Asian Vehicle Blue Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA. Asian Vehicle Blue Antifreeze/Coolant is proven to maximize engine life in vehicles made by Asian auto manufacturers such as Acura, Honda, Infiniti, Nissan and others which specify a blue formula that’s silicate and borate-free with HOAT (Hybrid Organic Acid Technology).