Quote Originally Posted by spegelius View Post
Yeah, all metal heatbreaks are more prone to jams...
Well I did some research on the max safe working temps of the ptfe tubing and 250-265 isn't bad. Then I found this blue ptfe tubing that can handle up to 300c. I got excited and ordered 2M of it. It is supposed to be reduced friction on the inside and a slightly smaller id also to better control retraction distances. This tubing right here: https://www.ebay.com/itm/Tough-Tube-...wAAOSwRUJeszwo . I wanted to put the heatbreaks that came with the diamond hotend back in it and run these high temp tubes and continue my push to get this diamond hotend to print in good quality. Sadly I threw away the heatbreaks when i swapped in the all metal micro swiss counterparts. So i'm not going back to ptfe lined heatbreaks without further investment in something i have lost confidence in. I hope the Geeetech part shows up soon.