Specification Brand : RTM Industries BulletPoint1 : FORMULA : RTM audio cassettes are based on BASF's legendary Studio Master 900 formula – This formula guarantees studio-quality music recording - Professional analog sound, at home BulletPoint2 : LEGENDARY MANUFACTURER : With over 40 years' experience in the production of high-end audio tapes, RTM ‘s production method, equipment and material used to bring you a professional-quality cassette BulletPoint3 : HIGH PERFORMANCE : The reinforced shell of the high-quality cassette offers exceptional mechanical stability which results in superior music quality BulletPoint4 : LONG LIFE : Thicker substrate ensures stable linear speed and minimal print through, even when not in use for extended periods - Audio cassettes are made from durable, solid materials BulletPoint5 : EUROPEAN MANUFACTURING : All cassettes are manufactured in our Normandy factory and subjected to rigorous quality control - RTM C60 & C90 cassettes have the highest quality available on the market ExternallyAssignedProductIdentifier1 : 3770019284063 ExternallyAssignedProductIdentifier2 : 03770019284063 ItemName : RTM C90 | Type 1 90 Minute Blank Music Cassettes | Ideal for Audio Recording | Studio Quality | Pack of 3 Cassettes ItemPackageDimensions_Height : 11.303 centimeters ItemPackageDimensions_Length : 5.4102 centimeters ItemPackageDimensions_Width : 7.2898 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : blank-dat-tapes Manufacturer : RTM Industries ModelNumber : 3-Pack NumberOfItems : 1 PackageLevel : unit PartNumber : 3-Pack ProductDescription : C90 – Ferric Oxide tape (Type I) Clear, reinforced bridge, 5-screw, tabs-in cassette Tape width: 3,81m(+0.00/-0.05mm) Tape length: 131m Recording time: 90min max Base film: Polyester Base film thickness: 8 µm (+/-0.5 µm) Coating thickness: 5 µm (+/-0.5 µm) Total thickness: 13 µm Coercivity: 370 Oe Saturation retentivity: 1480 G Oxide: Fe2O4 ProductSiteLaunchDate : 2023-03-21T13:18:47.446Z RecordingCapacity : 135 minutes SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 3 UnspscCode : 43202000 WarrantyDescription : 2 Year Limited Warranty