Archived from groups: alt.comp.hardware.pc-homebuilt (
More info?)
"Mr Koko" <mrkoko@comcast.FISHnet> wrote in message news:<reudnQZsos9H1wTcRVn-uw@comcast.com>...
> Is dielectric grease the same as thermal grease , and can I
> use it instead? I already have dielectric grease is why I ask.
They're not necessarily the same, but in practice they are the same
among retail products, and if your dielectric grease is opaque white
then it's identical to thermal grease (white is from zinc oxide powder
added to improve heat flow). But there are some commercial thermal
greases that are not dielectric, such as Honeywell Tradeline 107408,
made with aluminum powder, and don't assume that a thermal grease is
dielectric when measured with an ohmmeter because this product and
even silver and nickel laced greases will show infinite resistance.
> Is the thermal tape better than the compound?
Almost never for thermal conduction because it's thicker.
> I read somewhere that trying to take apart a heatsink from cpu
> after a while that had the "grease" was difficult because it
> kinda baked together and you could possible separate the chip.
> The tape is suppose to come apart easier. Any thoughts?
Tape definitely comes apart easier than it should, and I wouldn't
trust it as the sole attachment unless its adhesive was rated for at
least 200C and then not for anything but the lightest heatsink.
Ordinary silicone sealer (RTV rubber) sticks and conducts better, but
don't bother with epoxy unless you never plan to remove the heatsink
or you're in a hurry.
Very thick thermal grease may seem to stick better than tape, but
don't trust it to hold a heatsink in place because it will gradually
slide off if it's not perfectly horizontal. A hair dryer can help
remove a heatsink stuck in place with thick grease.