How do I craft Hermetic Seal in No Man's Sky?

To craft Hermetic Seal, you need Condensed Carbon x30. Use the Crafting Menu to combine them.

What ingredients do I need for Hermetic Seal?

You need: Condensed Carbon x30.

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Hermetic Seal is a product in No Man's Sky. To craft it, combine Condensed Carbon x30.

Crafting menu

I needHermetic Seal

Craft 1: 30 Condensed Carbon.

A high-performance carbon seal, able to withstand both the harsh interstellar environment and the rigours of intensive, high-energy industrial use.

User is advised to regularly check seal integrity after installation.