The Original Seal-Up Metalic Radiator Sealant 646g - Bluemagic

The Blue Magic Original Seal-Up Metallic Radiator Sealant 646g is a heavy-duty cooling system repair solution designed to permanently seal cracks and leaks in engine components. Trusted by mechanics and DIYers worldwide, this advanced liquid glass and copper formula creates a durable copper-ceramic bond that helps repair leaks in engine blocks, radiators, heater cores and freeze plugs.

Engineered to withstand extreme operating conditions, Seal-Up performs in temperatures up to 2000°F (1093°C) and pressures up to 3000 psi, making it one of the most robust cooling system sealers available. Suitable for both petrol and diesel engines, it works with standard automotive cooling systems to form a tough, long-lasting barrier that helps prevent coolant loss, overheating and further damage. Whether you need an emergency roadside repair or a long-term solution, this pour-and-go formula offers fast, reliable performance without complex installation.

Key Features & Benefits:

• Permanent cooling system sealer

• Forms a strong copper-ceramic repair bond

• Seals cracks in engine blocks, radiators, heater cores & freeze plugs

• Withstands temperatures up to 2000°F (1093°C)

• Handles pressures up to 3000 psi

• Liquid glass and copper metallic formula

• Suitable for petrol & diesel engines

• Quick and easy pour-in application

Reliable, durable and built for extreme conditions — Blue Magic Seal-Up provides serious protection when your cooling system needs it most.