STARKOL ANTIFREEZE & COOLANT OAT SERIES
Concentrated & Ready to Use | Red
Product Overview
STARKOL Antifreeze & Coolant OAT Series is an ethylene glycol based long life coolant formulated with Organic Acid Technology (OAT). It provides extended protection against freezing, overheating and corrosion, especially in modern aluminum and mixed-metal cooling systems, ensuring stable engine temperature and reduced maintenance requirements.
The product is available in concentrated and ready to use (pre-mixed) versions in red color, suitable for vehicles requiring OAT type coolant technology.
• Long life protection against freezing and overheating
• Advanced corrosion protection for aluminum and mixed-metal systems
• Excellent thermal stability and extended service intervals
• Compatible with modern engine cooling system materials
• Available in both concentrated and ready to use forms
Dosage & Treat Rate
• Concentrated version:
Dilute with demineralized water before use.
o 33% Antifreeze : 67% Water → protection to -20 °C
o 50% Antifreeze : 50% Water → protection to -36 °C
Do not use concentrations above 70% or below 33%.
• Ready to Use version:
Use directly without dilution. Provides protection down to -25 °C.
| Property | Concentrated | Ready to Use |
|---|---|---|
| Appearance | Red liquid | Red liquid |
| Density @20 °C | ~1.120 g/cm³ | ~1.050 g/cm³ |
| pH (50% dilution) | 7.5 – 8.5 | 7.5 – 8.5 |
| Boiling Point | >160 °C | approx. 105 °C |
| Freezing Point | -36 °C (50%) | -25 °C |