3M Polyester Tape 8403

3M Polyester Tape 8403 Datasheet
  • Description for 3M Polyester Tape 8403

    It is tape with a silicone adhesive for holding down bagging materials and parts during composite and metal bonding operations. Ideal for splicing applications on surfaces that are difficult to adhere too, such as silicone coated papers and films.

    *See Terms of Use Below

    Application Type Bond, Masking
    Material Form Tape
    Substrate Metal, Silicone coated papers, Steel, Silicone coated films, Composite
    Industry Splicing applications
    Manufacturer 3M
    Chemistry Silicone
    Cure Method Pressure Sensitive
    Color Translucent green, Translucent green
    Chemical Resistance Chemical resistant adhesive
    High Temperature Resistance (°C) 350, Short Term, Heat Resistance
    Low Temperature Resistance (°C)
  • Technical Data for 3M Polyester Tape 8403

    • Application Type
    • Material Form
      • Tape
    • Substrate
    • Industry
      • Industrial
      • Splicing - Splicing applications
      • Packaging - Shipping
      • Other - Protective overall mask on panels to mild caustic or acid bath etching. Helps prevent scratches during handling and provides desired masking during bonding and fabrication, Holding of parts or vacuum bags during composite 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, Holding down bagging materials, Flash breaker in metal bonding processes where the excess epoxy (flash) flows on the tape
    • Chemistry
    • Cure Method
      • Pressure Sensitive (min) - Pressure Sensitive
    • Color
      • Translucent - Translucent green
      • Green - Translucent green
    Bond Strength
    General Bond Strength (psi) 27 (oz./in.) Test Method
    Tensile Strength (psi) 41 (lbs./in.) Test Method
    Tape Properties
    Single Sided Single Sided
    Total Thickness (mil) 2
    Material Resistance
    Chemical Resistance Chemical resistant adhesive
    Environmental Resistance Durability in difficult environments
    High Temperature Resistance (°C) 350, Short Term, Heat Resistance Test Method
    Low Temperature Resistance (°C) Test Method
    Elongation (%) 140 Test Method
    Flexibility Retains Flexible
    Business Information
    Shelf Life Details Store under normal conditions of 60° to 80°F (16° to 27°C) and 40 to 60% R.H. in the original packaging, To obtain best performance, use this product within 24 months from date of manufacture
    Shelf Life Temperature (°F) 70
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 24
  • Best Practices for 3M Polyester Tape 8403

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Tensile Strength Test Methods
Tensile Strength Test Method
41 (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
High Temperature Resistance Test Methods
High Temperature Resistance Test Method
350°C Removes cleanly and remains flexible after 3 hours, in autoclave.
Short Term
Heat Resistance
Low Temperature Resistance Test Methods
Low Temperature Resistance Test Method
Elongation Test Methods
Elongation Test Method
140 % D-3759 (at Break)