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DIY heat transfer paste for sensors
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billyboy
Member Posts: 152
Comments
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I thought most heatsink compounds were silicone grease and zinc oxide?
Single pipe quasi-vapor system. Typical operating pressure 0.14 - 0.43 oz. EcoSteam ES-20 Advanced Control for Residential Steam boilers. Rectorseal Steamaster water treatment0 -
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Yes, but
ZnO (zinc oxide) conducts heat only about 13% +- as well as copper
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4772549/
"We found the thermal conductivity values of pure w-ZnO to be 44 W/mK and 62 W/mK along the [1000] and [0001] directions, respectively."
Copper is listed at 401W/mK at other sources.0 -
The key to good thermal conductivity is excluding any air gaps, beyond that it's a matter of the uniformity of the transfer medium. Particulate size has to be small and uniform.
BobSmith G8-3 with EZ Gas @ 90,000 BTU, Single pipe steam
Vaporstat with a 12oz cut-out and 4oz cut-in
3PSI gauge0
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