Trade Direct Long Life OAT Coolant Concentrate is a premium quality coolant that has been independently verified to all relevant ASTM’s for automotive and heavy duty diesel use. This coolant provides maximum protection against ‘hot spot’ corrosion, common in aluminium cylinder heads. Trade Direct Long Life AC-9 coolant uses Carboxylate technology to provide a long drain service life of up to 10 years / 1,000,000kms* in automotive applications and up to 6 years 600,000kms / 6,000hrs* in heavy duty diesels. This has obvious environmental advantages as a result of fewer coolant changes. There are no harmful effects on hoses or gaskets. (* at 50/50 dilution ratio) Has a proven record over many years with marine engines, mining equipment, taxi fleets, government departments, bus companies and several large fleet truck companies.
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