I made a mistake. I was looking for the pre applied thermal paste on the CPU cooler, and I accidentally touched it.
The CPU and the cooler are new. I'm thinking about buying a new thermal paste and apply it on the cooler, just the amount which I removed when I accidentally touched it.
But is it a problem to mix two types of thermal pastes, the original with the new one?
I was wearing antistatic gloves when I touched the cooler.
Yea, you haven't removed enough to make a difference. This paste is initially going to liquefy and spread out over the surface, so your disruption of it will not matter.
I wouldn't mix TIMs and I don't think adding more is really necessary. If you really think that you need more, you would wipe off the pre-supplied TIM and replace it completely. Remember though, too much TIM can be just as bad as not enough TIM.