Nitrate
– protects against pitting and crevice attack in
aluminum components
Nitrite
– prevents cylinder-liner pitting in cast-iron
components in heavy duty engines
Organic acids
– used as a replacement for other
inhibitors, such as silicate/silicone, nitrites, nitrate,
phosphates, amines and borates
Anti-foam
– added to AF/C to minimize foaming when
the coolant is mixed with water