Aramid,
The Strongest Fiber
on Earth

Aramid, a super-fiber that closely resembles the theoretical property of matter in terms of chemical structure, is a high performance materials in which most of Production on Earth is used in high-technology industries such ad military, aircraft, aerospace, and marine.
It has 5 time more strength than iron steel.

Also, except for in 99% sulfur substance, it has the chemical resistance that can withstand all chemical substance without dissolving or decomposing, and the stability that prevent melting at high temperature and only carbonize at temperature over 500°C.