Features: 1. **Quick Leak Sealing**: Our Car Water Tank Leak Repair Powder provides an instant solution to leaks in radiators and heater cores, ensuring your vehicle stays on the road without costly repairs. 2. **Easy Application**: Simply pour the powder into your radiator after cooling the engine, and let it work its magic. No complicated procedures required for effective sealing. 3. **Durable and Reliable**: Formulates a strong, ultra-thin sealing layer that withstands high temperatures and pressures, ensuring long-lasting protection against leaks. 4. **Versatile Use**: Suitable for various applications including radiators, heater cores, and anti-freeze plugs, making it a must-have for any car owner. 5. **Cost-Effective Solution**: Save money on expensive repairs and replacements with our affordable leak repair powder, designed to extend the life of your vehicle's cooling system. Our car water tank leak repair powder contains wood powder, wood chips, metal corrosion inhibitors. It can quickly locate and seal leaks and is suitable for radiators, heater cores and anti-freeze plugs. Its use method is very simple: 1. Ensure that the engine has cooled, and remove the radiator cover. 2. Ensure that the water level in the water tank is moderate, and then amount an appropriate amount of anti-leakage powder, slowly pour into the radiator. 3. Fill the radiator and overflow tank to the appropriate height, reinstall the cover, and run the motor at sufficient speed to circulate the water. Continue running the motor for 15 minutes until the water heats up and stops. 4. If there is still leakage, re-add appropriate amount of leak-proof powder. If the water has been used before the powder action time, collect the solution and pour it back into the radiator and repeat. It can quickly form an ultra-thin sealing and leakage layer, resistant to high temperature, high pressure, strong shock, and ensure a durable seal of leakage.