For automotive and industrial applications, ensuring effective engine protection against freezing and overheating is paramount. Ethylene Glycol (EG), a well-established chemical with CAS number 107-21-1, remains the primary component in most antifreeze and coolant formulations. Procurement managers and R&D scientists constantly seek to understand how to best utilize and source this vital ingredient.

The fundamental advantage of Ethylene Glycol in antifreeze is its ability to significantly depress the freezing point of water. When mixed with water, EG creates a solution with a much lower freezing point than pure water, thereby preventing the coolant from turning into ice and potentially damaging the engine block or radiator. Standard formulations often use a 50/50 mixture of EG and water to provide protection down to approximately -37°C (-34°F). Beyond freezing protection, EG also raises the boiling point of the coolant, helping to prevent engine overheating during summer months or under heavy load.

Key properties that buyers should focus on when looking to buy antifreeze raw material like Ethylene Glycol include its purity, density, and the absence of corrosive impurities. Industrial grade EG, with a purity of ≥99.0% and a density around 1.113-1.115 g/cm³, is generally sufficient for most antifreeze applications. However, it is crucial to source from a reputable ethylene glycol supplier who can guarantee the absence of contaminants that could lead to corrosion or premature system failure.

When selecting an ethylene glycol manufacturer, consider their production standards and quality control procedures. A reliable supplier will provide detailed product specifications and certifications, ensuring that the EG meets industry requirements. Many manufacturers also offer specific inhibited grades of EG, which contain additives to protect metal components within the cooling system from corrosion.

As a leading ethylene glycol manufacturer and supplier in China, we offer high-quality industrial grade EG specifically suited for antifreeze production. We understand the critical performance requirements of this application and ensure our product delivers superior freezing and boiling point protection. We invite you to contact us for a competitive quote per ton and to discuss your antifreeze raw material needs. Securing your supply from a trusted ethylene glycol manufacturer ensures the reliability and longevity of your cooling systems.