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Use   -            Nitrite-free coolant protector for year-round use in modern, water-cooled petrol and diesel engines. AVIA ANTIFREEZE APN before mixing into the cooling circuit with clean, not too hard water. Use in a concentration of 33 to 50% by volume. AVIA ANTIFREEZE APN should not be used for corrosion protection reasons In galvanized containers. Description   - Coolant Protector based on monoethylene glycol with a proven hybrid inhibitor package consisting of silicates and salts of organic acids. Nitrite, amine and phosphate free. AVIA ANTIFREEZE APN reliably protects the cooling system of motor vehicles against frost and overheating. Corrosion and deposits in the cooling channels in the cylinder head and engine block, cooler, water pump and heating heat exchanger are permanently prevented by the effective formulation. If possible, AVIA ANTIFREEZE APN should not be mixed with silicate-free refrigerants. Qualification   - ASTM D 3306, ASTM D 4985, SAE J1