Premium thermosetable glass cloth tape with rubber adhesive for high-temperature splicing and insulation applications. Features excellent tensile strength, heat resistance to 450°F, and superior durability for industrial use.
3M™ Thermosetable Glass Cloth Tape 365 is a premium industrial adhesive tape engineered for demanding applications requiring high tensile strength and superior heat resistance. Constructed with a durable glass cloth backing and thermosetable rubber adhesive, this white tape excels in splicing textured surfaces, roofing felts, fiberglass, and textiles where materials have rough surfaces or low internal strength. The innovative thermosetable rubber adhesive provides excellent initial adhesion and high tack, and when exposed to a thermosetting cycle through ironing or heating, the adhesive cross-links to deliver superior bond strength and enhanced heat resistance.
This professional-grade tape is specifically designed for industrial and occupational use, offering exceptional performance across a wide temperature range from -40°F/4°C to 450°F/232°C. The glass cloth backing provides outstanding tensile strength of 2224 oz/in, ensuring increased productivity and reliability in demanding environments. The tape features excellent solvent resistance, will not shrink or rot, and demonstrates superior abrasion and puncture resistance for extended performance. With a total thickness of 8.3 mil and conformable backing, it provides the durability and reliability needed for aerospace, automotive, construction, and military applications.
Each case contains 8 rolls of 60-yard length, making it ideal for high-volume industrial applications. The tape meets rigorous specifications including ASTM D3330, D3652, ASTM D3758, and F.A.R. 25.853(a), ensuring compliance with aerospace and military standards. Recommended for splicing and insulating applications, corrosion-resistant wrapping on stainless steel hot air ducts, and bonding materials requiring superior tensile strength at elevated temperatures.
Key Features
- Thermosetable rubber adhesive cross-links when exposed to heat, providing superior bond strength and heat resistance
- Glass cloth backing delivers high tensile strength of 2224 oz/in for increased productivity and reliability
- Operates across wide temperature range from -40°F to 450°F (-29°C to 232°C) for demanding environments
- Excellent solvent resistance with superior abrasion and puncture resistance for extended performance
- Conforms to aerospace and military standards including ASTM D3330, D3652, ASTM D3758, and F.A.R. 25.853(a)
Technical Specifications
| Specification |
Value |
| Product Name | 3M™ Thermosetable Glass Cloth Tape 365 |
| Part Number | 365 |
| 3M ID | 7000048541 |
| UPC | 00021200038617 |
| Backing Material | Glass Cloth |
| Adhesive Type | Thermosettable Rubber Resin |
| Product Color | White |
| Overall Width (Imperial) | 4 in |
| Overall Width (Metric) | 101.6 mm |
| Overall Length (Imperial) | 60 yd |
| Overall Length (Metric) | 54.86 m |
| Total Tape Thickness (Imperial) | 8.3 mil |
| Total Tape Thickness (Metric) | 0.2 mm |
| Backing Thickness (Imperial) | 4.8 mil |
| Backing Thickness (Metric) | 0.12 mm |
| Adhesive Thickness (Imperial) | 3.5 mil |
| Adhesive Thickness (Metric) | 0.08 mm |
| Tensile Strength (Imperial) | 2224 oz/in |
| Tensile Strength (Metric) | 2430 N/100mm |
| Elongation at Break | 7% |
| Core Size (Imperial) | 3 in |
| Core Size (Metric) | 7.62 cm |
| Maximum Operating Temperature (Fahrenheit) | 450°F |
| Maximum Operating Temperature (Celsius) | 232°C |
| Minimum Operating Temperature (Fahrenheit) | -40°F |
| Minimum Operating Temperature (Celsius) | -29°C |
| Temperature Range | -40°F to 450°F (-29°C to 232°C) |
| Indoor/Outdoor | Indoor/Outdoor |
| Shelf Life | 18 Months |
| Units per Case | 8 rolls |
| Smallest Saleable Unit | Roll |
| Application | Splicing Together Fiberglass Web |
| Specifications Met | ASTM D3330, D3652, ASTM D3758, F.A.R. 25.853(a) |
| Industries | Aerospace, Automotive, Construction, General Industrial, Military & Government, Specialty Vehicles, Transportation |
| Use Type | Industrial/Occupational Use Only |
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