For thermal slitting avoids the formation of the microscopic cracks and irregularities which result, in varying degrees, from any cold slitting process. The result, though not visible to the naked eye, is a significant increase in tape strength. Now, however, even this superior slitting operation has been still further improved by precisely controlled heat application. Precision straightline slitting has been one of the reasons why Audiotape tracks and winds perfectly flat and has no fuzzy edges to impair frequency response. 2 NEW HOT-SLITTING PROCESS GIVES alldiat.ap~ EXTRA STRENGTH 'I Newly perfected thermal-slitting technique provides smoother, cleaner edges, resulting in increased break and tear strength of plastic base Audiotape IN THE manufacture of Audiotape, particular care has always been given to the slitting operation, in which the processed tape is cut into reel-size widths.
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