Final answer:
The primary component of a Stormtrooper's armor in the Empire Era is Durasteel.
Step-by-step explanation:
The primary component of a Stormtrooper's armor in the Empire Era is Durasteel. Durasteel is a composite material that is known for its high durability and resistance to impact and heat.
It is commonly used in the construction of spacecraft, military vehicles, and armor.
Other materials such as plasteel, beskar, and Mandalorian iron may be used in the Star Wars universe, but Durasteel is the primary component of Stormtrooper armor.