It seems the last update added some interesting stuff, chemistry sets to be specific.
Do these sets that can strangify hats/miscs exist for every iteration of a hat/misc in the game?
Chemistry Set for every hat/misc in game
team-fortress-2
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Best Answer
No - the official wiki lists the 14 possible chemistry set / strangifiers as of the 27 Aug 2013 patch.
Of these, there are 13 misc items and a single weapon, the Pomson.
Source: http://wiki.teamfortress.com/wiki/Chemistry_Set
More may be added in later patches but so far the trend seems to be that each specific item has a specific strangifier / chemistry set for it, and only a limited set has been released.