I Just Replaced My Thermal Paste a Few Months Ago and Core Temp Is High Again
Thermal paste is a thermally conductive compound mostly used as an interface between a chip and a heatsink. Its goal is to eliminate air gaps that deed as thermal insulators, and thus maximize heat transfer and dissipation.
Within your PC, you take thermal paste on your processor (CPU) and almost likely your graphics bill of fare'south dice.
And information technology's not something that lasts forever, then you lot will need to replace it every once in a while.
But how frequently is "every once in a while"?
How long does applied thermal paste last?
Whether you bought a CPU and Cooler with pre-applied Thermal Paste or accept a Third Party CPU Cooler with premium Thermal Paste, the primary problem with any thermal paste is known as "pump out".
The die or heat-spreader (whether it's the CPU or the GPU) and the libation's heatsink have different rates of thermal expansion and contraction.
In the long run, over a high number of heating/cooling cycles, this difference results in thermal paste getting pumped out from between the die/heat-spreader and heatsink.
This degrades thermal operation.
Although loftier-finish compounds tin can maintain efficacy up to 7 years afterwards installation, manufacturers recommend removing whatsoever thermal paste from your CPU's estrus-spreader and CPU Cooler every two-3 years to be on the safe side.
How long does stored thermal paste last?
When you buy a tube of thermal compound, the shelf life is dissimilar depending on the type of compound y'all're buying, and the weather you store it in.
Cooler Principal, for example, suggests a two-twelvemonth shelf life if the paste is stored in a absurd location, out of sunlight, with the cap placed on properly.
You lot can recognize a thermal compound that'due south gone bad – it's either going to be flaky, difficult, or completely stale out.
If this is the case, you need a new thermal compound. And even though some manufacturers claim a shelf life of four to v years, y'all will start noticing signs that the compound is drying out later on two to iii years.
Tips on storing thermal paste
Nosotros recommended that you but buy a pocket-size amount of thermal paste – as much every bit y'all need. This manner you lot aren't left with a stockpile of unused paste that will go bad. Merely if you practise need to shop some extra thermal paste, here are a few tips.
The most important thing is to close the cap well. The thermal paste comes in a plastic syringe, with a plastic cap on top.
After use, make certain you make clean the end of the syringe and screw on the plastic cap. Tighten the cap well, so no air tin get inside – this volition prevent it from drying out also speedily.
If y'all can't put the cap back on or have lost it, try using a Ziploc handbag that can be sealed shut. Effort to get rid of about of the air in the Ziploc Bag before endmost information technology.
Don't pull the syringe plunger back. It will introduce air into the syringe, which leads to oxidation and significantly shortens the compound's shelf life.
Once yous have the syringe closed, store it in an area that's either at normal room temperature, or slightly libation.
Avoid storing the compound in places that get as well hot or too cold, such as your basement or your attic.
Also, the compound must non exist exposed to direct sunlight.
When should you supersede thermal paste?
There are a few situations where replacing thermal compounds becomes a skillful idea.
The start is whenever y'all remove the heatsink off of the corresponding scrap. When you remove it, you will notice that some of the chemical compound is left over on the heatsink itself, while the residue is on the chip.
Placing the heatsink back on the chip and using the same thermal paste volition introduce air pockets. Air pockets deed as insulators, non heat conductors, and have a big bear upon on thermal functioning.
This is why, whenever you remove the heatsink, clean both the heatsink and the chip (booze wipes work best here), and apply new thermal compound. Make sure you go rid of the chemical compound completely as you don't desire it to mix with the new – which would decrease its functioning.
The other situation, if you don't remove your libation often, is to supplant the chemical compound every two to three years.
This is due to the pump-out issue we mentioned earlier, which leads to thermal operation deposition over time.
Go along in listen that not all thermal compounds maintain efficacy the same way.
Most value options are skilful for two to three years, while higher-stop compounds can go up to seven years. Replacing it every two to three years is a practiced idea and volition go along your chip at its optimum.
Wrapping things up
Thermal paste is essential when information technology comes to keeping the CPU and GPU cool.
Using your computer with dried-out thermal paste will lead to noticeably decreased thermal performance, which means throttling of your clock speeds and potential run a risk of overheating.
If you're curious about how thermal paste works, how different types of it perform, and what the all-time options are, we've got you covered.
Over to you
How frequently practise you replace your Thermal Paste? Let us know in the comments or our forum.
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Source: https://www.cgdirector.com/how-long-does-thermal-paste-last/
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