ES Compleat OAT (organic acid technology) coolant is a nitrite, amine and phosphate free (NAP-free) formulation.
- Does not contain borate or silicate, which makes it acceptable to most OEM's around the world
- Offers solid liner pitting protection and better aluminum protection than conventional OAT coolants containing nitrite
- Testing confirms the NAP-free coolant provides the anti-freeze, anti-boil, heat transfer and corrosion protection required of fully formulated, heavy-duty antifreeze/coolant
- Meets ASTM and performance specifications of most major OEMs
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