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Master Bond adhesives
Phillips 66 ISO Grade 32/46 Heat Transfer Oils
Categories: Fluid; Lubricant

Material Notes: Heat Transfer Oils are high-quality straight or inhibited mineral oils developed for use in open and/or closed liquid-phase heat transfer systems. They have excellent thermal stability and provide excellent resistance to cracking and sludge formation for long service life. They are not recommended for use in vapor-phase heat transfer systems. Heat Transfer Oil 32/46 is a straight paraffinic mineral oil recommended for use in closed systems operating under relatively mild conditions. Heat Transfer Oils 32 and 46 are paraffinic mineral oils fortified with select additives that provide enhanced oxidation resistance for long service life, and detergency to help keep the system clean for maximum heat transfer efficiency. They are recommended for use in both open and closed systems operating under more severe conditions.

Applications: Heat Transfer Oil 32/46 is recommended for use in closed liquid-phase heat transfer systems equipped with a cold-oil seal pot on the expansion tank vent, or operating with low-pressure nitrogen blanketing of the oil so there is no possibility of air contacting the oil during operation. For best performance, the maximum bulk oil temperature should not exceed 550°F (288°C). Heat Transfer Oils 32 and 46 are recommended for use in closed liquid-phase heat transfer systems equipped with expansion tanks and pressure relief valves, where the maximum bulk oil temperature does not exceed 550°F (288°C). Preventive measures should be taken to minimize oil oxidation by eliminating air from the system prior to bringing the oil up to operating temperature. The use of an inert gas, such as nitrogen, under positive pressure in the expansion tank is recommended at all times during operation. Under no circumstances should the hot oil come into contact with air. Heat Transfer Oils 32 and 46 also are recommended for use in open liquid-phase heat transfer systems equipped with cold-oil sealed expansion tanks, where the maximum bulk oil temperature does not exceed 374°F (190°C). Some common heat transfer applications include:

  • Direct and indirect-fired hot oil heaters in asphalt plants
  • Hot corrugation and gluing
  • Dehydration
  • Molding and extrusion equipment
  • Plastic and wax coating equipment
  • Organic synthesis hot oil systems
Features/Benefits:
  • Excellent resistance to thermal breakdown at high temperatures
  • Excellent performance in both open and closed heat transfer systems
  • Long service life
  • Excellent deposit control
  • Low odor
  • Noncorrosive

Information provided by Phillips 66 Lubricants.

Vendors:
Available Properties
  • Specific Gravity
  • Density
  • Viscosity Measurement, Index
  • Saybolt Viscosity at 100°F
  • Saybolt Viscosity at 210°F
  • Kinematic Viscosity at 40°C (104°F)
  • Kinematic Viscosity at 100°C (212°F)
  • ASTM Color, ASTM D1500
  • Total Acid Number, ASTM D974, [mg KOH/g]
  • Pour Point
  • Flash Point, COC
  • Ignition Temperature, ASTM E659, Autoignition
  
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