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Re: Oil with high zinc additives
Posted to Castrol Forum on 10/25/2017 7 Replies

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A1/B1 and A5/B5 are both low HTHS (thin) with conventional SAPS (Sulphated ash, phosphorous & Sulfur) levels.

C1 & C2 are both low HTHS (thin) with reduced SAPS (Sulphated ash, phosphorous & Sulfur... Login to read more.

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