EC360 Ruby
Smearing under pressure helps with the paste to recognize the “tear-off edges” and thus also the adhesion. Of course, this is not possible with the pads, but here too, possible streaks, graininess and the nature of the edges are interesting. The EC360 Ruby is very fluid, droplets get stuck in the smear…
… and the paste is quite easy to pull apart. I am also still looking for the Nano-Tubes, because my graphene pastes all behave completely differently and are almost black.
At 1000x magnification, the paste shows two different fillers with very different degrees of grinding, which I will analyze in a moment. The fact is that we find small nanoparticles with diameters of less than one µm embedded between coarser particles in the range of 3 to 7 µm. You can do that, but it is anything but nano in total.
I removed the surface with the floating silicone by laser and simply uncovered the lumps underneath. The result is not exactly intoxicating, but pure mediocrity. I don’t see any nanotubes here either.
Nuomi SYY-157
The SYY157 appears more grainy and not as puffy as the EC360 and therefore subjectively appears a little more durable. It can still be spread normally and does not roll off smooth surfaces.
You can also clearly see the larger particles…
…which are located in a sea of smaller zinc oxide particles. However, the manufacturer of the paste has not covered itself in glory here either, as it can also be much finer (and therefore of course more expensive). But you won’t find any nanotubes here either, because the image would be completely different (and above all darker).
If you remove a layer, you will also find small lumps here, although not quite as extreme.
Thermalright TF4
The cheap paste is similarly grainy as the SYY-157 and not quite as low-filled as the EC360. This puts it between the first two pastes.
The TF4 can also be easily torn apart and the coarser particles observed.
The somewhat coarser grinds of some of the particles are appropriate for the price, but the bottom line is that this is still quite adequate. I’ve seen much worse for considerably more money.
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