Mastercool SR 68 Ultra is a superior performance, chemically inert, fully synthetic refrigeration lubricant intended for use in ammonia refrigeration compressors with R-717 gas. It contains special additives for oxidation inhibition, corrosion protection and well as pour point depression and defoaming. Thanks to its state-of-the-art formulation, it shows exceptional low temperature performance and outstanding oxidation stability. It contains base oils of high chemical stability and show a low tendency to evaporation. Mastercool SR 68 Ultra lubricants have been designed especially for highly loaded screw-type and reciprocating piston compressors which are operated with ammonia (R717) or CO2(R744).

You can request technical information (PI) and the SDS sheet from;  teknik@master-lub.com