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Is Shell HX7 a Fully Synthetic Oil?

1 Answers

VonManuel

07/30/25 9:16am

Shell HX7 is not a fully synthetic oil but a semi-synthetic oil. Fully Synthetic Oil: Fully synthetic oil is a high-grade lubricant among motor oils. It is derived from ethylene or propylene dispersed from natural gas or crude oil, which undergoes complex chemical reactions such as polymerization and catalysis to form a lubricating fluid composed of large molecules. Semi-Synthetic Oil: Semi-synthetic oil is a type of motor oil. It is formulated using semi-synthetic base oils, specifically Group III base oils internationally. It is a product refined from mineral oil through hydro-cracking technology, blended with a ratio of 40% mineral oil and 60% fully synthetic oil. Semi-synthetic oil has a purity very close to that of fully synthetic oil but is slightly more expensive than mineral oil. It serves as an ideal transitional product between mineral oil and synthetic oil.

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