1. Temperature Control: Coolant helps regulate the operating temperature of the engine or machinery, preventing it from overheating.
2. Corrosion Inhibitors: Many coolants contain corrosion inhibitors that protect metal surfaces from rust and corrosion.
3. Lubrication: Coolant can also serve as a lubricant for moving parts in the engine or machinery, reducing friction.
4. Extended Lifespan: By preventing rust and corrosion, coolant can prolong the lifespan of critical components.