An answer that may be less costly than tantalum for repairing glass about nozzles is the use of a repair sleeve fabricated from PTFE. During this approach, titanium putty might be used to fill the weakened space. Then, a layer of cement is added, as well as the PTFE sleeve https://silicon-carbide-products97305.qodsblog.com/28950061/glass-lined-reactor-types-for-dummies