3M Electrical Tape 44 Data Sheet January 2011 Description 3M Electrical Tape 44 is a low-halogen, combination polyester film/polyester web film coated with a rubber thermosetting pressure-sensitive adhesive. This UL recognized conformable tape is puncture resistant with excellent electrical properties. Agency Approvals Meets requirements of: & Self Certifications UL File No. E17385, Guide OANZ2 For temperatures not exceeding 130C Applications Used for stick-wound coils/transformers and in bobbin-wound coils for banding, anchoring, and insulating, and for protecting start wires, leads, terminal strips, insulation paper, end turns and connections in motors and transformers. Not for specifications. Values are typical, not to be considered minimum or maximum. Typical Properties Properties measured at room temperature 73F (23C) unless otherwise stated. Physical Properties (Test Method) Typical Value (ASTM D1000 unless noted) US units (metric) Color Caramel Translucent Adhesive Rubber Thermosetting Backing Thickness 5.5 mils (0,139 mm) Breaking Strength 40 lbs/in (70 N/10 mm) Elongation (% at break) 50% Puncture Resistance (per Federal Spec L-T-001512) 12 lbs (5.4 kg) Adhesion to Steel 65 oz/in (7.1 N/10 mm) Chlorine <0.09% Halogen Content Bromine <0.004% Electrical Property (Test Method) Typical Value (ASTM D1000 unless noted) US units (metric) Dielectric Breakdown 5500 V 6 Insulation Resistance >1 x 10 megohms I = (> 600 volts) CTI Material Group Electrolytic Corrosion Factor (3M TM) 1.0 1 of 2 3 3M Electrical Tape 44 Specifications 3M Electrical Tape 44 is a low-halogen, polyester web-reinforced film with thermosetting rubber, pressure-sensitive adhesive. The tape shall be coated on one side with pressure-sensitive adhesive, which shall not require heat, moisture or other preparation prior to or subsequent to application. The adhesive coating shall be smooth and uniform and be free of lumps and bare spots. There shall be no separator between adjacent layers of the roll. The tape shall perform at a temperature of 262 F (130 C) without loss of physical or electrical properties For maximum solvent resistance and holding properties, the tape should be thermoset at one of the following cycles: 1 hour 300 F (150 C) 2 hours 275 F (135 C) 3 hours 250 F (120 C) Shelf Life & Storage This product has a 5-year shelf life from date of manufacture when stored in a humidity controlled storage (10C/50F to 27C/80F and <75% relative humidity). Availability Please contact your local distributor available from 3M.com/electrical Where to Buy or call 1.800.676.8381. Important Notice All statements, technical information, and recommendations related to 3Ms products are based on information believed to be reliable, but the accuracy or completeness is not guaranteed. Before using this product, you must evaluate it and determine if it is suitable for your intended application. You assume all risks and liability associated with such use. Any statements related to the product, which are not contained in 3Ms current publications, or any contrary statements contained on your purchase order, shall have no force or effect unless expressly agreed upon, in writing, by an authorized officer of 3M. This product will be free from defects in material and manufacture at the time of purchase. 3M MAKES NO OTHER Warranty Limited WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR Remedy Limited FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the warranty period stated above, your Liability exclusive remedy shall be, at 3Ms option, to replace or repair the 3M product or refund the purchase price of the 3M product. Except where prohibited by law, 3M will not be liable for any indirect, special, incidental or consequential loss or damage arising from this 3M product, regardless of the legal theory asserted. 3M is a trademark of 3M Company. Electrical Markets Division 6801 River Place Blvd. Austin, TX 78726-9000 Please recycle 800.676.8381 3M 2011 All rights reserved FAX: 800.828.9329 78-8124-4753-6 D www.3M.com/electrical 2 of 2