Do you always have to use a new unopened bottle of Ester oil? What I mean is does it absorb moisture like brake fluid does? Would it hurt to use a bottle that has been open for a year to flush out a compressor? By open I mean with the seal broken, it still had the cap on it of course.
Yes, esters will absorb moisture. No, for the cost of a new bottle of lubricant...why take the chance. Spend the extra $$$ and purchase the new uncontaminated lubrican.
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The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government.
Thomas Jefferson
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