antifreeze

2007-12-25View Original

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The antifreeze currently available on the market is generally an ethylene glycol aqueous solution, whose freezing point varies depending on the concentration of ethylene glycol in the solution. When the concentration is below 59%, an increase in the ethylene glycol concentration leads to a decrease in the freezing point; however, once the concentration exceeds 59%, the freezing point rises as the ethylene glycol concentration increases. Details are shown in the table below: Freezing point (°C) | Ethylene glycol concentration (%) –10 | 28.4 –40 | 54 –15 | 32.8 –45 | 57 –20 | 38.5 –50 | 59 –25 | 45.3 –45 | 80 –30 | 47.8 –30 | 85 –35 | 50 –13 | 100

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antifreeze

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