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3M™ Glass Cloth Electrical Tape 69 with Silicone Adhesive Data Sheet Product Description May 2022 3M™ Glass Cloth Electrical Tape 69 is a white, 7-mil (0.178 mm) thick tape composed of a 5.5-mil (0.140 mm) glass cloth backing coated on one side with a non-corrosive, hightemperature, flame retardant, thermosetting silicone pressure-sensitive adhesive.     Commonly used in UL applications rated up to 600 volts in dry locations as defined in the National Electrical Code. Commonly used in a variety of coil/transformer and motor applications including as an outer wrap for bobbin wound coils, banding arbor wound coils, lead pad hold-down, end turns and lead anchor and connections Adhesive does not require heat, moisture or other manner of preparation to affect application Designed for continuous operation not exceeding 200°C (392°F) per UL listing, 180°C (356°F) per CSA listing Properties Value Imperial (Metric) White Physical Properties Color - Visual Electrical Properties Comparative Tracking Index (CTI)3 Value Imperial (Metric) I Adhesive Thermosetting Silicone Dielectric Breakdown1- Minimum 2000 V Backing Electrolytic Corrosion Factor2 Insulation Resistance1 – Minimum (High Humidity Method) 0.9 Adhesion to Steel1 - Minimum Glass Cloth Value Imperial (Metric) 5.5 mil (0.140 mm) 7.0 +/- 1.0 mils (0.178 +/- 0.025 mm) 30 oz/in (3.3 N/cm) Breaking Strength1 - Minimum 150 lb/in (263 N/cm) Mechanical Properties Backing Thickness - Nominal Total Thickness1 Flame Retardant – UL 510 Notes: 1. 2. 3. 50x106 Ω Pass ASTM D1000 Test Method - properties measured at room temperature 73°F (23°C) unless otherwise stated 3M Test Method ETM-54001 - 0.9 value means tape or backing may promote corrosion UL tested and meets the listed UL840 Material Group when tested to IEC 60112 on both sides of the tape Agency Approvals & Self Certifications     UL Component Recognized: UL510A Standard, Category OANZ2, File No. E17385 CSA Certified: Standard C22.2 No. 66, File No. 093411, Class 9052-30 Qualified Product Listed: QPL-19166 per Governing Spec MIL-I-19166C Self-certified to Commercial Item Description: A-A-59770A (2007), Type IV (GFT)  For Regulatory information including RoHS, REACH, please visit www.3M.com/regs Shelf Life & Storage This product has a 5-year shelf life (from date of manufacture) when stored in humiditycontrolled storage (50°F/10°C to 80°F/27°C and