U-POL Premium Aerosols: Weld #2, Weld Through Primer, Zinc, 15oz U-POL premium aerosols are a comprehensive line ideal for spot/panel and SMART applications. Special clog-free nozzles give a spray like finish to every job. All U-POL Aerosols are EPA Compliant for “Out of Booth” Application (6H Rule) and Compliant for ALL of North America. High adhesion. Superior conductivity. Offers the best rust protection for SPOT, MIG and TIG welding. High concentration of zinc or copper in the dry film. Clog free nozzle. Fast drying - speeds up welding process. Corrosion inhibiting. Size: 450ml Aerosol. Color: Zinc. CTN: 6 No Hardener required Replacement Hardener N/A Case Qty Hardener N/A Number Supplied N/A Hardener Weight N/A UP0789 Yes - ETHYLBENZENE