Exposure to Light UV rays can break down oil molecules, causing premature thickening. To maximize the effectiveness of your oil, store unopened containers upright in a climate-controlled space, avoiding temperature extremes.
How Oxidation Alters Oil Viscosity and Additive Breakdown
Over time, these additives deplete and break down, diminishing the oil's protective qualities even if the base stock remains chemically stable. A lumpy or gritty texture, resembling cottage cheese, is a definitive sign that the oil has separated and should be discarded immediately.
Storage Factor Impact on Shelf Life Temperature Stability Cool, stable temperatures slow oxidation and prolong additive efficacy. Furthermore, expired oil often emits a strong, pungent odor, distinct from its usual mild scent.
How Oxidation Alters Oil Viscosity and Additive Breakdown
Storage conditions play a critical role in how quickly these additives degrade. If the oil has darkened significantly to a near-black color or developed a cloudy, milky appearance, it indicates contamination or oxidation.
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