The CPU is delided with der8auer special tool (google der8auer delid to find out more info about this procedure) and it's lapped also. Doing this i managed to drop 6 degrees.
The thermal compound used in the delid procedure is Coollaboratory Liquid Pro. The item "AMD Ryzen 9 3950X, 16C/32T, 4.70 GHz (delid+lapping)" is in sale since Thursday, November 12, 2020.
This item is in the category "Computers/Tablets & Networking\Computer Components & Parts\CPUs/Processors". The seller is "gaminggrade" and is located in Bucuresti. This item can be shipped to all countries in Europe.