1. ZK antifreeze coolant meets ASTM specification.        D3306 for automobiles and light trucks and ASTM        D4985 for heavy duty truck It contains less than 250

2.  Recommended for water-cooled engine cooling system.

3.  It is applied to gasoline,diesel to power a variety of commercial vehicles,trucks,sport utility vehicle and a variety of fixed-engine cooling system. 4.  It has different freezing points:-25°c,-30°c,-35°c,-40°c,-45°c.

coolant for different vehicles