Was wondering if you guys are drying t5 and other clays before use. If so at what temp and for how long.
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I’m not but I’d like to soon. 100°C, vac, wait at least an hour.
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So 390f is a bit to high
I dry the clays at 100•f but only after ive used them for the 2nd use never done it on the 1st use and I keep it at 100•f in a paper bag until I’m ready to use again for the 2nd time and last time
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I’m going to experiment with drying and cleaning my clays and powders I’m waiting for four more packages and then I can start 
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I keep them in my “oven” room @ 85* and 15% humidity.
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Yes it is better drying them. Otherwise this will humidify the solvent you use.
In standard conditions, clays contains 8-15 wt.% water on their surfaces.
Best way to dry them is 110°C for 24 hours, then storage in a airtight container. You can use higher temperature, but this not necessary and you risk to temporarily collapse some of the interlayers.
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