• Item Name: 8349TFM Thermal Adhesive
• Manufacturer: MG Chemicals
• Technologies: Two-part flame retardant, thermally conductive epoxy adhesive
• Color: Dark grey
• Cure Type: Room temperature (16 h) or oven cure (10–20 min depending on temperature)
• Package Size: 45 mL, 200 mL
• Shelf Life: 3 years
8349TFM Thermal Adhesive is a two-part, flame-retardant, thermally conductive epoxy adhesive. It has a dark grey, thixotropic paste consistency that cures to a strong, rigid polymer offering both thermal conductivity and electrical insulation. The adhesive exhibits high dimensional stability, strong mechanical strength, and resistance to humidity, salt water, mild bases, and hydrocarbons. It bonds effectively to a wide variety of substrates, making it ideal for electronics assembly where heat dissipation and reliability are critical.
Bonding heatsinks to CPUs, LEDs, and other heat-sensitive components.
Thermal management in electronic assemblies requiring both conductivity and insulation.
High-strength adhesive applications in humid, marine, or chemically challenging environments.
Electronics manufacturing where UL 94V-0 flame retardancy and stability are required.
| Property | Unmixed / Mixed (Before Cure) | Cured (After Application) |
|---|---|---|
| Mix Ratio | 1:1 (Volume/Weight) | – |
| Density | 1.6 g/mL (Mixed, A, B) | 1.7 g/mL |
| Working Time | 20 min | – |
| Shelf Life | 3 years | – |
| Color | Dark grey | – |
| Service Temperature Range | – | -65 to 120 °C |
| Maximum Intermittent Temperature | – | 200 °C |
| Glass Transition Temperature (Tg) | – | 80 °C |
| Coefficient of Thermal Expansion | – | 20 ppm/°C (below Tg), 120 ppm/°C (after Tg) |
| Resistivity | – | 6.5 × 10¹² Ω·cm |
| Hardness | – | 92 D |
| Tensile Strength | – | 25 N/mm² |
| Compressive Strength | – | 115 N/mm² |
| Lap Shear Strength | – | 6.7 N/mm² (SS), 4.4 N/mm² (Al), 3.0 N/mm² (ABS), 0.9 N/mm² (PC) |
| Thermal Conductivity @ 25 °C | – | 0.9 W/(m·K) |
| Specific Heat Capacity @ 25 °C | – | 1.4 J/(g·K) |
| Thermal Diffusivity @ 25 °C | – | 0.4 mm²/s |
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