90 min audio cassette based on legendary SM900 formula
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Width: 3,81mm
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Length: 131m
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Recording time: 90min max
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Clear 5-screws tabs-in cassette, with black bridge
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Base film: Polyester
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Base film thickness: 8 µm
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Coating thickness: 5 µm
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Total thickness: 13 µm
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Coercivity: 370 Oe
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Saturation retentivity: 1480 G
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Oxide: Fe2O3
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Packaging: Sealing per unit, carton boxes per 10pcs
Audio cassette tapes carry warranty of 2 years if treated properly. No returns of used product.