Premium industrial sealing tape with waterproof multilayer elastomeric backing and aggressive acrylic adhesive for reliable moisture protection in automotive, HVAC, and specialty vehicle applications. Temperature-resistant from -40°F to 240°F with excellent fastener sealability.
3M™ Industrial Sealing Tape IS1 is a premium waterproof sealing solution engineered for demanding industrial applications. This versatile tape features a multilayer elastomeric film backing combined with high-tack acrylic adhesive that creates a reliable moisture barrier at critical joining areas. The tape is specifically designed to seal around fasteners including rivets, screws, staples, and nails, providing a secure water-tight seal that prevents moisture intrusion in automotive, HVAC, wind energy, and specialty vehicle applications.
The tape offers exceptional performance across a wide temperature range, with application temperatures starting as low as 0°F (-18°C) and operating temperatures from -40°F to 240°F (-40°C to 116°C), making it suitable for year-round production. Its highly conformable design allows the thin, flexible backing to fit seamlessly between panels and into tight spaces without compromising sealing effectiveness. The aggressive acrylic adhesive forms strong bonds on diverse substrates including anodized aluminum, galvanized metal, fiberglass, plywood, painted surfaces, plastics, and polystyrene.
This industrial-grade sealing tape provides an efficient alternative to slow-curing liquid sealants, accelerating production timelines while maintaining superior performance. With over 700% elongation at break and tensile strength of 22 lb/in, the tape maintains integrity even under stress. The product comes with a tan polycoated kraft liner for precise placement and is supplied as 1 roll per case with dimensions of 60 inches wide by 36 yards long, meeting ASTM E2178 specifications for air leakage performance.
Key Features
- Reliable water protection with waterproof membrane and acrylic adhesive
- Extreme temperature resistance from -40°F to 240°F operating range
- Fastener sealability around rivets, screws, staples, and nails
- Aggressive adhesive bonding on multiple surface types
- Highly conformable thin flexible backing for tight spaces
- Diverse industry applications in automotive and HVAC systems
- Faster production than slow-curing liquid sealants
- User-friendly with tan polycoated kraft liner for precise placement
- Available in multiple widths for varied specifications
- Over 700% elongation at break for flexibility and durability
Technical Specifications
| Specification |
Value |
| Product Type | Industrial Sealing Tape |
| Brand | 3M |
| Model Number | IS1 |
| Overall Width | 60 inches (1,524 mm) |
| Overall Length | 36 yards (32.918 m) |
| Total Tape Thickness | 10 mil (0.25 mm) without liner |
| Backing Material | Multilayer Elastomeric Film |
| Backing Thickness | 5 mil (0.13 mm) |
| Adhesive Type | Acrylic |
| Adhesive Thickness | 5 mil (0.13 mm) |
| Liner Material | Polycoated Kraft |
| Liner Color | Tan |
| Liner Thickness | 6 mil (0.16 mm) |
| Product Color | White |
| Number of Adhesive Sides | Single-sided |
| Application Temperature Range | 0°F to 66°F (-18°C to 66°C) |
| Minimum Operating Temperature | -40°F (-40°C) |
| Maximum Operating Temperature | 240°F (116°C) |
| Adhesion to Steel | 57 N/100mm (52 oz/in) |
| Tensile Strength | 22 lb/in (385 N/100mm) |
| Elongation at Break | >700% |
| Permeability | Non-permeable |
| UV Resistant | Yes |
| Flame Resistant | No |
| Flame Retardant | No |
| Indoor/Outdoor | Both |
| Application Method | Pressure-sensitive Adhesive |
| Shelf Life | 24 months |
| Case Quantity | 1 roll per case |
| Core Size | 3 inches (76.2 mm) |
| Specifications Met | ASTM E2178 |
| 3M Product Number | IS1 |
| 3M ID | 7100377266 |
| UPC Code | 00068060762702 |
| Applications | Appliance, Automotive, Electronics, General Industrial, Metalworking, Military & Government, Specialty Vehicles, Transportation |
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