Our Windshield Crack Repair Kit contains Nano Titanium Oxide, Mineral Oil, Surfactant. It can quickly repair cracks, lasting effect is not easy to fall off, improve the transparency of the glass, restore new visual effects, and enhance the strength of the glass, effectively resist external shocks. Its use method is very simple: drop a drop of resin on the crack, cover with a cured film, scrape off the bubble with a blade, move the vehicle to direct sunlight for 10-30 minutes or change the ultraviolet lamp until curing, and finally tear off the cured film and scrape off the excess resin. Can make the repaired surface smooth without scratches. Prevent the spread of cracks and extend the service life of glass.