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Description for 3M TC-2810
A thermally conductive 2-part epoxy using boron nitride (BN) filler for good thermal conductivity with high adhesion.<br/>Application Type Bond, Coating 1 Part or 2 Part 2-Part Material Form Liquid Industry Housing and Assembly, Housing and Assembly Manufacturer 3M Chemistry Epoxy Cure Method 2-Part Cure Cure Temperature (°C) 23, 50, 70, 90, 120 Gap Fill (in) Good Gap Filling Cure Time (min) 1,440, 270, 90, 30, 10 Viscosity (cPs) 40,000 to 80,000 Color Cream Volume Resistivity (O) 7.58e12 (ohm-cm) Density (g/cm³) 10.63 (lb/gal) -
Technical Data for 3M TC-2810
Overview
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1 Part or 2 Part
- 2-Part
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Material Form
- Liquid
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Substrate
- Other - rigid parts
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Industry
- Housing and Assembly
- Housing and Assembly
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Chemistry
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Cure Method
- 2-Part Cure
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Color
- Off-White - Cream
Specifications
Cure Specs
Cure Temperature (°C) 23, 50, 70, 90, 120 Gap Fill (in) Good Gap Filling Cure Time (min) 1,440, 270, 90, 30, 10 Viscosity (cPs) 40,000 to 80,000 Test Method Work / Pot Time (min) 60 Test Method Mix Ratio 2:1 (by volume) Bond Strength
General Bond Strength (psi) High Peel Strength (piw) 7, 7, 7 Test Method Shear Strength (psi) 2,700, 2,700, 2,700 Test Method Conductivity
Dissipation Factor 0.09000 Dielectric Constant 4.60 Thermal Conductivity (W/m°K) 0.80 to 1.40 Volume Resistivity (O) 7.58e12 (ohm-cm) Hardness
Shore D Hardness 75, 80, 80 Test Method Other Properties
Glass Transition Temp (Tg) (°C) 60, 100, 100 Test Method Outgassing low, <25 (µg/g), <25 (µg/g), <5 (µg/g) Test Method Coefficient of Thermal Expansion (CTE) 62e-6 (/°C), 205e-6 (/°C) Test Method Density (g/cm³) 10.63 (lb/gal) Business Information
Shelf Life Details The shelf life of 3M™ Thermally Conductive Epoxy Adhesive TC-2810 is 12 months from the date of manufacture when stored in original cartons at 21°C (70°F) and 50% relative humidity. Shelf Life Type From date of manufacture Shelf Life (mon) 12 -
Best Practices for 3M TC-2810
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Application
3M™ Thermally Conductive Epoxy TC-2810 is supplied in dual syringe plastic duo-pak cartridges as part of the 3M™ EPX™ Applicator System. The duo-pak cartridges are supplied in a 37 ml configuration. To use the 37 ml cartridge simply insert the duo-pak cartridge into the EPX applicator and start the plunger into the cylinders using light pressure on the trigger. Next, remove the duo-pak cartridge cap and expel and discard a small amount of adhesive to be sure both sides of the duo-pak cartridge are flowing evenly and freely (ie: no voids, “plugs of adhesive”, dis-continuity in flow, etc.) Once even side to side and uniform flow from both sides of the duo-pak is confirmed, attach the 3M™ EPX™ Mixing Nozzle to the duo-pak cartridge to ensure proper and uniform mixing of the Part A and Part B and begin dispensing the adhesive.
With a 200mil cartridge, the nozzle must be attached before dispensing any material to prevent unmixed adhesive from getting into the applicator cartridge holder. A quantity of material should be dispensed through the mix nozzle and discarded until a uniform color, consistency of product, freely flowing and even side to side flow is evident.
Partially used cartridges must follow the above use instructions to ensure consistent product performance.
Complete and uniform mixing as noted above of the two components is required to obtain consistent product performanc.
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Viscosity Test Methods
| Viscosity | Test Method |
|---|---|
| 40,000 to 80,000 cPs | Initial |
Work / Pot Time Test Methods
| Work / Pot Time | Temperature |
|---|---|
| 60 min | 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 |
|---|---|---|---|---|
| 2,700 psi | Overlap shear Strength | 1,440 min | 23°C | ASTM D-1002 |
| 2,700 psi | Overlap shear Strength | 30 min | 90°C | ASTM D-1002 |
| 2,700 psi | Overlap shear Strength | 10 min | 120°C | ASTM D-1002 |
Shore D Hardness Test Methods
| Shore D Hardness | Shore Hardness Test Method |
|---|---|
| 75 | 72°F (23°C) 24 hours |
| 80 | 194°F (90°C) 30 minutes |
| 80 | 248°F (120°C) 10 minutes |
Coefficient of Thermal Expansion (CTE) Test Methods
| Coefficient of Thermal Expansion (CTE) | CTE Test Method |
|---|---|
| 62e-6 (/°C) | below Tg |
| 205e-6 (/°C) | above Tg |
Glass Transition Temp (Tg) Test Methods
| Glass Transition Temp (Tg) | Glass Transition Temperature (Tg) Test Method |
|---|---|
| 60°C | Tan Delta, 72 (F), 24 (hours) |
| 100°C | Tan Delta, 194 (F), 30 (minutes) |
| 100°C | Tan Delta, 248 (F), 10 (minutes) |
Outgassing Test Methods
| Outgassing | Temperature (°C) | Test Method |
|---|---|---|
| low | 85°C | |
| <25 (µg/g) | 85°C | GC/MS, 85 (C)/3 hours |
| <25 (µg/g) | 85°C | Hydrocarbon Outgassing, GC/MS, 85 (C)/3 hours |
| <5 (µg/g) | Siloxane Outgassing, GC/MS, 85 (C)/3 hours |
