Aerospace Tapes
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Scotch 5491 PTFE Plastic Film Tape
Tape 5491 is a thicker version of 5490.
Type
Description
Colour
Blue-black
Backing
Extruded PTFE (Teflon)
Adhesive
Silicone
Total thickness
0.17 mm (6.5 mils)
Peel adhesion to steel
38 N/100 mm (35 oz./in. width)
Tensile strength
700 N/100 mm (40 lbs./in. width)
Elongation at break
200%
Operational temperature range
-73°C to +204°C (-100°F to +400°F )
Intermittent
260°C (500°F)
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