Mastercool SR 68 Ultra
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…

