Scotch Magnetic Tape for Instrumentation 480-481 Sandwich

This document provides technical data and performance specifications for 3M "Scotch" brand 480 and 481 magnetic tape used for instrumentation. It details physical properties (thickness, tensile strength, elongation, coating wearability), intrinsic magnetic properties (coercivity, retentivity, remanence, erasing field requirements), and electro-magnetic performance metrics (undistorted output, sensitivity, signal uniformity, and dropout rates). The document also includes extensive test notes defining the standards and methodologies used to measure these properties, as well as standard terms and conditions of sale.