Independent tests reveal AMSOIL Antifreeze/Coolants greatly surpass standards for metallic corrosion and erosion, achieving nearly perfect scores in ASTM corrosion and erosion testing on cast aluminum cylinder heads, steel, copper, solder, brass and cast iron and aluminum water pumps.
- Pre-mixed 50/50 with high-purity water.
- Fully formulated: DOES NOT require the use of supplemental coolant additives (SCAs) or extenders.
- Proprietary hybrid organic acid (HOAT) formulation is further enhanced with anti-scalant, anti-fouling and water-pump lubrication additives.
- Phosphate-, nitrate-, nitrite-, silicate-, borate and amine-free.
- Boil-over protection up to 265°F with a 15 psi radiator cap.
- Freeze protection down to -34°F.