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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Conducting paste
Quick question; is conducting paste for a boiler thermistor the same
as that used for computer processors? Or at least could I use the stuff for PCs in a boiler? -- Hugo Nebula 'What you have to ask yourself is, "if no-one on the internet wants a piece of this, just how far from the pack have you strayed?"' |
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Hugo Nebula wrote:
Quick question; is conducting paste for a boiler thermistor the same as that used for computer processors? Or at least could I use the stuff for PCs in a boiler? Cobducting paste is paste that conducts. Silicone grease, possibly loaded with a conductive powder. Why not? |
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On Fri, 22 Oct 2004 08:57:37 +0100, The Natural Philosopher wrote:
Quick question; is conducting paste for a boiler thermistor the same as that used for computer processors? Or at least could I use the stuff for PCs in a boiler? Cobducting paste is paste that conducts. Conducts what, heat or electricity? My first reading of the OP rang the electricity bell and too many variables bell. But I see it could be thermal in which case the white goopy thermal grease as used for processor to heatsink interfaces is probably OK, though a boiler may well get significantly hotter. -- Cheers Dave. pam is missing e-mail |
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Dave Liquorice wrote:
On Fri, 22 Oct 2004 08:57:37 +0100, The Natural Philosopher wrote: Quick question; is conducting paste for a boiler thermistor the same as that used for computer processors? Or at least could I use the stuff for PCs in a boiler? Cobducting paste is paste that conducts. Conducts what, heat or electricity? My first reading of the OP rang the electricity bell and too many variables bell. But I see it could be thermal in which case the white goopy thermal grease as used for processor to heatsink interfaces is probably OK, though a boiler may well get significantly hotter. I am not even sure that is true: semiconductors operate well over 100C, and its unlikely that a boiler water temp sensor is going to go much over 100C. Or is it some other sensor in the combustion area? |
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On Fri, 22 Oct 2004 10:57:21 +0100, The Natural Philosopher wrote:
I am not even sure that is true: semiconductors operate well over 100C, ... Mil spec ceramic packaged probably but your run of the mill plastic packaged stuff generally maxes out at around 80C. Quick google and unverified: http://www.heatsink-guide.com/maxtemp.htm Shows that only AMD Athlon and Duron have max working temps in the 90C range, most other vary from 60C to 85C. ... and its unlikely that a boiler water temp sensor is going to go much over 100C. That really depends on the position of the sensor and the constuction of the boiler. Even without being in the combustion area the surface of the heat exchanger may well get 100C. -- Cheers Dave. pam is missing e-mail |
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In an earlier contribution to this discussion,
Hugo Nebula abuse@localhost wrote: Quick question; is conducting paste for a boiler thermistor the same as that used for computer processors? Or at least could I use the stuff for PCs in a boiler? It's probably very similar stuff. My only concern would be temperature stability - since boilers get somewhat hotter (maybe not all that much?) than computer processors. Clearly, you don't want something which runs out when it gets hot! -- Cheers, Set Square ______ Please reply to newsgroup. Reply address is invalid. |
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Hugo Nebula abuse@localhost wrote in message . ..
Quick question; is conducting paste for a boiler thermistor the same as that used for computer processors? Or at least could I use the stuff for PCs in a boiler? I don't see why not. -- MAlc |
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"Hugo Nebula" abuse@localhost wrote in message ... Quick question; is conducting paste for a boiler thermistor the same as that used for computer processors? Or at least could I use the stuff for PCs in a boiler? If you mean the white runny paste - no. It begins to break down at about 90 deg C. If you mean the green sticky stuff (silver loaded epoxy) this is good to over 180 deg C |
#9
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In message , G&M
writes "Hugo Nebula" abuse@localhost wrote in message .. . Quick question; is conducting paste for a boiler thermistor the same as that used for computer processors? Or at least could I use the stuff for PCs in a boiler? If you mean the white runny paste - no. It begins to break down at about 90 deg C. If you mean the green sticky stuff (silver loaded epoxy) this is good to over 180 deg C Silver loaded epoxy - great idea Are you going to drill the bugger out when it fails ? Use normal heatsink compound, a couple of quid a tube from the usual electronic suppliers The information contained in this post may not be published in, or used by http://www.diyprojects.info -- geoff |
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"raden" wrote in message ... In message , G&M writes "Hugo Nebula" abuse@localhost wrote in message .. . Quick question; is conducting paste for a boiler thermistor the same as that used for computer processors? Or at least could I use the stuff for PCs in a boiler? If you mean the white runny paste - no. It begins to break down at about 90 deg C. If you mean the green sticky stuff (silver loaded epoxy) this is good to over 180 deg C Silver loaded epoxy - great idea Are you going to drill the bugger out when it fails ? You scrape it off. The silver particles mean it isn't as strongly bonded as a normal epoxy. Used in most very high temperature electronic systems - military and so on. Use normal heatsink compound, a couple of quid a tube from the usual electronic suppliers It will fail at this temperature. |
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Quick question; is conducting paste for a boiler thermistor the same
as that used for computer processors? Or at least could I use the stuff for PCs in a boiler? Hi, Superglue is fairly heatproof, something similar is used for shuttle tiles. cheers, Pete. |
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On Thu, 28 Oct 2004 11:40:11 +0100, Pete C
wrote: Quick question; is conducting paste for a boiler thermistor the same as that used for computer processors? Or at least could I use the stuff for PCs in a boiler? Hi, Superglue is fairly heatproof, something similar is used for shuttle tiles. cheers, Pete. So are you saying (in the light of what happened with those) that this is a good solution? ..andy To email, substitute .nospam with .gl |
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"Pete C" wrote in message ... Quick question; is conducting paste for a boiler thermistor the same as that used for computer processors? Or at least could I use the stuff for PCs in a boiler? Hi, Superglue is fairly heatproof, something similar is used for shuttle tiles. Err, but doesn't the said tiles (when present...) stop the heat being transferred to the structure ?.... |
#14
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In article ,
Hugo Nebula abuse@localhost wrote: Quick question; is conducting paste for a boiler thermistor the same as that used for computer processors? Or at least could I use the stuff for PCs in a boiler? Quick glance at the Maplin cat shows their heat conducting compound as you'd use on a heatsink good to 200C -- *To be intoxicated is to feel sophisticated, but not be able to say it. Dave Plowman London SW To e-mail, change noise into sound. |
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"Dave Plowman (News)" wrote
| Quick glance at the Maplin cat shows their heat conducting | compound as you'd use on a heatsink good to 200C But is that deg C music power or deg C rms? :-) Owain |
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