As the leading ship supplier in Ross Dependency, Adding Chain To Anchor, we specialize in delivering high-quality Marine Grade Antifreeze with unmatched speed and reliability. Trusted by shipowners and masters worldwide, our team ensures your vessel gets everything it needs — on time, every time.
Marine Grade Antifreeze, Glycols are specialized coolants designed for marine engines to prevent freezing and corrosion.
They are typically propylene glycol-based, making them safer for aquatic environments compared to ethylene glycol.
These antifreezes also provide year-round protection against overheating and scale buildup in marine cooling systems.
Size: Typically available in 1-gallon, 5-gallon, and 55-gallon containers.
Grade: Marine Grade, ASTM D6216, ASTM D4985 compliant.
Viscosity: Approximately 5-6 cP at 20°C (68°F).
Buoyancy: Slightly denser than water (specific gravity ~1.1-1.2).
Material: Ethylene or Propylene Glycol-based with corrosion inhibitors.
Freeze Protection: -50°F to -100°F (-45°C to -73°C) depending on concentration.
Boiling Point: 223°F to 265°F (106°C to 129°C) at 50% concentration.
pH Level: 7.5-11 (alkaline to prevent corrosion).
Color: Typically pink, red, or green for easy identification.
Compatibility: Suitable for marine engines, aluminum, cast iron, and copper alloys.
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