• Description for 3M 8403

    A silicone adhesive and polyester release liner for composite bonding and splicing of many silicone coated papers and films.

    *See Terms of Use Below

    Application Type Bond, Masking
    1 Part or 2 Part 1 Part
    Material Form Polyester Tape
    Substrate Metal, Silicone coated papers, Steel
    Industry Splicing of silicone coated papers, Splicing of silicone coated films
    Manufacturer 3M
    Chemistry Silicone
    Cure Method Pressure Sensitive
    Color Translucent green, Translucent green
    High Temperature Resistance (°C) 177
  • Technical Data for 3M 8403

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Tape - Polyester Tape
    • Substrate
    • Industry
      • Industrial
      • Splicing - Splicing of silicone coated papers, Splicing of silicone coated films
      • Other - Masking edges overlap seams in metal bonding process where the excess epoxy (“flash”) flows onto the tape. Clean-up is complete when the tape is removed, Protective overall mask on panels to mild caustic or acid bath etching. Helps prevent scratches during handling and provides desired masking during metal bonding and fabrication, Holding of parts or vacuum bags during bonding process, Mask for metal in acid or caustic chemical milling baths, Masking parts in anodizing processes., Paint masking of materials subjected to high temperatures, Suitable for cutting into desired shapes for use in masking operations
    • Chemistry
    • Cure Method
      • Pressure Sensitive (min) - Pressure Sensitive
    • Color
      • Translucent - Translucent green
      • Green - Translucent green
    Specifications
    Bond Strength
    General Bond Strength (psi) 27 (oz./in.) Test Method
    Tensile Strength (psi) 46 (lbs./in.) Test Method
    Material Resistance
    High Temperature Resistance (°C) 177
    Hardness
    Elongation (%) 150 Test Method
    Flexibility Flexible
    Business Information
    Shelf Life Details Storage: Store under normal conditions of 70°F (21°C) and 50% R.H. in the original carton.
    Shelf Life Temperature (°F) 70
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 24
  • Best Practices for 3M 8403

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  • Comparable Materials for 3M 8403

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Tensile Strength Test Methods
Tensile Strength Test Method
46 (lbs./in.) ASTM D-3759, at Break, width
General Bond Strength Test Methods
General Bond Strength Substrate Test Method
27 (oz./in.) Steel ASTM D-3330, width
Elongation Test Methods
Elongation Test Method
150 % D-3759 (at Break)