Ethylene glycol antifreeze is an indispensable cooling medium for the normal operation of liquid-cooled engine cooling system. Taking the car as an example, the main function of antifreeze is to prevent the coolant from freezing and cracking the radiator and freezing the engine cylinder block or cover when parking in the cold winter, and in the summer when the temperature is higher, it can effectively prevent boiling. Ethylene glycol is a colorless, transparent, slightly sweet and hygroscopic viscous liquid that can be dissolved with water in any proportion. The freezing point varies with the concentration of ethylene glycol.

Antifreeze Digital Refractometer can accurately measure the refractive index/concentration/freezing point of antifreeze, convenient and fast.