Would everyone purleeeeze stop using the word
INFLAMMABLE
The correct form is Flammable = it will burn and
Non flammable = it will not burn.
Think about the prefix in-
inoperative
inadmissable
inaccurate
these all infer the negative which is opposite in the (incorrect) use of that word up there in bold.
Rant over
Feel better
Carry on chaps I'll fetch me coat
Sir George Cayley