Product Description

CALFLO™ LT is a synthetic blend heat transfer fluid engineered for applications requiring high thermal efficiency across a wide operating temperature range, from extreme cold startups to elevated bulk temperatures. Manufactured by Petro-Canada, this advanced fluid combines synthetic poly-alpha-olefins (PAO) with 99.9% pure, severely hydrocracked VHVI base fluids produced using the patented HT purity process—crystal-clear fluids free of impurities and aromatic compounds that can be hazardous to workplace health and safety. Fortified with specially selected additives developed through more than 25 years of formulating expertise, CALFLO™ LT delivers stronger resistance to oxidative breakdown than competitive synthetic fluids while maintaining outstanding low-temperature pumpability. Operating continuously at bulk temperatures up to 288°C (550°F) with cold startup capability to -40°C (-40°F), this fluid eliminates the need for expensive heat tracing and insulation in outdoor applications while providing the thermal stability typically associated with synthetic aromatic fluids—without the objectionable odors or health and safety concerns.

  • Wide Operating Temperature Range: Provides high thermal efficiency from 5°C to 288°C (41°F to 550°F) continuous operation with cold startup pumpability to -40°C (-40°F).
  • Extreme Low-Temperature Performance: Pour point below -57°C (-71°F) ensures reliable cold-weather pumpability, eliminating costly heat tracing and insulation requirements.
  • Superior Thermal Stability: Maintains autoignition temperature throughout accelerated thermal stress testing while competitive synthetic paraffin fluids experience significant degradation.
  • Outstanding Oxidation Resistance: Demonstrates virtually no acid formation or viscosity increase in severe oxidation testing—outperforming both synthetic paraffin and synthetic aromatic competitive fluids.

Applications

Chemical Processing

Pharmaceutical Manufacturing

Refinery Operations

Grease Plants

Exothermic Reactor Control

Endothermic Reactor Heating

Plastic Molding Systems

Combined Heating/Cooling Systems

Outdoor Process Equipment

Cold Climate Installations

Process Temperature Control

Industrial Drying

General Manufacturing

Benefits

Wide Temperature Range

Excellent Cold Pumpability

Extended Fluid Life

High Thermal Efficiency

Superior Oxidation Resistance

Low Vapor Pressure

Natural Lubricity

No Heat Tracing Required

Non-Hazardous

Non-Toxic

Virtually Odorless

Reduced Maintenance Costs

Easy Disposal

Product Availability

5 Gal (20 L)

55 Gal Drum (200 L)

Bulk (Totes / Tankers)

Product Data

PropertyValue
AppearanceCrystal Clear
Color (ASTM D1500)<0.5
CompositionPAO + Hydrocracked VHVI Base Oils + Additives
Base Oil Purity99.9% Pure HT Process
Max Bulk Operating Temperature288°C (550°F)
Recommended Operating Range5°C to 288°C (41°F to 550°F)
Cold Startup Pumpability-40°C (-40°F)
Pour Point (ASTM D5950)<-57°C (<-71°F)
Flash Point, COC (ASTM D92)176°C (349°F)
Fire Point, COC (ASTM D92)189°C (372°F)
Autoignition Temperature (ASTM E659)323°C (613°F)
Kinematic Viscosity @ 40°C (ASTM D445)7.5 cSt
Kinematic Viscosity @ 100°C2.2 cSt
Kinematic Viscosity @ 260°C0.6 cSt
Average Molecular Weight278
Neutralization Value, TAN (ASTM D664)<0.1 mg KOH/g
Sulfur Content (ASTM D4294)<0.0001 wt%
Density @ 15°C819 kg/m³ (51.1 lb/ft³)
Density @ 260°C658 kg/m³ (41.1 lb/ft³)
Weight per US Gallon @ 260°C5.4 lbs
Thermal Conductivity @ 15°C0.141 W/m·K
Thermal Conductivity @ 260°C0.121 W/m·K
Heat Capacity @ 15°C2.07 kJ/kg·K (0.49 Btu/lb·°F)
Heat Capacity @ 260°C2.91 kJ/kg·K (0.70 Btu/lb·°F)
Vapor Pressure @ 260°C28.8 kPa (4.18 psia)
Coefficient of Thermal Expansion0.1057%/°C (0.0587%/°F)
Distillation Range 10% (ASTM D7213)318°C (604°F)
Distillation Range 50% (ASTM D7213)338°C (640°F)
Distillation Range 90% (ASTM D7213)390°C (734°F)
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