ASUKI® EXTRA COOL 追加の is a Prediluted coolant, based on ethylene glycol. The product is engineered for automotive cooling systems in accordance with the requirements of Japanese standard JIS K 2234 for Super Long Life Coolant. It is also suitable for cooling systems of other passenger cars and commercial vehicles of various OEM. ASUKI® EXTRA COOL 追加の contains an effective package of additives and inhibitors for long protection of cooling systems of internal combustion engines, including those with application of aluminum alloys. The formulation, which is free from silicates, nitrates, borates and amines, provides decrease of hard deposits and extends service life of water pumps.