This is a high-performance epoxy that fills holes and cracks in the cooling system. It is permanent, air and water tight, and will not deteriorate. The sealing power of the epoxy enables it to be used in conjunction with most antifreeze products.

• Engine blocks
• Radiators
• Heads
• Head gaskets
• Heater cores
• Welsh plugs
• Fills holes up to 0.762mm deep
• Fills cracks 0.381mm wide

For cooling systems 20-40Lt capacity.