Pack of 10 blank tapes

60 min audio cassette based on legendary SM900 formula.

• Width: 3,81mm
• Length: 87.5m
• Recording time: 60min max (2x 30 minutes)
• Clear 5-screws tabs-in cassette, with black bridge
• Base film: Polyester
• Base film thickness: 12 µm
• Coating thickness: 4,7 µm
• Total thickness: 16,7 µm
• Coercivity: 370 Oe
• Saturation retentivity: 1480 G
• Oxide: Fe2O3
• Packaging: overwrapping per unit, carton boxes per 10pcs