3M™ Filament Tape 1139 is a 6.5 mil thick, acrylic adhesive, solvent resistant, electrical tape. This tape is suitable for oil and air filled transfer applications and reinforcements, as well as for holding and separating ground insulation. The tape is 600V rated and withstands a temperature range of 32 to 311 °F (0 to 155 °C).
3M™ Filament Tape 1139 with polyester film/glass filament backing has a pressure sensitive, acrylic adhesive that offers firm adherence. This high break strength tape is designed for applications that require both dielectric strength and mechanical strength. Ideal for bundling motor coils and coil covering. UL Listed and RoHS 2011/65/EU Compliant.
FEATURES
- Solvent-resistant, high temperature filament tape with acrylic adhesive
- Designed for applications needing both the dielectric strength of polyester film and the high mechanical strength of glass fibers
- Low stretch, high tensile and edge-tear resistant
- Excellent for anchoring lead wires to banding coils and end-turn taping
- UL Listed and RoHS 2011/65/EU Compliant
APPLICATION OF 3M™ Filament Tape 1139
3M 1139 tape is especially suited for heavy duty air and oil filled transfer applications, reinforcements, holding and separating ground insulation, bundling motor coils and coil covering.
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- Testing sample quality and verifying product compatibility in our laboratory
- Providing expert advice on suitable equipment and automation processes
- Customizing material formulas to meet special application requirements
- Customizing product sizes, quantities, and packaging according to customer needs
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| Typical Properties | Typical Values |
|---|---|
| Adhesive | Acrylic |
| Backing | Polyester film/Glass filament |
| Backing Thickness | 5.5 mils (0.140 mm) |
| Total Thickness¹ | 6.5 mils (0.165 mm) |
| Color | Clear |
| Temperature Class | 155°C |
| Dielectric Breakdown¹ | 5500V |
| Breaking Strength¹ | 225 lbs/in (394N/10mm) |
| Elongation¹ (% at break) | 6% |
| Adhesion to Steel¹ | 35 oz/in (3.85N/10mm) |
¹ Test Method ASTM D1000
