-What kind of EXPLOSIVE are they using?
-The bomb squad think it’s C-4.
Money Heist Season 1, Episode 11
Plastic EXPLOSIVE.
Money Heist Season 1, Episode 5
It's plastic EXPLOSIVE RDX!
Money Heist Season 3, Episode 6
or popularly known as plastic EXPLOSIVE.
Money Heist Season 3, Episode 4
Plastic EXPLOSIVE, RDX. Flawlessly made.
Money Heist Season 3, Episode 3