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  • cassiebeich20
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    For the best in all-around engine protection, check out ourBlue Diamond engine oils. We use a 100% synthetic PAO formula of high-quality Group IV and Group V oils to deliver the best in performance and predictability in various conditions. Plus, they’re infused with our patented FR3 Nano-Technology, which increases film strength and lubrication between machine parts. The oil in a motor oil product does break down and burns as it is used in an engine – it also gets contaminated with particles and chemicals that make it a less effective lubricant. Re-refining cleans the contaminants and used additives out of the dirty oil. From there, this clean “base stock” is blended with some virgin base stock and a new additives package to make a finished lubricant product that can be just as effective as lubricants made with all-virgin oil. The United States Environmental Protection Agency defines re-refined products as containing at least 25% re-refined base stock, but other standards are significantly higher. The California State public contract code defines a re-refined motor oil as one that contains at least 70% re-refined base stock. Some molybdenum disulfide containing additives to lubricating oils are claimed to reduce friction, bond to metal, or have anti-wear properties. MoS2 particles can be shear-welded on steel surface and some engine components were even treated with MoS2 layer during manufacture, namely liners in engines. They were used in World War II in flight engines and became commercial after World War II until the 1990s. They were commercialized in the 1970s and are today still available (Liqui Moly MoS2 10 W-40). Main disadvantage of molybdenum disulfide is anthracite black color, so oil treated with it is hard to distinguish from a soot filled engine oil with metal shavings from spun crankshaft bearing. To achieve that, they are SAE xW-30 oils blended to a high temperature high shear viscosity from 2.9 cP to 3.2 cP.

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