Industrial-grade high temperature aluminum foil glass cloth tape with superior tensile strength, flame resistance, and thermal conductivity for aerospace, automotive, and extreme temperature applications.
3M™ High Temperature Aluminum Foil/Glass Cloth Tape 363 is a versatile industrial tape engineered for extreme conditions and demanding applications. This premium tape features high tensile strength combined with outstanding puncture and tear resistance, making it ideal for aerospace, automotive, and general industrial use. The backing combines heat-reflective aluminum foil with robust glass cloth reinforcement, creating a strong yet conformable structure that adheres excellently to irregular and uneven surfaces.
Coated with a pressure-sensitive silicone adhesive, this tape performs consistently across an exceptional temperature range from -65°F to 600°F (-54°C to 316°C). It resists flame, moisture, weather, and UV degradation while maintaining exceptional thermal conductivity. The lightweight, flexible construction enables superior conformability to curved surfaces, making it perfect for bundling wire harnesses, heat reflective wrapping of insulation cables, and protecting sensitive materials from heat exposure.
Meeting F.A.R. 25.853(a) requirements and multiple ASTM standards, this industrial-grade tape is supplied in convenient 72-roll cases with 36-yard rolls of 1/2-inch width. Each roll features a 3-inch core and 7.3-mil thickness, delivering consistent performance in applications exposed to movement, vibration, and extreme thermal stress.
Key Features
- High tensile strength with superior puncture, fracture, and tear resistance
- Operates continuously in extreme temperatures from -65°F to 600°F (-54°C to 316°C)
- Flame, moisture, weather, and UV resistant with exceptional thermal conductivity
- Lightweight, flexible construction for maximum conformability to curved and irregular surfaces
- Pressure-sensitive silicone adhesive adheres to difficult surfaces and removes cleanly
- Heat-reflective aluminum foil backing with glass cloth reinforcement
- Meets F.A.R. 25.853(a) and ASTM standards for aerospace applications
- Ideal for wire harness bundling, heat shielding, and vibration-prone environments
Technical Specifications
| Specification |
Value |
| Product Name | 3M™ High Temperature Aluminum Foil Glass Cloth Tape 363 |
| Part Number | 363 |
| 3M ID | 7000048939 |
| UPC | 00021200495274 |
| Overall Width (Imperial) | 0.5 in |
| Overall Width (Metric) | 12.7 mm |
| Overall Length (Imperial) | 36 yd |
| Overall Length (Metric) | 32.9 m |
| Total Tape Thickness without Liner (Imperial) | 7.3 mil |
| Total Tape Thickness without Liner (Metric) | 0.19 mm |
| Backing (Carrier) Material | Aluminum Foil/Glass Cloth |
| Backing (Carrier) Thickness (Imperial) | 2.4 mil |
| Backing (Carrier) Thickness (Metric) | 0.06 mm |
| Back Side Adhesive Thickness (Imperial) | 3.9 mil |
| Back Side Adhesive Thickness (Metric) | 0.13 mm |
| Product Color | Silver |
| Adhesive Type | Silicone |
| Number of Adhesive Sides | Single-sided |
| Tensile Strength (Imperial) | 135 lb/in |
| Tensile Strength (Metric) | 2364 N/100mm |
| Elongation at Break | 7% |
| Maximum Operating Temperature (Fahrenheit) | 600 °F |
| Maximum Operating Temperature (Celsius) | 316 °C |
| Minimum Operating Temperature (Fahrenheit) | -65 °F |
| Minimum Operating Temperature (Celsius) | -54 °C |
| Flame Retardant | Yes |
| Indoor/Outdoor | Indoor/Outdoor |
| Core Size (Imperial) | 3 in |
| Core Size (Metric) | 7.62 cm |
| Case Quantity | 72/case |
| Units per Case | 72.0 |
| Smallest Saleable Unit | Roll |
| Shelf Life | 36 Month |
| Specifications Met | ASTM D3330, D3652, ASTM D3758, F.A.R. 25.853(a) |
| Application | Shielding Cables Against Heat, Shielding Wire Harnesses Against Heat |
| Industries | Aerospace, Appliance, Automotive, Construction, Electronics, General Industrial, Metalworking, Military & Government, Specialty Vehicles, Transportation |
| Brand | 3M™ |
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