Kool-Blak 225 Solves Aerospace Company's Production Safety Challenge!

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A large American aerospace company was looking to install a hot black oxide process, but had concerns regarding high temperatures and boiling caustic fumes.


EPi had the solution: a mid-temperature, black oxide process that blackens steel at 225-245F without boiling caustic fumes! Kool Blak 225 gives a rich and glossy blue-black oxide to steel parts while producing an Fe3O4 magnitite finish.


Kool-Blak 225


Kool Blak 225 allows for a safer working environment compared to traditional hot black oxide operations, and still provides the same finish as high-temperature, caustic-fumed processes.