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Ethylene glycol coolant is a type of antifreeze used in automotive cooling systems to regulate engine temperature and prevent freezing. It is a colorless, odorless liquid that effectively lowers the freezing point and raises the boiling point of the coolant mixture, ensuring optimal performance under various temperature conditions. Ethylene glycol is often mixed with water to create a coolant solution that protects the engine from overheating and corrosion.
| Composition | Ethylene glycol and water |
| Freezing point | Typically around -30°C to -50°C |
| Boiling point | Typically around 100°C to 130°C |
| pH level | Usually between 7.0 and 11.0 |
| Color | Varies (green, orange, pink, blue) |
| Concentration | Commonly 50% ethylene glycol and 50% water |
When selecting ethylene glycol coolant, consider the specific requirements of your vehicle or equipment, including the recommended concentration and any manufacturer specifications. It's important to check for compatibility with existing fluids and materials in the system. Buyers should also specify any desired certifications, such as ASTM or SAE standards, and consider the quantity needed for maintenance or refills.
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It regulates engine temperature and prevents freezing.
Mixing different colors is not recommended as it can affect performance.
Typically every 2 to 5 years, depending on the vehicle and coolant type.
It is toxic if ingested, so handle with care and store safely.
A common mix is 50% ethylene glycol and 50% water.
Check your vehicle's specifications, as some may require specific types.