TRZ 4-in-1 Rifrattometro Antigelo Glicole Etilenico, Glicole Propilenico in

And they can also be used to test the concentration of ethylene glycol or propylene glycol in antifreeze Fluids. Ethylene Glycol: -84°F-32°F 0-70% VOL. Propylene Glycol: -60°F-32°F 0-63% VOL. • Freezing point of ethylene glycol-based antifreezes and coolants.

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