Reply from PEAK tech Dept.
> Thanks for your e-mail. PEAK LONG LIFE ANTIFREEZE/COOLANT utilizes
> acid technology (OAT). It meets ASTM Test Specification D-3306 and
> which are the industry accepted quality standards for automotive coolant.
> In addition, it also meets or exceeds Manufacturer's performance
> requirements. This formulation provides 5 years or 150,000 miles of
> maximum corrosion protection for all makes and models of gasoline and
> duty diesel engine cooling systems when a complete cooling system flush
> fill is performed.
> The Extended Life corrosion inhibitor technology used in PEAK LONGLIFE
> ANTIFREEZE/COOLANT has been used extensively and found to be compatible
> with all known coolant technologies currently in use today. This allows
> you to add it to your vehicle's cooling system without any detrimental
> effects. For maximum benefits a complete cooling system flush and fill
> You may safely use the PEAK LONG LIFE ANTIFREEZE in your Acura.
> PEAK Tech Dept.