# Dissolved epoxy on old penetrators

**URL:** https://discuss.bluerobotics.com/t/dissolved-epoxy-on-old-penetrators/7340
**Category:** General Discussion
**Created:** [May 7, 2020, 8:16pm UTC](https://discuss.bluerobotics.com/t/dissolved-epoxy-on-old-penetrators/7340 "2020-05-07T20:16:44Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![luc-rossi](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.bluerobotics.com/luc-rossi/32/1149_2.png) [@luc-rossi](https://discuss.bluerobotics.com/u/luc-rossi)
#### Post date: [May 9, 2020, 5:41pm UTC](https://discuss.bluerobotics.com/t/dissolved-epoxy-on-old-penetrators/7340/3 "2020-05-09T17:41:22Z")

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Hi @johng,  
in fact, that’s pretty simple …

 ![extraction_low](https://us1.discourse-cdn.com/flex019/uploads/bluerobotics/original/2X/0/085ba7e20ca656d983e514224636d4a2917f10ab.jpeg)

I did a short video to show you.  
You just need a thermostatically controlled heat gun ( and a ventilated area ! )  
The optimum temperature is about 230°C, and it take less than 2 minutes …

https://player.vimeo.com/video/416701041?h=83bcec2260&app_id=122963

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