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Is Shell Helix X7 Plus Engine Oil Fully Synthetic?

1 Answers

Oscar

07/30/25 12:45am

It is a semi-synthetic engine oil Introduction to Semi-Synthetic Engine Oil: Semi-synthetic oil is a type of automotive engine oil. It is formulated using semi-synthetic base oils, specifically Group III base oils internationally. This lubricant is derived from mineral oil refined through hydrocracking technology. It consists of a 4:6 ratio blend of mineral oil and fully synthetic oil. The purity of semi-synthetic oil is very close to that of fully synthetic oil, but its cost is slightly higher than mineral oil. It serves as an ideal transitional product from mineral oil to synthetic oil. Introduction to Engine Oil: The function of engine oil (lubricant) is to lubricate and clean the engine. It can be categorized into three types: mineral oil, synthetic oil, and semi-synthetic oil. Both fully synthetic and semi-synthetic oils are composed of base oils and additives. Generally, fully synthetic oil contains 100% non-conventional, high-performance fluids. Semi-synthetic oil (also known as 'blended oil') contains a smaller percentage of these high-performance fluids and includes conventional mineral oil.

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