The "W" in 5W-30 stands for winter, indicating the oil's cold-flow behavior before the engine warms up. This specification indicates the lowest temperature at which a liquid oil will still pour and flow under specific conditions.
Keeping Your Pantry Stable: How Cooking Oils Behave in Cold Temperatures
The Science of the Pour Point The pour point is the industry standard measurement for cold flow performance. Coconut oil: Solidifies completely at room temperature in cooler climates due to its high saturated fat content.
The short answer to does oil freeze is yes, but not in the way water turns to ice. Most common cooking oils, such as canola, sunflower, or olive oil, will not suffer damage if they become cloudy or solidify in the refrigerator.
Keeping Your Pantry Stable: How Cooking Oils Behave in Cold Conditions
Olive oil: May develop a cloudy appearance and thick texture below 4 degrees Celsius. Oil Grade Cold Weather Performance Best Used In.
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