Shell Heat Transfer Oil S2 is a high-performance mineral-based heat transfer fluid designed for use in closed, indirect heating systems, offering resistance to oxidation, cracking, and deposit formation at high operating temperatures.
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Shell Heat Transfer Oil S2

Old product name: Shell Thermia B

Shell Heat Transfer Oil S2 is a high-performance mineral-based heat transfer fluid designed for use in closed, indirect heating systems, offering resistance to oxidation, cracking, and deposit formation at high operating temperatures.

Category:

Shell Heat Transfer Oil S2

( Previously named: Shell Thermia B)

High-performance heat transfer oil for enclosed circulating systems in industrial and household applications

  • Formulated from highly refined mineral oils for thermal stability and long service life

  • Resists oil cracking, oxidation, and thickening, enabling extended maintenance intervals

  • Excellent system efficiency due to low viscosity and low vapour pressure

  • Minimizes formation of volatile decomposition products

  • High solvency reduces deposit formation and keeps internal surfaces clean

  • Suitable for film temperatures up to 330 °C and bulk temperatures up to 300 °C

  • Complies with ISO 6743-12 Family Q and DIN 51522 standards

  • Previously known as: Shell Thermia B

Global Product Code: 001D8388



Application:

Shell Heat Transfer Oil S2 is a high-performance fluid developed for use in indirect, closed heat transfer systems. Its formulation based on carefully selected and refined mineral oils ensures excellent performance in both industrial systems—such as chemical plants and textile production—and in domestic systems like oil-filled radiators.

Performance Features & Benefits:

  • Extended Oil Life: Resistant to cracking and oxidation, provided film temperatures do not exceed recommended limits.
  • Efficient Heat Transfer: Low viscosity and vapour pressure support effective circulation and heat transfer with minimal energy loss.
  • Clean System Operation: High solvency helps prevent deposit buildup and maintains heat exchanger cleanliness.

Main Application Areas:

  • Enclosed, circulated heat transfer systems in industrial processes
  • Household heating systems including oil-filled radiators

Specifications & Approvals:

  • ISO 6743-12 Family Q
  • DIN 51522 compliant
  • Maximum film temperature: 330 °C
  • Maximum bulk temperature: 300 °C

Environmental & Safety Information:

  • Avoid skin contact. Use impervious gloves when handling used oil. Wash skin immediately with soap and water after contact.
  • Do not discharge into drains, soil, or water. Return used oil to authorized collection points.
  • Safety Data Sheet (SDS) available via inquiry

Technical Specifications:

Property Typical Value Method
Density @ 20 °C 857 kg/m³ ISO 12185
Flash Point (PMCC) 208 °C ISO 2719
Flash Point (COC) 220 °C ISO 2592
Pour Point –12 °C ISO 3016
Kinematic Viscosity @ 40 °C 29 mm²/s ISO 3104
Kinematic Viscosity @ 100 °C 5.1 mm²/s ISO 3104
Kinematic Viscosity @ 200 °C 1.4 mm²/s ISO 3104
Initial Boiling Point 330 °C ASTM D2887
Autoignition Temperature 332 °C DIN 51794
Neutralisation Value <0.2 mg KOH/g ASTM D974
Ash (Oxide) <0.01 % ISO 6245
Carbon Residue (Conradson) <0.01 % ISO 10370
Copper Corrosion (3h @ 100 °C) Class 1 ISO 2160
Coefficient of Thermal Expansion 0.0008 /°C –

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