"PHYSICAL PROPERTIES-STATIC ELEC. DISSIPATION OCCURS NATURALLY IN CHROMIUM DIOXIDE,COLOR/BLUE TONE JET BLACK; MAGNETIC PROPERTIES-CHROMIUM DIOXIDE,INTRINSIC COERCITY/500 OERSTEDS,HEAD LI E/4000 HRS,RETENTIVITY/1600 GAUSS; PERFORMANCE-DROPOUTS/20 PER MINUTE MAX AVERAGE,STOP MOTION/EXCEEDING ONE HR,TAPE LIFE/EXCEEDING 2000 HRS,AUDIO OUTPUT UNIFORMITY/PGRM 1 DECIBEL,STORAGE SIGNAL RETENTION/GREATER THAN 10 YEARS"