Haze machines, or haze generators, are effects machines similar to fog machines, designed to produce unobtrusive, homogeneous clouds suspended in the air intended primarily to make light beams visible
A haze machine with remote control
Haze can reveal beams of light from stage lighting instruments without obscuring the view of actors onstage.
Propylene glycol is a viscous, colorless liquid. It is almost odorless and has a faintly sweet taste. Its chemical formula is CH3CHCH2OH. As it contains two alcohol groups, it is classified as a diol.
Haze machine
…machines to generate the effects is either oil or water-based. Most oil-based haze fluids use a mineral oil base, while water-based fluids use either a propylene glycol or glycerol base. Although both formulations of fluid are referred to as haze fluid, the different formulations are neither compatible nor interchangeable…
Propylene glycol is commonly used to de-ice aircraft.
Propylene glycol is often used in electronic cigarettes.