1. Composed entirely of graphene, with a loose and porous microstructure, offering uniform and stable performance;
2. Exhibits excellent thermal conductivity, with a thermal diffusivity greater than 550 mm²/s;
3. Features good compressibility and resilience, with low density.
The microstructure of graphene nano/micro TIM film contains a large number of nano-or micro-scale cavities. It has a simple and porous structure, and exhibits good compressive resilience. The product also has excellent thermal and electrical conductivity, shows good electromagnetic shielding and microwave absorbing performance within a specific frequency range. It offers excellent processability, and its thickness can be customized as required.
Model |
GTF-A150 |
GTF-A200 |
GTF-A350 |
GTF-A450 |
Test Standard |
|
Test Item |
Unit |
Value |
||||
Appearance |
/ |
Somber black |
Visual |
|||
Thickness |
μm |
100~200 |
150~250 |
300~450 |
400~550 |
ASTM D374 |
Density |
g/cm³ |
0.32±0.11 |
0.21±0.03 |
0.12±0.03 |
0.11±0.03 |
GB/T 1033.1-2008 |
Thermal conductivity (in plane) (after 80% compressed) |
W/m· k |
≥300 |
≥300 |
≥300 |
≥300 |
ASTM E1461-2013 |
Thermal conductivity (in vertical) |
W/m· k |
1~3 |
1~3 |
1~3 |
1~3 |
ASTM D5470-17 |
Compressibility |
/ |
80% |
80% |
80% |
80% |
/ |