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Branched Alkylbenzene refrigeration lubricants
Gruebb GB-3138-68
PRODUCT DESCRIPTION
Gruebb GB-3138-68 is a high quality branched type synthetic alkylbenzene (BAB) refrigeration lubricant and is intended for particularly arduous conditions. The lubricant is designed to be used with halogenated refrigerants in both refrigeration and air-conditioning applications. Gruebb GB-3138-68 is an excellent lubricant for systems using R-22 and R717. This oil may also be used where high refrigerant lubricant solubility is required. Gruebb GB-3138-68 may be recommended for use in Screw type compressor refrigeration systems.
Some advantages of using the Gruebb GB-3138-68over the traditional mineral oils are:
Better Oil Return,Superior Chemical and Thermal Stability
Better System Efficiency,Lower Foaming Tendency
Lower Floc Point,Excellent Miscibility
Superior Cleanliness
TYPICAL PROPERTIES
Gruebb GB-3138-68 |
Standard Specification |
Appearance |
Light yellow transparent liquid |
Density，20℃，g/cm3 |
0.864 |
Kinematic Viscosity@40℃，mm2/s |
68.12 |
Kinematic Viscosity@100℃，mm2/s |
6.41 |
Viscosity Index |
-11 |
Pour Point，℃ |
-33 |
Copper Corrosion，100℃，3h |
1 |
Flash Point，Open Cup，℃ |
188 |
Fire Point，℃ |
204 |
*These values are not intended for use in preparing specifications.
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