This is the 40 CPS stone chip windshield repair resin. Our 40 resin has Mechanical Strength of 108% of new windshield glass. Use to fill star-breaks  and can be used in cold temperatures. The 13 ml bottle of 40 cps will get you about 325  drops of windshield repair resin. Ultra Bond has the highest quality adhesives and we are the only windshield crack repair company that restores strength to over 100% new windshield strength with both chips and long cracks. The repaired windshield will be STRONGER THAN A NEW WINDSHIELD.