Professional-grade waterproof sealing tape with aggressive acrylic adhesive for industrial fastener sealing and moisture barrier protection across automotive, HVAC, and specialty vehicle applications.
3M™ Industrial Sealing Tape IS1 is an advanced waterproof sealing solution engineered for demanding industrial applications. This conformable tape features a multilayer elastomeric film backing combined with aggressive acrylic adhesive technology, creating a reliable moisture barrier at critical joining areas. The tape is specifically designed to seal around rivets, screws, staples, and nails while providing superior protection in automotive, specialty vehicle, HVAC, wind energy, and electronic applications.
The tape excels in water leak prevention across diverse industrial environments, including sealing around RV windows, automotive frames, interior joints in HVAC systems, electrical enclosures, and more. Its thin, flexible backing allows for precise placement in tight spaces between panels, while the included polycoated kraft liner ensures accurate product positioning. The aggressive adhesive bonds reliably to multiple substrates including anodized aluminum, galvanized metal, fiberglass, plywood, painted surfaces, plastics, and wood, offering high-performance results even during cold-weather months.
With an application temperature range as low as 0°F (-18°C) and operating temperatures from -40°F to 240°F (-40°C to 116°C), this industrial sealing tape provides year-round production capability. Each case contains 12 rolls of 4-inch wide tape, 36 yards per roll, offering an easy-to-use and effective alternative to slow-curing liquid sealants while maintaining robust adhesion and conformability to complex shapes.
Key Features
- Waterproof membrane with acrylic adhesive for reliable moisture protection at critical joining areas
- Extreme temperature performance from -40°F to 240°F with application capability at 0°F
- Securely seals around rivets, screws, staples, and nails to prevent moisture intrusion
- Aggressive adhesion to anodized aluminum, galvanized metal, fiberglass, plywood, and painted surfaces
- Thin, flexible multilayer elastomeric film backing fits in tight spaces and conforms to complex shapes
- Easy-to-use alternative to slow-curing liquid sealants with faster production speeds
- Includes polycoated kraft liner for precise product placement and converted parts assembly
- Versatile for automotive, HVAC, wind energy, RV, and electronic applications
- High elongation at break over 700% for flexibility and durability
- 24-month shelf life with UV resistance and excellent conformability
Technical Specifications
| Specification |
Value |
| Product Type | Industrial Sealing Tape |
| Brand | 3M™ |
| Model Number | IS1 |
| Product Color | White |
| Overall Width (Imperial) | 4 inches |
| Overall Width (Metric) | 101.6 mm |
| Overall Length (Imperial) | 36 yards |
| Overall Length (Metric) | 32.918 meters |
| Case Quantity | 12 rolls per case |
| Backing Material | Multilayer Elastomeric Film |
| Backing Thickness (Imperial) | 5 mil |
| Backing Thickness (Metric) | 0.13 mm |
| Total Tape Thickness without Liner (Imperial) | 10 mil |
| Total Tape Thickness without Liner (Metric) | 0.25 mm |
| Adhesive Type | Acrylic |
| Adhesion to Steel | 57 N/100mm (52 oz/in) |
| Tensile Strength (Imperial) | 22 lb/in |
| Tensile Strength (Metric) | 385 N/100mm |
| Elongation at Break | >700% |
| Application Temperature From (Celsius) | -18°C |
| Application Temperature From (Fahrenheit) | 0°F |
| Application Temperature To (Celsius) | 66°C |
| Application Temperature To (Fahrenheit) | 150°F |
| Minimum Operating Temperature (Celsius) | -40°C |
| Minimum Operating Temperature (Fahrenheit) | -40°F |
| Maximum Operating Temperature (Celsius) | 116°C |
| Maximum Operating Temperature (Fahrenheit) | 240°F |
| Liner Material | Polycoated Kraft |
| Liner Color | Tan |
| Primary Liner Thickness (Imperial) | 6 mil |
| Primary Liner Thickness (Metric) | 0.16 mm |
| Core Size (Imperial) | 3 inches |
| Core Size (Metric) | 76.2 mm |
| Number of Adhesive Sides | Single-sided |
| Application Method | Pressure-sensitive Adhesive |
| Permeability | Non-permeable |
| Indoor/Outdoor | Both |
| UV Resistant | Yes |
| Flame Resistant | No |
| Flame Retardant | No |
| Shelf Life | 24 months |
| Specifications Met | ASTM E2178 |
| 3M Product Number | IS1 |
| 3M ID | 7100376842 |
| UPC | 00068060762696 |
| Applications | Appliance, Automotive, Electronics, General Industrial, Metalworking, Military & Government, Specialty Vehicles, Transportation |
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