The freezing issue of h2o is frustrated when mixed with propylene glycol. It can be used as plane de-icing fluid.[four][fourteen] H2o-propylene glycol mixtures dyed pink to point the combination is fairly nontoxic are marketed beneath the identify of RV or maritime antifreeze. Propylene glycol is usually applied instead for ethylene https://cashdjnqt.oblogation.com/6929700/a-review-of-pg