Syltherm XLT Silicone Heat Transfer Fluid
Syltherm XLT is a premium silicone heat transfer fluid engineered for low-temperature heating and cooling systems where exceptional thermal stability, low viscosity and long service life are essential.
Designed for reliable heat transfer across a wide operating range, Syltherm XLT is widely used in pharmaceutical manufacturing, chemical processing, environmental testing and laboratory temperature control systems.
As an authorised supplier of Syltherm heat transfer fluids, Withnell Sensors provides expert advice on selecting the right silicone thermal fluid for your application, whether you’re replacing an existing fluid, commissioning a new system or comparing Syltherm XLT with alternatives such as Syltherm HF.
- Premium silicone heat transfer fluid for low-temperature systems
- Excellent thermal stability and long service life
- Technical support and UK supply from Withnell Sensors
Excellent Low Temperature Performance
Maintains reliable heat transfer at very low operating temperatures while remaining easy to pump and circulate.
Transport
Outstanding thermal and oxidation stability helps maximise fluid life and minimise maintenance.
High Purity Silicone Fluid
Manufactured for demanding laboratory and industrial process applications where consistent thermal performance is essential.
Expert Technical Support
Withnell Sensors provides application advice, fluid selection and ongoing technical support for Syltherm products.
Syltherm XLT silicone heat transfer fluid is suitable for a wide range of low-temperature thermal management applications, including:
- Industrial process temperature control
- Environmental test chambers
- Climatic chambers
- Pharmaceutical manufacturing
- Chemical processing
- Pilot plants
- Laboratory reactors
- Process cooling systems
- Temperature control units
- Heat transfer loops
- Research laboratories
- Biotechnology
Syltherm XLT has been developed to deliver reliable thermal performance across demanding laboratory and industrial applications.
Key features include:
- Silicone heat transfer fluid designed for low-temperature operation
- Excellent low-temperature pumpability
- Low viscosity for efficient circulation
- Outstanding thermal stability
- Long operational life
- Low maintenance requirements
- High resistance to oxidation
- Excellent heat transfer performance
- Suitable for heating and cooling systems
- Compatible with a wide range of laboratory and industrial temperature control equipment
Dow SYLTHERM XLT is a silicone-based heat-transfer fluid designed for liquid-phase heating and cooling across a wide operating range. Its low freezing point and low-temperature pumpability make it particularly suitable for systems that need reliable performance from -100°C to +260°C.
| Specification | Dow Syltherm XLT |
|---|---|
| Fluid base | Silicone |
| Freezing point | Below -111°C |
| Operating temperature range | -100°C to +260°C |
| Product type | Siloxane polymer heat-transfer fluid |
| Application | Heating and cooling |
Why Choose Syltherm XLT?
Syltherm XLT is trusted worldwide for applications requiring dependable low-temperature thermal performance, combining excellent fluid stability with efficient heat transfer and long operating life
Its silicone-based formulation delivers reliable performance across demanding laboratory and industrial processes while helping reduce maintenance and maximise system uptime.
As a specialist supplier of temperature control solutions, Withnell Sensors provides more than just the fluid itself. Our team can help specify the correct Syltherm product, advise on system compatibility and support ongoing operation, ensuring you achieve the best possible performance from your thermal management system.
DOWNLOAD
Download the Syltherm XLT Data Sheet
Download the Syltherm XLT Data Sheet
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