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3M Aluminum Foil Tape 3340 Silver, 2-1/2" x 150', 4 Mil
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Product Description:
THE 3M FOIL TAPE 3340 IS IDEAL FOR SEALING RIGID FIBERGLASS DUCT BOARDS AND FLEXIBLE AIR DUCT SYSTEMS. OUR TAPE MEETS REQUIREMENTS FOR UL 181 A-P AND UL 181 B-FX LISTINGS AS A MEASURE OF RELIABILITY AND QUALITY STANDARDS. FEATURES: 2.0 MIL ALUMINUM FOIL BACKING IS IDEAL AS A VAPOR SEAL TAPE FOR DUCT CLOSURE LISTED FOR BOTH UL181A-P AND UL181B-FX REPLACES MECHANICAL FASTENERS FOR RIGID DUCT BOARD THERMALLY CONDUCTIVE BACKING HELPS HEATING AND COOLING EFFICIENCY PERMANENT ACRYLIC ADHESIVE COMBINED WITH THE DURABLE 2.0 MIL BACKING PROVIDES LONG SERVICE LIFE |
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