Winter Tip # 3
Antifreeze: Don’t even think about it!
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Every winter I run into the same question, “Is it safe to add antifreeze to my coolant?” And every year my answer is the same, “NO!” Coolant is expensive, machines are really expensive and adding antifreeze to your sump will ruin both. Don’t do it.
Ethyl glycol (EG) is the main ingredient in most automotive antifreezes because of its low freezing point. When antifreeze is mixed with cutting fluid, especially water-soluble oils and semi-synthetics, the EG causes the cutting fluid to separate, eliminating all of the beneficial properties of the fluid. Your cutting fluid won’t freeze but your machine and parts will rust and you will burn through your tools.
For a better solution see Winter Tip # 4 above.
You are visiting the blog of ITW ROCOL North America. For more information please visit their website at www.rocolnorthamerica.com.Tags: antifreeze, coolant, lubricants, metalworking fluids, winter
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