• Description for 3M 5491

    Tape has a film backing with a silicone adhesive.

    *See Terms of Use Below

    Application Type Bond, Mask, Sealing
    1 Part or 2 Part 1 Part
    Material Form Tape
    Substrate Steel
    Industry Industrial: Machinery
    Manufacturer 3M
    Chemistry Extruded PTFE (polytetrafluoroethylene), Silicone
    Cure Method Pressure Sensitive
    Color Gray
    Chemical Resistance Excellent
    High Temperature Resistance (°C) 260
    Low Temperature Resistance (°C) -54
    Other Resistance organic resistance
  • Technical Data

    Overview
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    Specifications
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  • Best Practices

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Tensile Strength Test Methods
Tensile Strength Test Method
42 (lbs./in.) at Break, ASTM D-3759, width
General Bond Strength Test Methods
General Bond Strength Substrate Test Method
35 (oz./in.) Steel ASTM D-3330, width
Elongation Test Methods
Elongation Test Method
260 % ASTM D-3759 (at Break)