The HT II 150 stands for Heat Transfer Oil (Rated ISO 22). It is an industrial oil meant to be used in heat transfer systems. The lubricant is mineral based and has exceptional oxidation stability and resists thermal decomposition effectively.


Exceptional Oxidation stability

Anti wear properties

High temperature stability


The HT II 150 industrial lubricant oil can be used in any heat transfer system, such as those used in generators, provided that a few conditions are met: The heat transfer system should have  an expansion vessel and a proper circulation speed. The  maximum suitable temperature for the machine oil  is 315℃ for the lubricant and 340℃ for the film.

API performance Level

ISO             150


Parameters Test Methods Unit Result
Density at 15 ASTM D4052 g/ml 0.870
Density at 200 ASTM D4052 g/ml 0.746
Density at 300 ASTM D4052 g/ml 0.680
Kinematic Viscosity at 40 ASTM D445 mm²/s 30.3
Kinematic Viscosity at 100 ASTM D445 mm²/s 5.4
Pour Point ASTM D6892 -9
Flash Point ASTM D92 208
Viscosity Index ASTM D2270 113
A.N (Colorimetric) ASTM D2896 mg KOH/g 0.01

The HT II 150 is an industrial oil meant for heat transfer systems, with a mineral base and great temperature stability. The purpose of the HT II 150 like any other heat transfer oil is to transmit heat from one application to the other.

The HT II 150 industrial lubricant oil boasts exceptional oxidation resistance,  wear protection and  high temperature stability.

The HT II 150 will keep your  machine  running without overheating  it. It will thus keep your engine running and prolong the life of your engine, thereby  improving energy efficiency.

No, it is not recommended to mix your HT II 150 industrial lubricant oil with other oils as it serves a distinct purpose and may fail to deliver if contaminated.

Yes indeed, the HT II 150 is very suitable for hydraulic systems provided the requirements of the system match the machine oil’s specifications. Make sure to cross check the equipment manual.

The HT I 150 oil change frequency depends upon the equipment being used and the load on it. Consult your equipment manual for guidance.

HT II 150 machine oil being a heat transfer oil, is used by any industries that have heat transfer systems, these include manufacturing industries, Pharmaceutical industries, Boilers and heat exchanges etc.

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