Lead
An uncommon material used in protection against radiation and weapon manufacturing. Has one of the lowest thermal conductivities of all elemental metals in the game, next to Titanium.
It is a spawnable non-flammable solid.
Here is a list of possible sizes that reach the maximum malleability (1000) that have integer components: 1x1000x1, 1x500x2, 1x250x4, 1x200x5, 1x125x8, 1x100x10, 1x50x20, 1x40x25, 2x250x2, 2x125x4, 2x100x5, 2x50x10, 2x25x20, 4x50x5, 4x25x10, 5x40x5, 5x25x8, 5x20x10, 10x10x10, 20x10x5, 25x20x2, 25x10x4, 25x8x5
At its default size (4x2x2) it has a durability of 15, at its maximum size it has a durability of 60.
By default, its colour is #43475a.