3M(TM) Polyethylene Tape 483 Blue, 3 in x 36 yd 5.3 mil, 12 per case Bulk 3M(TM) Polyethylene Tape 483 Blue, 5.3 mil (0.13 mm) polyethylene backing with rubber adhesive, low sulfur and halogen content, conformable, good solvent resistant properties, remains flexible to -20 degrees 3M(TM) Polyethylene Tape 483, used in general sealing of containers, electroplating and P.C. board masking, silicone chip holding, decorative, safety marking and color coding