TK Chrome

TK Chrome is a type of chrome that resists temperatures as high as the core of a nuclear explosion. Like Fiphp Steel, once it's grown in place it's nearly impossible to alter. TK stands for Thermokinetic. The P0S developed purple plague when gold plated and had to be TK Chromed.
== Behind the Scenes ==
TK outside of universe stands for T-1000, everybody's favorite living chrome.