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3Mâ„¢ Thermally Conductive Adhesive Transfer Tapes 8805 is 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).
| Colour | White |
| Tape Type | Filled Acrylic Polymer |
| Tape Thickness | 0.125 mm (5 mils) |
| Filler Type | Ceramic |
| Liner Type | Dual liner using silicone-treated polyester. Easy release PET liner is clear in color, tight side PET liner is blue in colour |
| Liner Thickness | 37.5-50 µm (1.5~2 mils) thickness for inside or outside wound liner. |
| Property | Value | Method |
|---|---|---|
| Thermal Impedance (°C cm2 /W) |
3.2 | 3M test method |
| Thermal Impedance (°C in2 /W) |
(0.5) | 3M test method |
| Thermal Conductivity (W/m-K) | 0.60 | ASTM C-177 |
| Specific Gravity | 1.07 g/cc | |
| Surface Resistivity (Ω-cm) | 1.6 x 1011 | ASTM D-2577 |
| Volume Resistivity (Ω-cm) | 5.2 x 1011 | ASTM D-2577 |
| Dielectric Strength (kV/mm) | 26 | ASTM D-149 |
| Dielectric Strength (V/mil) | (688) | ASTM D-149 |
| Dielectric Properties (frequency) | 3 MHz | ASTM D-150 |
| Dielectric Constant (8815) | 93.5 | ASTM D-150 |
| 90 Degree Peel Test grams/25.4 mm width |
8805 | 3M test method 1 mil PET Backing |
| Room Temp Dwell @ 15 min | 990 (35) | 3M test method 1 mil PET Backing |
| 65°C Dwell @ 15 min | 1450 (51) | 3M test method 1 mil PET Backing |
| Room Temp Dwell @ 72 hrs | 1500 (53) | 3M test method 1 mil PET Backing |
| 65°C Temp Dwell @ 72 hrs | 1590 (56) | 3M test method 1 mil PET Backing |
| Static Shear test of holding 1000g @ Room Temp using 1 in | PASS | 3M test method: SS & PET Hold weight 1 week |
| Static Shear test of holding 500g @ 70°C using 1 in2 | PASS | 3M test method: SS & PET Hold weight 1 week |
| Heat Aging and Environmental Cycling Performance | Products pass UL-746C Heat Aging testing* and Environmental Cycling testing. Contact your 3M technical services representative for details. | UL-746C |
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