USED FOR COLD DAMP RACE TRACKS WHERE BUILDING HEAT IS AN OPTIMUM. WORKS WELL WHEN NUMEROUS COATS ARE APPLIED DURING THE WEEK TO REACH YOUR DESIRED DUROMETER. WILL WORK ON DRY DUSTY LOW BITE RACE TRACKS WHERE BURRIS SS-11 OR SS-22 ARE THE CORRECT TIRE. ALWAYS USE MEDIUM AS YOUR PRE RACE WIPE WHEN USING AGGRESSIVE AS YOUR BASE TIRE SOLUTION. AVERAGE DURO DROP IS 15PTS. WHEN USED HEAVILY IT WILL DROP 35 PTS. ALWAYS CHECK DURO AT ROOM TEMP.