Product Range — Coolants & Antifreeze

Engine coolant built for extreme heat, not just freeze protection.

Rovex Coolants & Antifreeze protect engines from boil-over in extreme Gulf and African heat as much as from freezing — German-formulated, blended in Saudi Arabia.

Coolants & Antifreeze
Why Rovex Coolants & Antifreeze

In our markets, heat protection matters more than freeze protection.

Most coolant marketing focuses on freeze protection, but across the Gulf and much of Africa, the bigger risk is boil-over and corrosion under sustained high ambient temperatures. Rovex Coolants are formulated for both ends — reliable freeze protection where needed, and strong corrosion inhibition and boil-over resistance for hot-climate, high-mileage operation.

Our Coolants & Antifreeze Range

Full coolant range — concentrate to pre-mixed, conventional to long-life.

Whether you need a quick top-up or a full long-life coolant system fill, Rovex covers the range.

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Conventional · Green

Rovex ThermoGuard Conventional Green

Traditional ethylene glycol coolant for standard cooling systems requiring conventional formulation.

Type IATSizes 1L · 4L · 20L
Benefits
  • Reliable freeze and boil-over protection
  • Compatible with conventional cooling system materials
  • Cost-effective for routine top-ups and full fills
Application
  • Older vehicles specifying conventional green coolant
  • General-purpose cooling system top-up
Storage & Caution
  • Store away from direct sunlight
  • Keep out of reach of children and pets — toxic if ingested
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Long-Life · OAT Red

Rovex ThermoGuard Long-Life Red

Organic acid technology (OAT) coolant for extended service-life cooling systems.

Type OATSizes 1L · 4L · 20L
Benefits
  • Extended service life versus conventional coolant
  • Strong protection for aluminium engine components
  • Reduced maintenance frequency for fleet operators
Application
  • Modern vehicles specifying long-life OAT coolant
  • Fleet operations prioritising reduced maintenance
Storage & Caution
  • Do not mix with conventional green coolant
  • Store sealed away from contamination
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Hybrid · HOAT

Rovex ThermoGuard Hybrid HOAT

Hybrid organic acid technology coolant compatible with a broad range of modern engines.

Type HOATSizes 1L · 4L · 20L
Benefits
  • Broad compatibility across modern engine designs
  • Balanced corrosion protection for mixed-metal systems
  • Good middle-ground service life and protection
Application
  • Modern mixed-fleet vehicles with varied OEM coolant specs
  • Workshops servicing multiple vehicle brands
Storage & Caution
  • Confirm OEM compatibility before mixing with existing coolant
  • Store away from heat and direct sunlight
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Concentrate · 100%

Rovex ThermoGuard Concentrate

Full-strength coolant concentrate for dilution to required ratio on-site.

Type ConcentrateSizes 5L · 20L · 209L
Benefits
  • Cost-effective for high-volume workshop and fleet use
  • Allows custom dilution ratio for climate conditions
  • Reduces shipping and storage volume versus pre-mixed
Application
  • Workshops and fleets requiring bulk coolant supply
  • Climates requiring custom dilution ratios
Storage & Caution
  • Dilute per manufacturer's recommended ratio before use
  • Store concentrate away from freezing temperatures
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Pre-Mixed 50/50

Rovex ThermoGuard Pre-Mixed 50/50

Ready-to-use coolant pre-diluted to a standard 50/50 ratio for convenience.

Type Pre-MixedSizes 1L · 4L · 20L
Benefits
  • Ready to use — no dilution required
  • Consistent protection ratio in every container
  • Convenient for quick top-ups and emergency refills
Application
  • Quick top-ups and routine maintenance
  • Workshops preferring ready-to-use convenience
Storage & Caution
  • Store sealed in a cool area
  • Shake before use if stored for extended periods
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Heavy-Duty Diesel

Rovex ThermoGuard HD Diesel

Coolant formulated for heavy-duty diesel engines with higher silicate/nitrite protection needs.

Type HD DieselSizes 4L · 20L · 209L
Benefits
  • Formulated for heavy-duty diesel engine cooling systems
  • Additional protection against cavitation erosion
  • Suited for trucks, buses and diesel generators
Application
  • Heavy-duty truck and bus diesel engines
  • Diesel generators and industrial diesel cooling systems
Storage & Caution
  • Test coolant condition per heavy-duty maintenance schedule
  • Store away from contamination sources
Where It's Used

Protecting against heat first, freeze second.

Rovex Coolants are formulated with Gulf and African operating realities in mind — sustained high heat, mixed-metal engines, and long-haul fleet use.

01

Passenger Vehicles

Daily-use cars and light commercial vehicles.

02

Heavy-Duty Fleets

Trucks, buses and diesel generators under sustained load.

03

Workshops

Multi-brand service centres requiring varied coolant types.

04

Hot-Climate Operation

Vehicles and equipment running in sustained high ambient heat.

Common Questions

Coolants & Antifreeze FAQs

Can I mix different colours of coolant?

Generally no — different coolant technologies (IAT, OAT, HOAT) use different colour conventions and chemistries, and mixing them can reduce corrosion protection or cause gelling. Always check compatibility first.

How important is boil-over protection in hot climates like the Gulf?

Very important — in sustained high ambient temperatures, boil-over and corrosion are often bigger risks than freezing, which is why our formulations prioritise heat protection for regional conditions.

What's the difference between coolant concentrate and pre-mixed coolant?

Concentrate must be diluted with water before use, typically at a 50/50 ratio, and is more economical for bulk use. Pre-mixed coolant is ready to use straight from the container.

Do you supply coolant in bulk for fleet workshops?

Yes. Rovex Coolants are available in bulk drums and concentrate for fleet workshops and distributors across the Gulf and Africa.

Need the right coolant for your climate and fleet?

Talk to our team for product recommendations, technical data sheets, or distributor pricing.

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