)•Chemical resistance: many acids, oils, alcohols, salts, and alkalis Tingley® Durascrim™ Flame Resistant Pvc Overalls,2Xl. Self-extinguishing with flameout and afterglow less than 2 seconds after removal ignition source.Ideal For Light Chemical, Construction, Utilities, Agriculture, Food Processing, And General Industry. (Test Method ASTM D6413.