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Description for 3M 9890
Designed to provide a preferential heat-transfer path between heat-generating components and heat sinks or other cooling devices (e.g., fans, heat spreaders or heat pipes).Application Type Bond, Lamination 1 Part or 2 Part 1 Part Material Form Transfer tape Substrate Ceramic Industry Other cooling devices, CPU, Heat sinks, Heat spreaders, Heat pipes Manufacturer 3M Chemistry specialized acrylic Cure Method Pressure Sensitive Color Gray Key Specifications UL recognized
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Shear Strength Test Methods
| Shear Strength | Type | Test Temperature | Test Method |
|---|---|---|---|
| 1000 (g) | Static shear strength | 25°C | 3M test method: SS & PET Hold weight 1 week, Static Shear test of holding 1000g @ Room Temp using 1 in2. |
| 500 (g) | Static shear strength | 70°C | 3M test method: SS & PET Hold weight 1 week, Static Shear test of holding 500g @ 70°C using 1 in2. 1000g @ Room Temp using 1 in2 |
Dielectric Constant Test Methods
| Dielectric Constant | Test Method |
|---|---|
| 5.00 | ASTM D-150, Dielectric Properties (frequency) , 1 MHz |
Dielectric Strength Test Methods
| Dielectric Strength | Test Method |
|---|
Thermal Conductivity Test Methods
| Thermal Conductivity | Test Method |
|---|---|
| 0.60 W/m°K | ASTM C-177 |
Volume Resistivity Test Methods
| Volume Resistivity | Test Method |
|---|---|
| 2e14 (O-cm) | ASTM D-257 |
Coefficient of Thermal Expansion (CTE) Test Methods
| Coefficient of Thermal Expansion (CTE) | CTE Temperature (°C) | CTE Test Method |
|---|---|---|
| 400 (ppm/°C) | 23 to 150°C | ASTM D-3386 |
| 250 (ppm/°C) | -55°C | ASTM D-3386 |
