Alternatives to Marlotherm LH Armcoltherm 650 Thermal oil (-60℃~340℃) Armcoltherm 650 is similar to Marlotherm LH. It is a high-performance organic synthetic heat transfer oil, due to its good viscosity characteristics, it has super self-purification, can be used as a low-temperature refrigerant, and is an ideal heat transfer medium in the heating and cooling process. It is very suitable for use in cold areas, without heat tracing, excellent thermal stability, very suitable for long-term use above 300 °C, and no obvious change after several years, especially suitable for styrene ethylbenzene unit, PBAT, phthalic anhydride and other industries. Typical physical properties Property Units Value Appearance Clear,yellow liquid Average Molecular Weight - 184 Density at(20℃) kg/m3 993 Maximum bulk Temperature ℃ 340 Extended Maximum Use Temperat…