Industrial-grade thermosetable glass cloth tape with rubber adhesive for high-temperature splicing and insulation applications. Offers superior tensile strength, heat resistance to 450°F, and excellent adhesion on textured surfaces.
The 3M™ Thermosetable Glass Cloth Tape 365 is a premium industrial-grade adhesive tape engineered for demanding applications requiring exceptional heat resistance and tensile strength. Featuring a white glass cloth backing combined with a specialized thermosetable rubber adhesive, this tape delivers superior performance for splicing and insulating applications at elevated temperatures. The tape's unique cross-linking adhesive technology activates when exposed to heat, providing enhanced bond strength and permanent adhesion that withstands temperatures ranging from -29°C to 232°C (-40°F to 450°F).
Constructed with a durable glass cloth backing that provides high tensile strength of 2430 N/100mm, this tape excels in applications involving rough textured surfaces and materials with low internal strength such as roofing felts, fiberglass, and textiles. The conformable backing will not shrink or rot, featuring superior abrasion and puncture resistance for extended performance in demanding industrial environments. With good solvent resistance and excellent adhesion properties, the tape maintains its integrity under a wide variety of conditions, making it ideal for aerospace, automotive, construction, and military applications.
Each case contains 8 rolls of 60-yard length tape, with a total thickness of 8.3 mil and overall width of 5 inches (127 mm). The tape meets stringent industry specifications including ASTM D3330, D3652, D3758, and FAR 25.853(a), ensuring compliance with aerospace and military standards. With an 18-month shelf life and excellent initial tack combined with permanent cross-linked adhesion after thermosetting, this tape is the preferred choice for professionals requiring reliable, high-performance bonding solutions.
Key Features
- Thermosetable rubber adhesive cross-links when exposed to heat for permanent bonding
- Glass cloth backing provides exceptional tensile strength of 2430 N/100mm
- Operates reliably across wide temperature range from -29°C to 232°C (-40°F to 450°F)
- Durable backing resists shrinking, rotting, abrasion and puncture damage
- Excellent solvent resistance and adhesion on rough textured surfaces and low-strength materials
- Meets aerospace and military specifications including ASTM D3330, D3652, D3758, FAR 25.853(a)
- High initial tack provides immediate hold before thermosetting activation
- Ideal for splicing roofing felts, fiberglass, textiles and corrosion-resistant wrapping
Technical Specifications
| Specification |
Value |
| Product Name | 3M™ Thermosetable Glass Cloth Tape 365 |
| Part Number | 365 |
| 3M ID | 7010333554 |
| UPC Code | 00021200038624 |
| Product Color | White |
| Backing Material | Glass Cloth |
| Adhesive Type | Thermosetable Rubber Resin |
| Overall Width (Imperial) | 5 inches |
| Overall Width (Metric) | 127 mm |
| Overall Length (Imperial) | 60 yards |
| Overall Length (Metric) | 54.86 meters |
| 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% |
| Maximum Operating Temperature (Fahrenheit) | 450°F |
| Maximum Operating Temperature (Celsius) | 232°C |
| Minimum Operating Temperature (Fahrenheit) | -40°F |
| Minimum Operating Temperature (Celsius) | -29°C |
| Core Size (Imperial) | 3 inches |
| Core Size (Metric) | 7.62 cm |
| Units per Case | 8 rolls |
| Smallest Saleable Unit | Roll |
| Shelf Life | 18 months |
| Indoor/Outdoor Use | Indoor/Outdoor |
| Specifications Met | ASTM D3330, D3652, D3758, FAR 25.853(a) |
| Brand | 3M™ |
| Application | Splicing Together Fiberglass Web |
| Industries | Aerospace, Automotive, Construction, General Industrial, Military & Government, Specialty Vehicles, Transportation |
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