It creates a thin, strong layer that is relatively non-stick. Polymerization Stability While the smoke point indicates the temperature at which an oil starts to burn, polymerization stability is a different metric.
Canola Oil Season Cast Iron Performance and Polymerization Stability
Canola Oil: A budget-friendly option that is widely available and performs reliably. These oils often contain impurities or fats that can lead to a sticky surface if not applied and heated correctly.
The Flaxseed Oil Exception Flaxseed oil is unique in the world of cast iron maintenance. Olive Oil: While suitable for maintaining a well-seasoned pan, extra virgin olive oil has a low smoke point and will likely smoke and polymerize poorly, leading to a sticky residue.
Canola Oil Season Cast Iron Performance and Polymerization Stability
The best options are those that are 100% pure, without any additives or "extra virgin" designations that are meant for low-heat application. It is excellent for spot repairs but less ideal for the foundational seasoning of a new pan.
More About What kind of oil to season cast iron
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