Petro-Canada CALFLO AF – High-Performance Heat Transfer Fluid for Closed Systems
Petro-Canada CALFLO AF is a non-toxic, zinc-free heat transfer oil based on ultra-pure base fluids. Designed for closed liquid-phase thermal systems, it provides superior oxidation resistance, long fluid life, and excellent heat stability – up to 316 °C operating temperature.
Key Benefits
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Outstanding resistance to oxidation and thermal degradation
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Extended fluid life with minimal sludge or deposits
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Maintains stable viscosity under heat stress
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Low tendency to form carbon residues
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Excellent thermal conductivity and specific heat
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Very low vapour pressure – reduces fluid loss and improves safety
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Non-irritating, odourless, and non-classified hazardous
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Provides natural lubricity to seals and circulating pumps
Applications
Suitable for:
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Heat transfer systems in plastics and rubber processing
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Die-casting, moulding and extrusion equipment
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Industrial oil heaters and closed-loop circulation systems
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Systems exposed to air intake via expansion tanks
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Operating temperatures up to 316 °C (liquid phase)
