Can anyone help me why a 1700 degrees centigrade tube furnace with alumina tube breaks when using nitrogen gas as the atmosphere at 1400 degrees?

We have a 1700 degrees centigrade tube furnace with alumina tube. we have sealed the tube and we use silicon rubber to seal it, But after 2 or 3 runs the silicon rubber melts. we have also bought...

07 January 2018 3,913 2 View