While thermal paste isn't exactly pricey, it's still very important not to waste. Storing thermal paste properly can help with some of this waste and perhaps avoid a little inconvenience too.
Thermal pastes come in a variety of foundational compounds. Whether it's metal, ceramic, or silicone, regardless of which type you have, things like heat, air, and moisture contribute to its lifespan.
Keep it Cool, Dry, and Sealed
So, we aim to store it with the antithesis in mind for the things we mentioned contributing to a shorter lifespan.
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Keep it at room temperature: Don't store it in areas in the house where it gets hot, like a garage or attic, or nearby a window.
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Lowest Humidity as Possible: This can really shorten the lifespan of thermal paste, and ruin the consistency.
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Keep it Sealed: Air is a real killer of thermal paste. Keep it sealed in the syringe or original container and make sure the lid is tightly sealed.
Vacuum sealing is a great option, but optional.
So, don't just throw it anywhere. Watch the expiry period, especially once opened. Most can keep for up to a couple of years if sealed well. Always check for separation or thickening before use.
And once it's no good, that's it. Revival is not possible.