Use "retardant" in a sentence

1. “What are we going to burn to ignite the fuel? And, for that matter, how are we going to light whatever it is? Aren’t most things on this ship fire retardant?”

2. And the engineer who invented fire retardant walls

3. Tables were covered with fire retardant materials

4. Within microseconds, Bob unplugged and coated it with a thick white fire retardant