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METALGUARD® A40

Light-Duty OAT Extended Life Additive Package

25+ years in coolant additives|Decades of chemical expertise| Global manufacturing and distribution

METALGUARD A40 is an all-organic OAT (organic acid technology) inhibitor package. It contains no borate, nitrate, nitrite, phosphate or silicate. A40 contains organic acids and azoles to provide complete metal protection and guard the cooling system against corrosion. Antifreeze made with A40 can be mixed with modern extended life coolants without precipitation problems.

METALGUARD A40 produces antifreeze that can meet the ASTM D3306 specification for light-duty coolants. Antifreeze/coolant made with A40 provides a service life of 5 years or 150,000 miles and is suitable for use in foreign and domestic passenger cars, vans, SUVs and light trucks requiring extended life antifreeze.

Specifications

Formulated to meet:
• ASTM D3306