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I've got a new heatbed. The current heatbed has a screw in the middle of the bed with some kind of thermal paste (feels like silicone). Somebody on reddit said that it is very unlikely silicone, because the curing process of silicone corrodes the electronics. But what is it and should I use just normal CPU thermal paste?

0scar
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rehfore
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If you need it to hold the thermistor in place, there are thermally conductive electrically insulating potting compounds, such as Appli-Thane® 7300 Urethane that have a temperature range of -100 to 160 °C.

The newest CPU thermal pastes contain silver particles and will conduct electricity. So, it needs to stay away from leads and pads that don't want to be shorted

Perry Webb
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