3M™ Circuit Plating Tape 1280

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3M™ 1280 has a red color, 3.6 mil (0.091mm) total thickness and is a polyester film tape with silicone and rubber blend adhesive. This tape is used for printed circuit board maskin g during electroplating. It is a low stretch polyester film for machine as well as hand application. Elongation (break or yield) is 125%. Backing thickness is 0.9mil (0.02mm). The polyester backing reduces stretch and recovery of tape and associated uneven “stop-off” line. 3/76.2mm core size. A thick adhesive coating reduces undercutting because adhesive helps block out solutions between fingers. Mask many printed wiring boards during solder stripping and precious metal plating of fingers. This tape can be used for splicing silicone treated papers. This tape generally performs better when no ovens are used to heat tape and boards. Withstands temperatures from 40° to 170°F (4° to 77°C). Show more