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Tear tape, also known as tearstrip or tear-off ribbon, is a narrow adhesive tape used to open packaging. The backing is often a narrow oriented polymer such as polypropylene but other polymers, yarns, and filaments are also used. Many tear tapes use a pressure sensitive adhesive but others have a heat-activated adhesive system.
Spray foam insulation extruding from a duct. Spray foam (expanding foam in the UK) is a chemical product created by a chemical reaction of two component parts, commonly referred to as side A and side B. [1] Side A contains very reactive chemicals known as isocyanate.
The company's products also included amplifiers, preamplifiers, a control track generator to synchronize tape recorders, [3] and recording lathes. [4] References
Sanyo Micro-Pack 35 tape recorder showing cassette being inserted. The Sanyo Micro Pack 35 was a portable magnetic audio tape recording device, developed by Sanyo in 1964, that employed a special tape cartridge format with tape reels atop each other. [1] The unit was rebadged and sold as the Channel Master 6546 [2] and the Westinghouse H29R1. [3]
DASH recorders (as well as any other type of digital recorder using magnetic tape) require the use of metal-particle formulation magnetic tape. Some examples of metal particle tape compatible with DASH machines are 3M Scotch 275, Ampex / Quantegy 467, EMTEC 931, and Sony's own tape formulation.
For all types of tape, MOL reaches a maximum in the 125–800 Hz area, while dropping off below 125 Hz and above 800 Hz. [13] The maximum output of Type I tape at 40 Hz is 3–5 dB lower than MOL 400, [14] while in Type IV tapes it is 6–7 dB lower. [15]
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