"309" 35mm perf white splicing tape is a 2.0 mil (50,8 ,µm) white, translucent tape designed for editing and splicing of magnetic film (not motion picture film) in the motion picture industry.
The tape's extra thickness adds stiffness for ease of editing. The tape is easy to apply and it's instant "wet-grab" characteristic assure quick, secure splices. Splice bonds improve with age.
Dimensions: 35 mm x 20.1m
Product Composition No. 309
Base film: Polyester
Adhesive: High performance synthetic
Base film caliper: 2.0 mil (50,8 µm) nominal
Adhesive caliper: 1.4 mil (35,5 µm) nominal
Overall caliper: 3.4 mil (86,3 µm) nominal
Plate adhesion: 12 oz./in. (13,2 g/mm) 12 oz./in. (13,2 g/mm)
Creep properties: No splice failure (5 psi/50 minutes) at 75°F (24°C) at 75°F (24°C)
Shelf life in roll form 1 year minimum stored 1 year minimum stored at 72°F (22OC)/45% R.H. at 72°F (22°C)/45% R.H.
Roll unwind adhesion: 4 oz./in. (4,4 g/mm) maximum 4 oz./in. (4,4 g/mm) maximum
Application Performance Editing: Instant wet grab
Environmental performance: Splice bonds remain intact after storage under the after storage under the following conditions:
1. Dry heat: 160°F (71 °C)
2. Cold storage: -10°F (-23°C)
3. Humid storage: 150°F/80% R.H. (66°C/80% R.H.)
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