Propex

Propex is a substance from the IDW portion of the Generation 1 continuity family.

Propex is an explosive substance that can also be used as a preservative. It's green.

Fiction

IDW Generation 1 continuity

Prior to the war, a fire at the Jhiaxian Academy of Advanced Technology was blamed by authorities on a faulty propex conduit. An Intimate Beheading

Superheated propex was used in the process that rendered Overlord and other future phase sixers virtually indestructible. Remembrance Day

Grimlock was stored in a preservative of a weak propex solution when the Scavengers discovered him. Krok laced it with circuit speeders as part of a plan to fight the Decepticon Justice Division. Who's Afraid of the DJD? The Decepticon pink alchemy facility on Temptoria was protected by a bomb full of propex. Tailgate drained the majority of it in the process of defusing the bomb, but there was still enough left to cause a sizable explosion when the bomb went off, damaging Cyclonus and Rewind. Before & After