Our car windshield crack repair liquid contains water, resin, and silicon nitride. It can efficiently clean car windshields, reduce damage to the surface of the car body by foreign objects, and maintain the windows. Its use is very simple: first, drop a drop of resin on the crack, then apply a layer of curing film, then use a blade to scrape off the bubbles, then put the vehicle in the sun for 10-30 minutes, or replace it with a UV lamp until the vehicle is cured, finally tear off the curing film and scrape off the excess resin. After use, it helps to quickly remove stubborn stains, oil film, insect stains, water stains, etc. on the glass surface, improve the light transmittance of the glass, and ensure clear vision.