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3M™ Glass Cloth Electrical Tape 69 is a premium-grade, high-performance woven glass cloth tape engineered for superior electrical insulation and mechanical strength. Coated with a high-temperature, pressure-sensitive thermosetting silicone adhesive on one side, this tape offers exceptional flame resistance, edge-tear resistance, and an ability to perform reliably under high thermal loads.
Designed to perform reliably in extreme environments, this 7.0-mil thick tape is perfect for insulating motor leads, protecting high-voltage components, and providing high-heat crossover insulation in demanding industrial applications. It meets the rigorous quality and safety standards of military specification
MIL-I-19166C.
Military & Agency Compliance: Fully meets the rigorous requirements of Military Specification No. MIL-I-19166C. It is UL Recognized for operational temperatures up to 180°C or 200°C (392°F) and CSA Certified up to 180°C (356°F).
Key Features & Benefits
- Thermosetting Silicone Adhesive: Formulated to offer non-corrosive, solvent-resistant protection with increased bonding stability under high thermal loads.
- High Mechanical Performance: Woven glass cloth backing provides robust edge-tear resistance, high tensile strength, and minimizes shrinking or rotting.
- Premium Insulation: Engineered for 600V dry-location applications, making it ideal for motors, transformers, and coil wrapping.
- Printable Surface: Backing allows for easy marking and identification during complex wiring assemblies.
Technical Specifications
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Product Series
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3M™ 69
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Color
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White
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Width
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3/16 inch (4.76 mm)
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Length
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36 yards (108 feet)
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Total Thickness
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7.0 mil (0.178 mm)
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Backing Material
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Woven Glass Cloth
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Adhesive Material
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Thermosetting Silicone
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Adhesion to Steel
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40 oz/in width
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Breaking Strength
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180 lbs/in width
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Dielectric Strength
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3000 Volts
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Elongation at Break
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5%
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Maximum Operating Temp
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200°C / 392°F (Class N)
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Specifications Met
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MIL-I-19166C, UL Recognized, CSA Certified, RoHS Compliant
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