Invar Dust
Invar Dust is a dust added by TechReborn. It is used to produce 
Invar Ingot.
Recipe
Crafting Table - Techreborn:invar Dust
Grinder - Techreborn:invar DustUsage
Crafting Table - Techreborn:small Pile Of Invar Dust
Iron Furnace - Techreborn:invar Ingot