FAST FLASH FOR MOST AIR DRY SYNTHECTICS AND ONE PACK POLYURETHANES AND ONE PACK PRIMERS SPEED UP DRYING BY UP TO 50%-USE ONLY HALF THE AMOUNT OF THINNER YOU WOULD NORMALLY USE SPEEDS UP THE DRYING PROCESS BY AS MUCH AS 50% CONTAINS NO SOLVENTS SUCH AS XYLENE,TOLUENE AND NO HARMFUL CHEMICALS