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COOL-PLUS PAO GEN 400 is an ultra-high-viscosity premium synthetic refrigeration compressor lubricant formulated from advanced polyalphaolefin (PAO) chemistry. It is specifically engineered for extreme-duty, high-load industrial refrigeration and air conditioning systems operating with hydrocarbons, ammonia, or carbon dioxide refrigerants. This fluid features exceptional thermal and oxidative stability, preventing the oil from breaking down or thinning out under severe operating pressures and the highest discharge temperatures. Its heavy-duty viscosity profile and excellent shear stability ensure maximum wear protection for critical moving parts, significantly reducing mechanical friction under intense load conditions. Additionally, it offers outstanding low-temperature fluidity and a low pour point, preventing fluid gelling in the coldest sections of the cooling circuit. The advanced formulation also provides superb resistance to the formation of harmful varnish, sludge, and carbon deposits, keeping internal valves and system surfaces clean. Ultimately, this clean-running, high-viscosity lubricant helps minimize maintenance downtime, reduces overall oil consumption, and extends the operational life of demanding industrial refrigeration compressors.