| 摘要 |
The invention relates to a fluid for the protection of metal surfaces. According to the invention, the fluid comprises 19 ...40 % of refined white-spirit, 16...25 % of naphthenic oil with kinematic viscosity at a temperature of 50 degree C from 12 ...16 cSt, 25 ....35 % naphthenic oil with kinematic viscosity at a temperature of 20 degree C of maximum 30 cSt, from 10 to 17 % alkanolamide-type, anti-corrosive additive of fatty acids, 0.5 ...1.5 % rust preventing additive of dodecyl-succinic anhydride type with propylene glycol and 3.5 ...7.5 % of nonylphenol-ethoxylated polyglycol ether with 4 moles of ethylene oxide, the percentage being expressed by weight.
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