Can Ethylene Glycol Antifreeze Be Mixed?
1 Answers
Antifreeze of different colors cannot be mixed. Different colors indicate different compositions, and mixing antifreeze with different components can cause chemical reactions, leading to antifreeze failure and sometimes even solidification. Even if the antifreeze is the same color, different brands may use different stabilizers, and mixing them can reduce cooling and cleaning effectiveness. Therefore, it is best not to mix them. It is recommended to use antifreeze of the same brand and color. If antifreeze is accidentally mixed, the antifreeze in the radiator must be completely drained, rinsed with pure water, and then refilled. Antifreeze typically comes in colors such as green, blue, pink, and some may even have fluorescent effects. Generally, ethylene glycol is green, propylene glycol is blue, and glycerol is pink. The reasons manufacturers dye antifreeze different colors are as follows: Prevent Mixing: To avoid confusion with other liquids and prevent accidental ingestion, many manufacturers add different color formulations for distinction. Easy Leak Detection: When the engine leaks, the color makes it easy to identify during inspection and repair. Safety Considerations: These chemical components in the engine are toxic, so liquids like windshield washer fluid and antifreeze are dyed to prevent accidental ingestion.