• Description for 3M 855

    A strong nylon backing and a high temperature rubber adhesive. Used in many composite bagging operations or assist in removing flashing after composite bonding, where the use of a non-silicone tape is preferred.

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    Application Type Bond
    1 Part or 2 Part 1 Part
    Material Form Tape
    Substrate composite, Metal, Nylon, Nylon, Steel
    Manufacturer 3M
    Chemistry Rubber
    Cure Method Pressure Sensitive
    Color Cream, Translucent cream
  • Technical Data for 3M 855

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Tape
    • Substrate
    • Industry
      • Other - Painting, Many composite bagging operations, Removing flashing after composite bonding, Clean removal during masking
    • Chemistry
      • Other - Rubber
    • Cure Method
      • Pressure Sensitive (min) - Pressure Sensitive
    • Color
      • Translucent - Translucent cream
      • Off-White - Cream
    Specifications
    Cure Specs
    Application Temperature (°F) 284 to 399
    Bond Strength
    General Bond Strength (psi) 55 (oz./in.), 57 (oz./in.), 46 oz./in. Test Method
    Tensile Strength (psi) 31 (lbs./in.), 35 lbs./in., 32 (lbs./in.) Test Method
    Hardness
    Elongation (%) 470, High, 640, 460 Test Method
    Business Information
    Shelf Life Details Store under normal conditions of 60° to 80°F (16° to 27°C) and 40 to 60% relative humidity in the original packaging material.
    Shelf Life Temperature (°F) 61 to 81
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 18
  • Best Practices for 3M 855

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General Bond Strength Test Methods
General Bond Strength Substrate Test Method
55 (oz./in.) Steel ASTM D-3330, width
57 (oz./in.) Steel ASTM D-3330, width
46 oz./in. Steel ASTM D-3330, width
Tensile Strength Test Methods
Tensile Strength Test Method
31 (lbs./in.) ASTM D-3759, width
35 lbs./in. ASTM D-3759(at Break)
32 (lbs./in.) At Break, width (560 N/100 mm), ASTM D-3759
Elongation Test Methods
Elongation Test Method
470 % ASTM D-3759
High
640 % ASTM D-3759 (at Break)
460 % at Break, ASTM D-3759