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Old 01-22-2015, 08:31 AM #1
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Default thermal adhesive

Are there some brands better than others? What kind do you recommend?

For press fit modules, what can i use as a thermal lubricant? Id rather not use adhesive in case I need to remove the module.
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Old 01-22-2015, 10:35 AM #2
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Default Re: thermal adhesive

You could try these, I've used them, and they seem to perform well. There are probably cheaper brands out there that work just as well; maybe someone else has experience with other brands.
I know that both Survival Laser (LPF member), and RadioShack sell these; and probably many other computer and electronics stores also.

BTW - I agree, I wouldn't want to use an adhesive for that either.

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Old 01-22-2015, 12:57 PM #3
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Default Re: thermal adhesive

^ yeah, that's what I use when needed but I'm just trying to make up some space such as putting a module in a pen that has a bit of wiggle room I use thin copper for its thermal and electrical conductivity. Not sure where you can buy a small amount of the copper I use as I happened to have a long sheet of it that was leftover from a job when I was working. Think the original roll came from a lumber yard as it was used between a piece of lumber and metal.
You can likely get some at a hardware store but I've never looked. Expect it to be expensive. If it has an adhesive on one side like mine does it comes right off with paint thinner/remover.
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Old 01-22-2015, 02:24 PM #4
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Default Re: thermal adhesive

Quote:
Originally Posted by Pman View Post
^ yeah, that's what I use when needed but I'm just trying to make up some space such as putting a module in a pen that has a bit of wiggle room I use thin copper for its thermal and electrical conductivity. Not sure where you can buy a small amount of the copper I use as I happened to have a long sheet of it that was leftover from a job when I was working. Think the original roll came from a lumber yard as it was used between a piece of lumber and metal.
You can likely get some at a hardware store but I've never looked. Expect it to be expensive. If it has an adhesive on one side like mine does it comes right off with paint thinner/remover.
Actually, you can get this on eBay fairly inexpensively:
50MMX1M Copper Foil Tape Pedal Single Sided Adhesive EMI Shielding GBW | eBay

There are all sorts of thickness, etc.
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Old 01-22-2015, 08:25 PM #5
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Default Re: thermal adhesive

or use the adhesive and get a module extractor. lots of options here
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Old 01-22-2015, 09:02 PM #6
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Default Re: thermal adhesive

I've used no-name chinese adhesives on 3W LED stars, and it's fine.



Using the pricey stuff might make sense if you're putting it on a 150W CPU or something, but laser diodes are <8W of heat. Meh.
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Old 01-22-2015, 11:13 PM #7
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Default Re: thermal adhesive

Think that copper is not as thick as mine but I have nothing to measure the thickness. Mine has a pretty decent stiffness. You can always find a use for thin copper in this hobby.
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Old 01-23-2015, 09:53 PM #8
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Default Re: thermal adhesive

Hi NO !! Adhesive get yourself some thermal paste arctic or radio shack stuff. If you glue it and it fries on you forget about it . The set screw holds in the module the paste is for thermal dispersion to the heat sink.
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