National Petroleum Corporation of Namibia (PTY) Ltd

National Petroleum Corporation of Namibia (PTY) Ltd


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Description

Sasol Heat Transfer Oil 32 is a highly refined paraffinic oil, resistant to high-temperature cracking and oxidation.

Application

Sasol Heat Transfer Oil 32 has extended thermal stability at bulk oil temperatures of up to 300°C in enclosed heat transfer systems. Where it is exposed to air in open systems, the operating temperature of Sasol Heat Transfer Oil 32 must NOT exceed 180°C.

Features and Benefits

Circulation and thermal loading should be so designed as to ensure that the oil film temperatures at the heater surfaces do NOT exceed 320°C in closed systems or 200°C in open systems.It is essential to drain water condensate which accumulates in open systems and are not in continuous use.

Typical Characteristics

PropertyUnitsTypicalASTMIP
Property Units Typical ASTM IP
Viscosity     D445 71
@ 100°C mm²/s 5    
@ 40°C mm²/s 31    
Viscosity Index   100 D2270 226
Pour Point °C -12 D97 15
Flash Point (COC) °C 210 D92 36
Oxidation Stability h 2300 D943 157
Density kg/m3   D4052 139
@ 20°C   868    
@ 40°C   855    
@ 100°C   817    
Coefficient of Expansion per 1°C 0,00066    
Thermal Conductivity W/m°C 0,11    
Specific Heat Capacity* kJ/kg      
@ 40°C   1,9    
@ 100°C   2,3    
@ 200°C   3,0    
@ 300°C   3,2    

* = Specific heat capacity = 1,5 + 0,0036 x T(°C) SG

[where SG, specific gravity, = 0,881 – 0,00066 x T(°C)]


Storage and Handling

  • Use PVC, nitrile or other oil resistant gloves and protective clothing to prevent skin contact.
  • Where eye contact is a potential hazard, goggles should be worn.
  • Avoid temperatures above 80°C and strong oxidizing agents.
  • Ambient temperatures and atmospheric pressures normally encountered within buildings or roofed-over outdoor storage areas are acceptable.
  • Avoid entering areas where mists or vapours have built up as a result of abnormal temperatures or pressures without the proper breathing equipment and protective clothing.

Pack Information

Product CodePack Size
  20 L
  210 L
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