3M Thermally Conductive Epoxy Adhesive TC-2707

Overview

• Application Type

  • Adhesive - Bond
  • Pottant / Encapsulant - Potting applications

• 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

  • Epoxy

• 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