Hydrazine

is one of the resources in Astroneer. It can be mined from deposits on the surface or in the first levels of caverns. It can also be created using a Fuel Condenser module.

Hydrazine is used as fuel for the Shuttle, Spaceship and Thruster.

It looks like a Tank, but with purple liquid inside and the Attachment Point is on the side.

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Hydrazin Hydrazine ヒドラジン Гидразин