Thermal oil solutions you can rely on.
Marlotherm® SH: the ultimate heat transfer solution
Introducing Marlotherm® SH, a low-viscosity, synthetic organic heat transfer medium designed for closed, forced-circulation heat transfer systems. Renowned for its outstanding performance in both low-temperature start-ups and high-temperature operations, Marlotherm® SH is your go-to thermal oil for ensuring long-term efficiency and reliability. Unlike many other fluids, Marlotherm® SH operates across a wide temperature range without needing pressurization, thanks to its boiling point being well above the typical use.
Marlotherm® SH is best suited for indirect heating of reactors, polymerization vessels and distillation columns of processing machines and dryers, as well as heat exchangers in process plants and heat recovery systems.
Temperature range
-15° to 325°C
Recommended bulk temp °C
325
Max. extended bulk temp °C
350
Max. film temp °C
380
Boiling point °C @ 1013 mbar
392
Pumpability °C @ 300 mm²/s (cSt)
-1
Pour Point °C
-34
Flash Point °C (ASTM D92)
219
Autoignition Temp °C (DIN 51794)
500
Autoignition Temp °C (ASTM E-659)
459
Density @ 20°C (kg/m³)
1042
Kinematic viscosity @ 40°C (mm²/s)
16,9
Water Class
WGK 3
Benefits of Marlotherm® SH for your heat transfer system:
Marlotherm® SH isn't just another heat transfer fluid; it's a commitment to excellence, safety, and cost-effectiveness. Here's why Marlotherm SH should be your top choice:
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wide operating temperature range – Marlotherm® SH excels in a vast temperature range from -20°C to 350°C (-4°F to 662°F). Whether you need high-temperature heating or low-temperature cooling, Marlotherm® SH provides the versatility your processes demand.
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superior thermal stability – with Marlotherm® SH, you benefit from thermal stability, capable of enduring prolonged high temperatures without degradation. This stability ensures consistent thermal performance and significantly reduces fluid replacement frequency and downtime.
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low vapor pressure – enjoy safer, more efficient operations with Marlotherm® SH's low vapor pressure, which minimizes fluid loss through evaporation and prevents pressure-related system issues.
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high heat transfer efficiency – Marlotherm® SH boasts high thermal conductivity and specific heat capacity, facilitating rapid heating and cooling. This efficiency enhances the overall performance of your thermal processes while reducing energy consumption.
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low viscosity – the fluid's low viscosity across a broad temperature spectrum ensures excellent fluidity and reduces pumping energy requirements, thereby lowering operational costs.
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exceptional oxidation resistance – Marlotherm® SH resists oxidation effectively, preventing the formation of system-clogging sludge and varnish, thus reducing maintenance requirements and keeping your system clean and efficient.
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material compatibility – this fluid is compatible with a wide range of materials, including metals and seals, reducing corrosion risks and prolonging the lifespan of system components.
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reduced maintenance costs – the fluid's stability and oxidation resistance lead to fewer maintenance interventions and lower costs over time, making Marlotherm® SH a cost-effective solution.
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cost-effectiveness – while synthetic fluids like Marlotherm® SH might have a higher upfront cost compared to mineral oils, their long service life and reduced maintenance needs ensure lower overall operational costs.
Marlotherm® SH is a versatile solution suitable for a variety of applications, including:
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indirect heating – ideal for reactors, polymerization vessels, distillation columns, processing machines, driers, and heat exchangers in process plants.
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plastics and polymer manufacturing – ensures uniform heat distribution for molding and extrusion processes.
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specialty chemical manufacturing – ideal for precise temperature control in chemical processes.
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food & beverage processing – maintains consistent temperatures for safe and efficient food processing and packaging.
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Organic Rankine Cycle (ORC) – supports efficient thermal energy conversion.
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biofuel manufacturing – provides reliable heating for biofuel production.
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Medium Density Fiberboard (MDF) – facilitates the manufacturing process by ensuring optimal temperature control.
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desalination – helps in efficient heat transfer for water desalination processes.
For more information about Marlotherm® SH:
- Marlotherm SH Safety Data Sheet (DE)
- Marlotherm SH Safety Data Sheet (EN)
- Marlotherm SH Safety Data Sheet (IT)
- Marlotherm SH Safety Data Sheet (PL)
- Marlotherm SH Technical Data Sheet (EN)
- Marlotherm SH Product Information (EN)
- Heat Transfer Fluids – Mehr als 50 Jahre erfolgreiches Temperaturmanagement (DE)
- Heat Transfer Fluids – More than 50 Years of Experience in Managing Temperature (EN)
- Thermoölanlagen sicher und effizient betreiben – White Paper (DE)
- Operating Thermal Oil Plants safely and reliably – White Paper (EN)