[jjoll]

what kind of liquid or foam or etc can be added to a flammable liquid such as oil, petrol so that it neutralizes the flammability of that liquid (oil, petrol)?

[Hunter2]

So far I know there where some additives who make the liquid more like a gel.  But ther ight name of it I also dont know.

Maybe you can find here something:

https://www.google.fr/search?q=flameretardend+for+liquids&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a&gfe_rd=cr&ei=bkYJVbi8KIaB8gPj4oGoCA#rls=org.mozilla:en-US:official&q=flame+retardant+for+liquids&spell=1