathering and surface contamination. The woven fiberglass cloth strengthens the foil and improves resistance to tearing, punctures, vibration and repeated handling. The silicone pressure-sensitive adhesive provides reliable bonding on metal, insulation facing, cable jackets and irregular industrial surfaces across a broad temperature range.

4. Key Features & Buyer Benefits

• Reflective aluminum foil surface helps reduce radiant heat transfer.
• Woven fiberglass reinforcement improves tensile, tear and puncture resistance.
• Flame-retardant construction supports heat-exposed industrial applications.
• Silicone adhesive remains functional across a wide temperature range.
• Flexible reinforced backing conforms to ducts, cables, pipes and curved equipment.
• Silver metallic surface provides a clean, professional finished appearance.
• Resists moisture, weathering, UV exposure and many industrial chemicals.
• Self-wound and liner-backed versions support manual installation and die-cut converting.
• Custom widths, lengths and shapes reduce onsite cutting and material waste.

5. Applications

Recommended applications include HVAC duct joint sealing, insulation facing repair, cable and wire-harness wrapping, pipe insulation seams, thermal barrier assembly, heat-reflective wrapping, welding and soldering splash protection, furnace-area maintenance, equipment heat shielding and reinforced industrial repair.

6. Industries

Suitable industries include HVAC and building services, electrical equipment, industrial insulation, aerospace component manufacturing, rail transportation, automotive production, cable manufacturing, metal processing, appliance manufacturing, energy equipment, shipbuilding and general industrial maintenance.

7. Application Scenarios / Problems Solved

Use this tape where ordinary aluminum foil tape tears, punctures or splits under vibration and repeated handling. The fiberglass reinforcement helps maintain structural integrity, while the foil surface reflects radiant heat and limits moisture penetration. It is especially useful for sealing foil-faced insulation, protecting cables near heat sources, repairing damaged insulation jackets and wrapping irregular components that require both flexibility and mechanical strength.

8. Technical Specifications

Product Type: Single-sided flame-retardant aluminum foil glass cloth tape
Backing: Aluminum foil laminated to high-density woven fiberglass cloth
Adhesive: High-temperature silicone pressure-sensitive adhesive
Color: Silver
Surface Finish: Reflective metallic foil
Weave: Plain woven fiberglass reinforcement
Nominal Total Thickness: 0.18 mm
Typical Industry Thickness Range: 0.18–0.20 mm
Standard Widths: 12 mm, 19 mm and 25 mm
Additional Common Widths: 38 mm and 50 mm
Custom Width Range: Available according to order requirements
Standard Roll Length: 33 m
Typical Continuous Temperature Range: -50°C to 260°C
Typical Short-Duration Exposure: Up to 300°C under validated conditions
Typical 180° Peel Adhesion Reference: 10–15 N/25 mm
Typical Tensile Strength Reference: 200–240 N/cm
Typical Elongation at Break: 5–7%
Available Formats: Self-wound roll, liner-backed roll, slit roll and die-cut part

9. Performance & Operating Conditions

Apply the tape to a clean, dry surface free from oil, dust, condensation and loose insulation fibers. Firm application pressure improves adhesive contact, particularly on textured insulation facings and irregular metal surfaces. Temperature capability depends on exposure time, substrate, mechanical load, airflow, adhesive contact area and thermal cycling. Buyers should evaluate the selected construction under the actual temperature, duration and surface conditions before production use.

The aluminum foil surface reflects radiant heat but does not replace engineered thermal insulation or a certified fire barrier. Overlap tape joints when moisture or vapor control is required, and seal exposed edges where long-term outdoor service is expected.

10. Comparison & Selection Guide

Compared with plain glass cloth tape, the aluminum foil version provides a reflective metallic surface, improved moisture-barrier performance and better radiant-heat shielding.

Compared with unsupported aluminum foil tape, fiberglass reinforcement provides higher tensile strength and better resistance to puncture, tearing, vibration and repeated handling.

Choose a silicone adhesive version for high-temperature cable wrapping, heat shielding and industrial equipment applications. Acrylic adhesive foil tapes are generally better suited to moderate-temperature HVAC sealing and permanent indoor bonding.

Choose the liner-backed version when the tape must be die-cut, laminated, positioned accurately or supplied as custom patches. Choose the self-wound version for standard wrapping, sealing and maintenance work.

11. Technical Notes + FAQ

Q: Is this tape completely fireproof?
A: No adhesive tape should be described as an unlimited fire barrier. This product uses a flame-retardant, heat-resistant construction, but any project requiring a named flame, smoke or transportation test must use a model evaluated to that specific test method.

Q: Can it replace ordinary aluminum foil duct tape?
A: Yes, when the application requires additional tensile strength, puncture resistance, vibration resistance or high-temperature performance. For ordinary room-temperature duct sealing, an unreinforced foil tape may be more economical.

Q: Can it be used outdoors?
A: The foil surface resists moisture, weathering and UV exposure, but long-term outdoor performance also depends on adhesive selection, edge sealing, surface preparation and water exposure.

Q: Can custom sizes or die-cut parts be supplied?
A: Yes. Custom widths, roll lengths, sheets, patches, discs and other die-cut shapes can be produced. A release-liner version is recommended for precision converting and installation.

Q: Is the metallic surface electrically conductive?
A: Aluminum foil is conductive, but electrical continuity across the adhesive layer, overlaps and bonded assembly must be tested separately. Do not use the tape as a grounding conductor without application-specific electrical testing.

12. Inquiry CTA

Send Nomay your required total thickness, width, roll length, operating temperature, exposure duration, bonded surface, application method and estimated order quantity. Please also specify whether you need self-wound rolls, release-liner rolls, slit widths or custom die-cut parts. Our team will recommend a suitable construction and prepare a quotation for sampling or production.