3M 5491 uses an extruded polytetrafluoroethylene (PTFE) film backing.
This tape offers an extremely low coefficient of friction which, in combination with a pressure-sensitive silicone adhesive, creates a smooth, non-stick surface over a variety of substrates to assist in the movement of materials in many types of lay-flat applications
|Adhesion to Steel:||35 oz./in. width (38 N/100 mm)||D-3330|
|Tensile Strength at Break:||42 lbs./in. width (727 N/100 mm)||D-3759|
|Elongation at Break:||260%||D-3759|
|Backing Thickness:||5.0 mils (0.13 mm)||D-3652|
|Total Tape Thickness:||6.7 mils (0.17 mm)||D-3652|
|Temperature Use Range:||-65° to 500°F (-54° to 260°C)|
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