"Space is open for business, and some entrepreneurs plan to make the final
frontier into a manufacturing hub. There’s plenty of real estate. But it takes a
few thousand dollars to launch a kilogram of stuff into space.

“The key question is: What is it that justifies the expense of doing these things
in low Earth orbit?” says William Wagner, director of the University of
Pittsburgh’s McGowan Institute for Regenerative Medicine, which will conduct
biomedical research on the International Space Station (ISS).

Here are some technologies that might merit the “made in space” label."

See:

https://spectrum.ieee.org/aerospace/...cture-in-orbit



What other products justify the high cost of orbital manufacturing?