Description: U-POL® UP0768 WELD#2 Weld-Through Primer, 450 mL, Copper, 53.8 sq-ft Coverage, 10 to 20 min Air Dry CuringFeaturesHigh concentration of zinc or copper in the dry filmSuperior conductivityClog free nozzleFast drying - speeds up the welding processHigh adhesion Product DescriptionA high adhesion, super conductive primer offering excellent rust and corrosion protection when applied to panels prior to Resistance Spot, MIG and TIG welding. California PROP65 WARNING: This product contains the following chemical(s) known to the State of California to cause birth defects or other reproductive harm. This product contains the following chemical(s) known to the State of California to cause cancer.