This is the 40 CPS Stone Chip windshield repair resin. This is very similar to the 20 CPS Stone Chip Windshield Resin, except it has a thicker viscosity and is used for repairing any chip / stone-break or star-break. This 15 ml bottle of 40 cps will get you about 425 drops of windshield repair resin. This will repair about 200 chips with the Ultra Bond Injector. When this is successfully cured using the correct tools, the repaired windshield will as  STRONGER AS A NEW WINDSHIELD.