• Description for 3M 851

    A green polyester film tape with a unique conformable adhesive for printed circuit board masking during electroplating.

    *See Terms of Use Below

    Application Type Bond, Masking
    1 Part or 2 Part 1-Part
    Material Form Tape
    Substrate Metal, Silicone coated paper, Polyester, Steel
    Industry Printed circuit board
    Manufacturer 3M
    Chemistry Rubber, Blended silicone
    Cure Method Pressure Sensitive
    Color Transparent green
  • Technical Data for 3M 851

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Tape
    • Substrate
    • Industry
      • Printed Circuit Board (PCB) - Printed circuit board
    • Chemistry
      • Other - Rubber
      • Silicone - Blended silicone
    • Application Method
      • Dispenser - applied by machine or by hand
    • Cure Method
      • Pressure Sensitive (min) - Pressure Sensitive
    • Color
      • Green - Transparent green
    Specifications
    Bond Strength
    General Bond Strength (psi) 29 (oz./in.) Test Method
    Tensile Strength (psi) 26.8 (lbs./in.) Test Method
    Hardness
    Elongation (%) Low-stretch, 124 Test Method
    Business Information
    Shelf Life Details Storage: Store under normal conditions of 60° to 80°F (16° to 27°C) and 50% R.H. in the original carton.
    Shelf Life Type From date of manufacture.
    Shelf Life (mon) 18
  • Best Practices for 3M 851

    *See Terms of Use Below

    1. Clean-Up

      Solvent clean-up of the board is recommended to facilitate subsequent soldering. Be sure to follow the manufacturer’s precautions and directions for use when using solvents

  • Comparable Materials for 3M 851

    *See Terms of Use Below

    Spec Engine® Results

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General Bond Strength Test Methods
General Bond Strength Substrate Test Method
29 (oz./in.) Steel ASTM D-3330, width
Tensile Strength Test Methods
Tensile Strength Test Method
26.8 (lbs./in.) ASTM D-3759, width
Elongation Test Methods
Elongation Test Method
Low-stretch
124 % D-3759 (at Break)