According to Donic (which shares owner with ESN) products catalog, the definitions are:

And in XIOM’s 2024 products catalog, the definitions are:

In Donic’s Bluestar A1 introduction, there are words like:

To conclude, C-Touch is:
H-Touch is:
| Brand | C-Touch | H-Touch |
|---|---|---|
| Stiga | DNA Dragon Grip | DNA Hybrid series |
| Donic | BlueGrip C1/C2 | BlueStar A1/A2/A3 |
| XIOM | Jekyll & Hyde C55 | Jekyll & Hide H52.5, VEGA H series |
Here is a comparison of the two typical rubbers of each type: BlueStar A1 is 52.5 degrees H-Touch, BlueGrip C1 is 60 degrees C-Touch. You can see the difference of pimples geometry and sponge.
