Permafrost Chest Armor

This chestpiece is made from a supercooled dihydrogen monoxide alloy, with water molecules packed together so densely that they rival the strength of steel.

Permafrost Chest Armor is the fourth tier of builder armor, it comes with upgraded stats and features the dig rate modifier as a set bonus. It is also the first chest armor in the builder series to require radium making it very difficult to craft early on.

How to Learn the Schematic
This schematic is learnt upon attaining Builder Armor research Rank 8.