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