Windshield Repair Kit, Resin Sealant, Fast, Car, Cracks and Dents, Auto Glass Polishing

Because the air in the cracks will prevent the repair liquid from penetrating. We have the vacuum function to quickly remove the air in the cracks, the improved sealing rubber injection head can generate strong pressure to force the repair liquid into the cracks. Imported repair fluid (it is essential), the shear strength is up to 20PA.