3M 9725 Datasheet 3M 9725

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  • Description for 3M 9725

    An isotropically electrical conductive tape. It consists of conductive acrylic pressure sensitive adhesive loaded with conductive nonwoven.

    *See Terms of Use Below

    Application Type Bond, EMI shield
    1 Part or 2 Part 1-Part
    Material Form Transfer tape
    Substrate Fabric, Foam, Metal, Stainless Steel
    Industry Electronic and electrical devices, EMI gasket attachment to electrical devices, Conductive fabric/foam core EMI gaskets to electronic cabinetry., Foil laminate shields to provide a customized shielding solution, EMI gasket attachment attachment to electronic devices
    Manufacturer 3M
    Chemistry Acrylic
    Cure Method Pressure Sensitive, Heat
    High Temperature Resistance (°C) 70, 121
    Key Specifications Complies with the requirements of EU Directive 2002/95/EC; Complies with the requirements of EU Directive 2005/618/EC

  • Technical Data for 3M 9725

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    Overview
    • Application Type
      • EMI Shielding - EMI shield
      • Adhesive - Bond
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Tape - Transfer tape
    • Substrate
    • Industry
      • Electronics - EMI gasket attachment to electrical devices, Electronic and electrical devices, Foil laminate shields to provide a customized shielding solution, Conductive fabric/foam core EMI gaskets to electronic cabinetry., EMI gasket attachment attachment to electronic devices
    • Chemistry
    • Application Method
      • Contact
    • Cure Method
      • Pressure Sensitive (min) - Pressure Sensitive
      • Heat
    • Key Specifications
      • RoHS (Restriction of Hazardous Substances) - Complies with the requirements of EU Directive 2002/95/EC; Complies with the requirements of EU Directive 2005/618/EC
    Specifications
    Bond Strength
    Peel Strength (piw) 46 (Oz/in), 51 (Oz/in), 59 (Oz/in) Test Method
    Material Resistance
    High Temperature Resistance (°C) 70, 121
    Conductivity
    Electrical Conductivity (mhos/cm) Very good, < 0.02?/ inch (2) Test Method
    Business Information
    Shelf Life Details 24 months from date of manufacture when stored in original cartons at 70°C (21°C) and 50% relative humidity.
    Shelf Life Temperature (°F) 158
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 24
    Not Good For
    Don't Use For Uncertain high or low temperature excursions where the electrical performance might be compromised, even if holding power is not affected.

  • Best Practices for 3M 9725

    *See Terms of Use Below

    1. Surface Preparation

      To obtain optimum adhesion, the bonding surfaces must be clean, dry and well unified. Some typical surface cleaning solvents are isopropyl alcohol or heptane.

      Note: Carefully read and follow the manufacturer’s precautions and directions for use when working with solvents.

    2. Application

      Bond strength is dependent upon the amount of adhesive-to-surface contact developed. Firm application pressure helps develop better adhesive contact and improves bond strength as well as electrical conductivity. Pressure must be applied to the bond line after assembly to wet the substrates with 3M™ Electrically Conductive Adhesive Transfer Tape 9725 and to engage the conductive nonwoven with the substrates to make electrical connection. Mechanical pressure (roller, metal bar) or finger pressure at 15 psi (0.10 Mpa) or greater is suggested. Heat may be applied simultaneously to improve wetting and final bond strength as well as electrical conductivity.

      Tape application below 50°F (10°C) is not recommended because the adhesive will be too firm to wet the substrates, resulting in low adhesion and poor electrical conductivity. Once properly applied, low temperature holding power is generally satisfactory.

  • Comparable Materials for 3M 9725

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    Spec Engine® Results

    • 3M
      9703(3M)

      Electrically Conductive Adhesive • Pressure sensitive adhesive • electrically conductive and offers good adhesion to common PCB substrates such as copper, gold, FR-4 epoxy, DuPont™ Kapton™ polyimide and polyester films •

    • 3M
      9713(3M)

      An isotropically conductive pressure sensitive tape. It conducts electricity through the thickness (Z-axis) and in the plane of the adhesive (X, Y planes) and is ideal for EMI/RFI shield and EMI/RFI gasket attachment to metal surfaces.

    • 3M
      9712(3M)

      An isotropically conductive pressure sensitive tape. It conducts electricity through the thickness (Z-axis) and in the plane of the adhesive (X, Y planes) and is ideal for EMI/RFI shield and EMI/RFI gasket attachment to metal surfaces.

    • Compare All
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Peel Strength Test Methods
Peel Strength Type Substrate Test Time Test Temperature Test Method
46 (Oz/in) 180° Peel Strength Stainless steel 20 min 25°C 180 degree peel strength to stainless steel (Modified ASTM D3330 Oz/in (N/100 mm) 180 degree, 2 mil PET as backing)
51 (Oz/in) 180° Peel Strength Stainless steel 1,440 min 25°C 180 degree peel strength to stainless steel (Modified ASTM D3330 Oz/in (N/100 mm) 180 degree, 2 mil PET as backing)
59 (Oz/in) 180° Peel Strength Stainless steel 4,320 min 25°C 180 degree peel strength to stainless steel (Modified ASTM D3330 Oz/in (N/100 mm) 180 degree, 2 mil PET as backing)
Electrical Conductivity Test Methods
Electrical Conductivity Test Method
Very good
< 0.02?/ inch (2) 3M internal test method: Based upon general resistance measurements made with crossed pieces of foil/tape/foil construction using a 1.0 in. _x00D_ x 1.0 in. square piece of 3M ECATT 9725.