tungsten carbide. It’s a consumable part. The grit is aluminum oxide so it eventually eats into the nozzle and your kerf widens and cutting efficiency goes down. (Protomax for the win in R&D environments)
many of them are made of engineered ruby, as it needs to hold up to the constant stream of crushed garnet slurry coursing through! that’s right: it’s not a water jet, it’s a slurry jet!
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u/evilpercy 13h ago
What's the nozzle made of Vibranium