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Antifreeze agent is the most popular phrase on the web.

Anti-freezing agent 110,500 results on the web	Antifreeze agent 125,800 results on the web More popular!
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One of the contaminants that has been detected is diethylene glycol, an anti freezing agent which is toxic for humans.	At temperatures below 2,5 �C, 20 % ethylene glycol can be added to the solution as an antifreeze agent.

Anti-freezing agent

110,500 results on the web

Antifreeze agent

125,800 results on the web

More popular!

At temperatures below 2,5 �C, 20 % ethylene glycol can be added to the solution as an antifreeze agent.