*Article* **Hydrogen Permeability of Epoxy Composites as Liners in Lined Rock Caverns—Experimental Study**

**Dawid Gajda \* and Marcin Luty ´nski**

Faculty of Mining, Safety Engineering and Industrial Automation, Silesian University of Technology, Akademicka 2, 44-100 Gliwice, Poland; marcin.lutynski@polsl.pl

**\*** Correspondence: dawid.gajda@polsl.pl; Tel.: +48-880-205-614
