synthetic refrigerator oil 4521 

         Our company is one of the leading dealers of Sinopec lubricants, and we can do lubrucants charging for your vessels when your vessels are berthing at any seaport in China Mainland, Hongkong and Singapore, etc

Marine lubricant ---   synthetic refrigerator oil 4521

SINOPEC  synthetic refrigerator oil 4521 is prepared by blending of synthesized oil as base stock, with various wel-chosen functional additives..

Advantages:

* very limited miscibility with ammonia, to minimize the oil content in system and keep a better heat-transfer performance

* better fluidity under lower temperature, higher anti-oxidation property and thermal/chemical stability and good compatibility with insulation and sealing materials to extend the life of use

* an acid-free additive package prevent the generation of fatty acid ammonium salt and forming of gum, varnish film and oil sludge, and thereby improve the equipment reliability and efficiency

* excellent performance at extreme temperatures to ensure normal operation of the system in wide temperature range.

Applications

* The oil is suitable to be used for lubrication of various refrigeration compressors using freon or ammonia as agent.

* While for the freon refrigerator, the temperature ranged between -60 ºC-150 ºC, even up to 170  ºC in a short term.

Typical Properties: