3M Thermally Conductive Epoxy Adhesive TC-2707 Datasheet 3M Thermally Conductive Epoxy Adhesive TC-2707

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  • Description for 3M Thermally Conductive Epoxy Adhesive TC-2707

    It is a thermally conductive 2-part epoxy using aluminum metal filler for good thermal conductivity with high adhesion, Low viscosity for potting applications.

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    Application Type Bond, Potting applications
    1 Part or 2 Part 2-Part
    Material Form Liquid
    Industry HEV battery, LED Assembly, heat sinks, PCB , EV battery
    Manufacturer 3M
    Chemistry Epoxy
    Cure Method 2-Part cure
    Cure Temperature (°C) 23, 50, 70, 90, 120
    Gap Fill (in) Good
    Cure Time (min) 1,440, 270, 90, 30, 10
    Viscosity (cPs) 60,000, Low
    Color Gray
    High Temperature Resistance (°C) Thermal Resistance
    Volume Resistivity (O) 1.6e11(ohm-cm)
  • Technical Data for 3M Thermally Conductive Epoxy Adhesive TC-2707

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 2-Part
    • Material Form
      • Liquid
    • Industry
      • LED (Light-Emitting Diodes) - LED Assembly
      • Electronics - HEV battery, EV battery
      • Heat sink - heat sinks
      • Printed Circuit Board (PCB) - PCB
      • Packaging - IC package
      • Other - Battery cell
    • Chemistry
    • Application Method
      • Other - EPX applicator
    • Cure Method
      • 2-Part Cure
    • Color
      • Gray
    Specifications
    Cure Specs
    Cure Temperature (°C) 23, 50, 70, 90, 120
    Gap Fill (in) Good
    Cure Time (min) 1,440, 270, 90, 30, 10
    Viscosity (cPs) 60,000, Low Test Method
    Work / Pot Time (min) 60 Test Method
    Mix Ratio 2:1 (by volume), 2:0:0.96 (by weight)
    Bond Strength
    General Bond Strength (psi) High
    Peel Strength (piw) >7, >7, >7 Test Method
    Shear Strength (psi) >2,701, >2,701, >2,701 Test Method
    Material Resistance
    High Temperature Resistance (°C) Thermal Resistance
    Conductivity
    Filler Aluminum metal Test Method
    Dielectric Strength (V/mil) Electrically insulating
    Thermal Conductivity (W/m°K) 0.72, Thermally Conductive
    Volume Resistivity (O) 1.6e11(ohm-cm)
    Hardness
    Shore D Hardness 80 Test Method
    Other Properties
    Glass Transition Temp (Tg) (°C) 60, 66, 66 Test Method
    Outgassing low, <1000 ug/g (GC/MS, 85 C/3 hours), <5 ug/g (GC/MS, 85C/3 hours, <30 ug/g (hexane extraction) Test Method
    Coefficient of Thermal Expansion (CTE) 77e-6 (/°C), 160e-6 (/°C) Test Method
    Business Information
    Shelf Life Details The shelf life of 3M™ Thermally Conductive Epoxy Adhesive TC-2707 is 12 months from the date of manufacture when stored in original cartons at 21C (70F) and 50% relative humidity.
    Shelf Life Temperature (°F) 70
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 12
  • Best Practices for 3M Thermally Conductive Epoxy Adhesive TC-2707

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Viscosity Test Methods
Viscosity Test Method
60,000 cPs 40mm, 2°cone at 10 1/sec., mixed
Low
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
60 min Worklife 23°C
Peel Strength Test Methods
Peel Strength Type Cure Time Cure Temperature Test Method
>7 piw T-Peel Strength 1,440 min 23°C ASTM D-1876
>7 piw T-Peel Strength 30 min 90°C ASTM D-1876
>7 piw T-Peel Strength 10 min 120°C ASTM D-1876
Shear Strength Test Methods
Shear Strength Type Cure Time Cure Temperature Test Method
>2,701 psi Overlap shear Strength 1,440 min 23°C ASTM D-1002
>2,701 psi Overlap shear Strength 30 min 90°C ASTM D-1002
>2,701 psi Overlap shear Strength 10 min 120°C ASTM D-1002
Filler Test Methods
Filler Concentration Test Method
Aluminum metal 50% by weight
Shore D Hardness Test Methods
Shore D Hardness Shore Hardness Test Method
80 ASTM D2240
Coefficient of Thermal Expansion (CTE) Test Methods
Coefficient of Thermal Expansion (CTE) CTE Test Method
77e-6 (/°C) Below Tg
160e-6 (/°C) Above Tg
Glass Transition Temp (Tg) Test Methods
Glass Transition Temp (Tg) Glass Transition Temperature (Tg) Test Method
60°C (ASTM E-1356), 30 minutes
66°C (ASTM E-1356), 10 minutes
66°C (ASTM E-1356), 24 hours
Outgassing Test Methods
Outgassing Test Method
low
<1000 ug/g (GC/MS, 85 C/3 hours) ASTM 5116
<5 ug/g (GC/MS, 85C/3 hours Siloxane Outgassing, ASTM 5516
<30 ug/g (hexane extraction) Extractable Chloride, (hexane extraction), ASTM D7994