Hydraulic fluid and method of preventing vapor corrosion

Hydraulic fluid and method of preventing vapor corrosion

  • CN 102,137,919 A
  • Filed: 08/21/2009
  • Published: 07/27/2011
  • Est. Priority Date: 08/28/2008
  • Status: Active Application
First Claim
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1. hydraulic fluid, it comprises:

  • (a) about 25 weight % are to the glycol of about 50 weight %;

    (b) about 0.5 weight % is to the part neutral aliphatic series C of about 8 weight % 6-C 16Carboxylic acid;

    (c) about 15 weight % are to the polyalkylene glycol of about 40 weight %;

    (d) 0.05 weight % is to the ammonium salt of about 1 weight %;

    (e) buffer base (BB) of q.s is so that provide reserve alkalinity at least about 20ml;

    (f) amount to about 0 weight % to one or more of defoamer, dyestuff and the metal passivator of about 0.5 weight %;

    With(g) about 25 weight % are to the water of about 50 weight %.

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