CALFLO AF’s unique chemistry starts with a blend of 99.9 per cent pure base fluids, produced using a patented HT purity process. These crystal clear fluids are free of impurities that can hinder performance. Utilizing more than 25 years of formulating experience, Petro- Canada fortifies these thermally stable fluids with specially selected additives to provide stronger resistance to oxidative breakdown than leading competitive fluids.
The result is CALFLO AF, a heat transfer fluid that provides high thermal efficiency in systems operating up to 316°C (600°F). CALFLO AF’s breakthrough chemistry an extend fluid life longer than leading competitive fluids, lowering operating costs by reducing the frequency of fluid change-outs.
Petro-Canada CALFLO AF is recommended for use in non pressurized, liquid phase, closed heat transfer systems operating at bulk temperatures up to 316°C (600°F).CALFLO AF’s outstanding resistance to oxidative breakdown can result in longer fluid life and lower operating costs in systems where exposure to air cannot be avoided, and oxidation is the most likely form of fluid degradation.
Typical applications include temperature control units used in plastic extrusion, plastic moulding, and metal diecasting operations.
Features and Benefits
Better oxidative resistance than leading competitors can extend fluid life and lower operating costs.
Higher resistance to oxidative breakdown versus leading competitive fluids.As a fluid oxidizes, it becomes more viscous.
This increase in viscosity can:– significantly reduce a fluid’s thermal efficiency – make the fluid more difficult to circulate through the heat transfer system – result in overheating of the fluid – necessitate a costly, premature fluid change-out Operational Considerations CALFLO AF's high thermal stability provides long service life under normal operating conditions up to its maximum recommended temperature.
However, actual fluid life is dependent upon system design and operating practice. Special precautions should be taken to avoid operating conditions that can shorten fluid life.
thermal shocking resulting from accelerated system temperature increases
thermal shocking from hot spots on a system’s heating coils
continuously running above the maximum recommended operating temperature
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