Can these be used on items such as voltage regulators both on your graphics card and MB, or are they only for your ramblocks only.

I was concerned that they left an oily residue which could be conductive? The Thermal pads are shown below:



I am planning to use it on my Voltage regulators on my MB in conjunction with this item:



and on my Grpahics card on the voltage regulators there and the chips around the main chip.


Any ideas and tips, or should I just use the artic silver on these items?

Any help would clear up my concerns.