This20pcs copper heatsink sheet are15 * 15 * 0.1mm. It is compatible for desktop CPU, GPU, graphics card.
It is made of copper
The product has high thermal conductivity
It is resistant to high temperatures
It is compatible for desktop,GPU, CPU, graphics card and RAM
It is ultra-thin copper cooling sheet
Package Weight: 5g / 0.18oz
Item Size: 15 * 15 * 0.1mm / 0.59 * 0.59 * 0.004in （L * W * H）
Package List: C5688-1
20 * Copper heatsink Sheet
Copper is exposed to the air, and the copper surface inevitably oxidizes and darkens. But this does not affect its cooling effect, If you are worried, you can scrub the copper surface with fine sandpaper or toothpaste.