Thermistor cement available in North America?

Hi all,

Following up from a previous thread in which I was having trouble with my hotend thermistor. I am pretty sure that some plastic got into the cement that was holding the thermistor in place, and caused or contributed to a partial short and bad readings. I have a couple replacement thermistors (EPCOS B57560G104F THERMISTOR, 100K, 1%, NTC, RAD) but have not yet found a working high temp cement. Nophead indicated that he uses Carplan Fire Putty, but it's not sold in the US. I tried Blue Magic QuikSteel Xtreme, but got bad readings from the new thermistor once it was cemented in -- I think the QuikSteel is probably partially conductive.

Can anyone recommend a known working product available in North America?

Thanks

- rdo

Hi,

How about this muffler/tailpipe sealant.

It looks OK temperature wise and is cheap.

Did you bake out the water content from the material you tried? If you don't do this then I would expect the water content to affect the readings.

Regards,
Neil Darlow

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Thanks Neil, that looks promising. I'll order some and post my results.

BTW I did try baking the moisture out of the Blue Steel stuff, but it didn't seem to help. Now that I've poked around a bit with it I'm almost sure it's conductive when cured.

- rdo