# What is HZSM-5?

What is HZSM-5? I have seen it used as a catalyst support in literature. It seems to be related to the ZSM-5 zeolite, but I am not sure how.

• see chemicalforums.com/index.php?topic=34583.0 $\ce{H^+}$ instead of $\ce{Na^+}$ at ion exchange site. – MaxW Jul 19 '17 at 21:20
• It can also be used as an acid catalyst in its own right – Beerhunter Jul 26 '17 at 20:56