Dye: Yellow F4 Fluorescent Dye


Yellow F4 fluorescent dye can be used to trace a leak in any system which contains a petroleum product (all oils, greases, fuels).  It fluoresces a yellow/green color when exposed to a UV light (black light) .  A typical mix ratio is 7 ounces of dye to 100 gallons of oil.  Sold in pints, quarts, gallons, and 5 gallon pails.  You can not see the dye unless it is exposed to UV light.

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