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Anyone use kapton tape?


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Does anyone here find kapton tape useful for holding things in place on PCBs or protecting against shorts?

 

If so, what size tape do you prefer: narrow ~10mm wide or big 50mm rolls that you can snip smaller pieces off?

At work we use the 10mm and 50mm. I usually go for the 10mm one.

 

If there is a large price difference, go for the 10mm. That tape is going to last a long time.

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At work we use the 10mm and 50mm. I usually go for the 10mm one.

 

If there is a large price difference, go for the 10mm. That tape is going to last a long time.

 

I'm expecting the 50mm roll to be better value for money (ie less than 5x the cost of a 10mm roll).

 

That said, you do make a good point about how long it will take to use up. I've still got about 24.3 metres of a 50mm x 25m double-sided tape roll that I'll struggle to get through in an average lifetime :)

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Kapton (polyimide) has high resistance to chemicals, and it can take a lot of heat without melting.  It is sort-of default for copper etched films and things that are exposed to chemicals and/or heat, but imidized plastics are quite pricey.  If you can find polyester/PET/mylar tape, you'll probably get a better deal and, practically, no worse performance.

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