Product Catalog

Refrigeration oil (L-DRC/B)

Refrigeration oil L-DRC/B is a high-quality lubricant designed for refrigeration equipment. It has excellent chemical and thermal stability and is suitable for various types of refrigeration compressors, especially in systems using halogenated hydrocarbon refrigerants. It can ensure the stable operation of the compressor, reduce maintenance costs, and extend the service life of the equipment. It is made of deeply refined mineral oil and added with antioxidants and anti-wear agents.

Performance Test Results

Brand	22	32	56	100
Kinematic viscosity, mm 2 /s 40℃	19.8~24.2	28.8~35.2	52.0~58.0	90.0~110
Color, size not greater than	1.0	1.0	1.5	2.5
Flash point (open), ℃ not less than	160	165	180	190
Pour point, ℃ not higher than	-42	-39	-30	-25
Flocculation point, ℃ not higher than	-47	-45	-42	-35
Acid value, mg (KOH) / g not more than	0.03	0.03	0.03	0.03
Rust test (copper sheet, 100℃, 3h), level not more than	1	1	1	1
Compatibility with refrigerantsTwo-layer separation temperature (oil/Freon 22 ratio is 20/80),No higher than	+5	+5	+12	+35
Breakdown voltage, KV not less than	30	30	30	30
Trace amount of water, mg/kg not more than	30	30	30	30
Mechanical impurities, % (mass fraction)	none	none	none	none
Chemical stability with refrigerants (R-22, 175℃, 14 days) color, size no greater than	3.0	3.0	5.0	5.0
Foamability mL/mL 24℃ No more than 93.5℃ No more than After 24℃ No more than	50/0 50/0 50/0	50/0 50/0 50/0	50/0 50/0 50/0	50/0 50/0 50/0
Extreme pressure performance (Francis A method) Failure load, 1bf not less than	500	550	600	650

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