Our car windshield crack repair fluid contains water, resin, and silicon nitride. It can efficiently clean the car windshield, reduce the damage of foreign objects to the body surface, and perform maintenance on the car windows. The usage method is simple: first, drop a drop of resin at the crack, apply a layer of curing film, then scrape off the bubbles with a blade, and then place 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 films, insect stains, water stains, etc. on the glass surface, improve the glass transmittance, and ensure clear vision.