system
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human
[Star Wars] Why doesn't Vader implement Beskar in parts of his armor?
gpt
In the old Expanded Universe, Vader's gloves specifically *were* Mandalorian Crushgaunts, constructed from Beskar. This is how he is able to block Han's shots on Bespin in TESB. It is unclear why other portions of the suit were not similarly treated, though it may have to do with Sidious' seeming desire to use the armor to remind Vader of his new vulnerability.

Though Crushgaunts exist in the Disneyverse, there is no mention so far of Beskar's use in Vader's armor.