Kapton vs. cheap polyimide tape
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Rick Pollack
Jun 19, 2010, 11:59:33 AM6/19/10
to MakerGear
I did a side by side test where I wrapped Kapton tape on one side of a power resistor and the cheap imported polyimide tape on the other side. The cheap polyimide tape disintegrated (melted) by 200C. The Kapton was fine.
The tape on the left smoked, melted and had to be scrapped off. The tape on the right was fine.
The cheap stuff is fine for build surfaces but not recommended for wrapping nichrome.
Rick
The tape on the left smoked, melted and had to be scrapped off. The tape on the right was fine.
The cheap stuff is fine for build surfaces but not recommended for wrapping nichrome.
Rick
beak90
Jun 19, 2010, 4:46:54 PM6/19/10
to MakerGear - MakeToday, Change Tomorrow
Real kapton will do that too if you get up to high enough
temperatures. I put some of the kapton included with my Makerbot on
the uninsulated nichrome of a soldering iron and it started melting
and smoking within a few seconds of being plugged in. It might just be
that the cheap stuff is designed for lower temperatures.
> kapton vs cheap polyimide.jpg
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temperatures. I put some of the kapton included with my Makerbot on
the uninsulated nichrome of a soldering iron and it started melting
and smoking within a few seconds of being plugged in. It might just be
that the cheap stuff is designed for lower temperatures.
> 22KViewDownload
Rick Pollack
Jun 19, 2010, 5:06:28 PM6/19/10
to make...@googlegroups.com
Real Kapton seems to be rated to about 260C and it certainly does not disintegrate below 200C.
Everything fails at a high enough temp :)
Everything fails at a high enough temp :)
Rick Pollack
Jun 19, 2010, 5:12:05 PM6/19/10
to make...@googlegroups.com
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