Industrial-grade high-temperature aluminum foil and glass cloth tape with silicone adhesive, rated for -65°F to 600°F, offering superior heat reflection, flame resistance, and exceptional tensile strength for aerospace and automotive applications.
3M™ High Temperature Aluminum Foil/Glass Cloth Tape 363 is a premium industrial adhesive tape engineered for extreme temperature applications and demanding environments. This versatile tape combines high tensile strength with outstanding puncture and tear resistance, making it ideal for aerospace, automotive, and general industrial applications. The backing features heat-reflective aluminum supported by robust glass cloth reinforcement, creating a strong yet conformable construction that adheres excellently to irregular and uneven surfaces.
The tape is coated with a pressure-sensitive silicone adhesive that bonds effectively to difficult-to-adhere surfaces and removes cleanly after use. It resists flame, moisture, weather, and UV degradation while maintaining exceptional thermal conductivity. Operating reliably across an extreme temperature range from -65°F to 600°F (-54°C to 316°C), this tape meets FAR 25.853(a) specifications and ASTM standards. The lightweight, flexible design allows maximum conformability to curved surfaces while providing superior protection against heat, flame sources, and mechanical wear.
Ideal applications include heat-reflective wrapping over insulation, cables, and instruments; bundling wire harnesses; temporary surface protection for welding and soldering operations; and high-vibration industrial environments. The tape's combination of thermal reflectivity, chemical resistance, and mechanical strength makes it an essential solution for protecting sensitive components in aerospace, automotive, electronics, and metalworking industries.
Key Features
- High tensile strength with superior puncture, fracture, and tear resistance
- Extreme temperature tolerance from -65°F to 600°F (-54°C to 316°C)
- Flame and chemical resistant with excellent UV degradation resistance
- Pressure-sensitive silicone adhesive for difficult-to-adhere surfaces
- Heat-reflective aluminum backing with glass cloth reinforcement for maximum conformability
- Meets FAR 25.853(a) and ASTM D3330, D3652, D3758 specifications
- Lightweight, flexible design conforms to curved and irregular surfaces
- Thermally conductive with excellent heat shielding properties
- Single-sided adhesive with 36-month shelf life
- Suitable for aerospace, automotive, electronics, and industrial applications
Technical Specifications
| Specification |
Value |
| Product Number | 3M 363 |
| 3M ID | 7100196624 |
| UPC | 00068060421074 |
| Backing Material | Aluminum Foil/Glass Cloth |
| Adhesive Type | Silicone, Pressure-Sensitive |
| Tape Width | 4 inches (101.6 mm) |
| Tape Length | 36 yards (32.92 meters) |
| Total Tape Thickness | 7.3 mil (0.19 mm) |
| Backing Thickness | 2.4 mil (0.06 mm) |
| Adhesive Thickness | 3.9 mil (0.13 mm) |
| Tensile Strength | 135 lb/in (2364 N/100mm) |
| Elongation at Break | 7% |
| Maximum Operating Temperature | 600°F (316°C) |
| Minimum Operating Temperature | -65°F (-54°C) |
| Core Size | 3 inches (7.62 cm) |
| Flame Retardant | Yes |
| Number of Adhesive Sides | Single-sided |
| Indoor/Outdoor Rating | Indoor/Outdoor |
| Shelf Life | 36 months |
| Smallest Saleable Unit | Roll |
| Specifications Met | ASTM D3330, D3652, D3758, F.A.R. 25.853(a) |
| Brand | 3M™ |
| Color | Silver |
| Industries | Aerospace, Appliance, Automotive, Construction, Electronics, General Industrial, Metalworking, Military & Government, Specialty Vehicles, Transportation |
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