DELSTAR LL COOLANTS 50 (LL/HB COOLANT 50% RTU BLUE

Long Life Hybrid Engine Coolant — 50% Ready-to-Use (Blue)

A premium long-life hybrid engine coolant formulated from a glycol-based concentrate diluted at a 1:1 ratio (concentrate to water). This higher concentration formula provides enhanced protection against frost and overheating, making it ideal for demanding climates and high-performance engines.

Using a corrosion inhibitor package based on salts of organic acids and silicates, this hybrid coolant delivers the combined benefits of OAT and conventional silicate technology. Completely free of nitrates, amines, and phosphates, it is safe for all cooling system metals including aluminium, cast iron, steel, copper, and rubber components.

Key Applications

• High-performance petrol and diesel engines
• Trucks, buses, and heavy commercial vehicles
• Industrial and stationary engines in demanding environments
• Mixed-metal cooling systems with aluminium components
• Engines operating in high-temperature or high-load conditions

Product Highlights

• 50% concentration — ready to use, no mixing required
• Enhanced frost and overheating protection vs 33% formula
• Hybrid OAT/silicate formula for broad metal compatibility
• Free of nitrates, amines, and phosphates
• Long service life reduces coolant change intervals
• Compatible with most OEM coolant specifications
• Blue colour for easy identification

For engines that demand the highest level of cooling system protection, this 50% ready-to-use hybrid coolant is the premium choice for fleet operators, heavy vehicle owners, and industrial equipment managers.