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Volvo Penta Coolant VCS and VCS Ready Mixed (yel- low) are based on Organic Acid Technology, OAT.
Volvo Penta Coolant and Coolant Ready Mixed (green) are silicate based.
Different types of coolant must not be mixed with each other.
Total solid particles
Silica (acc. ASTM D859)
<20 mg SiO2/l
Iron (acc. ASTM D1068)
Manganese (acc. ASTM D858)
Conductivity (acc. ASTM D1125)
Organic content, CODMn (acc. ISO8467)
<15 mg KMnO4/l