Thermal adhesive advice

jabe1

Flashlight Enthusiast
Joined
Apr 25, 2008
Messages
3,116
Location
Cleveland,Oh
I'm wondering what everyone uses to secure the mcpcb when there's no mechanical mounting. How do you secure the mcpcb on a d26 module?
I've used arctic alumina epoxy in the past but I can't seem to find any.
 

adamlau

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Dec 8, 2007
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2,424
Location
Los Angeles
I'm wondering what everyone uses to secure the mcpcb when there's no mechanical mounting.
MG Chemicals 8329TCF/TCM series of thermal epoxy adhesives. 5-45 minute working time (5 min may not allow enough time to properly center a board).
 

DIWdiver

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Jan 27, 2010
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Connecticut, USA
I've used Arctic Silver, which is electrically conductive. AA is not, but that may not be important. Is that still available?

There's a youtuber called TechIngredients that came up with a mixture that he tested and showed to be better than commercial products by a bunch. He sells it on his website. He uses a combination of diamond, dendritic copper, and something else. Graphene maybe? If you're a techie, it's a pretty interesting channel.
 
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Aepoc

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Aug 24, 2006
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395
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New York (not the city)
Just realized AA is no more... RIP. I used to use it on every light i built basically. I hope my last tubes are still good and that the replacement works well
 

alpg88

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Apr 19, 2005
Messages
5,395
AA only lasts about a year, or so, after that tube A (white) is still ok, but tube B, turns into thick paste that is impossible to dispense, or mix properly. Even if you find someone selling it today, do not buy, they have not been manufactured for years, so it is old stock, useless now.
 
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