This product is the copolymer of fumaric acid ester and vinyl acetate, and has good low-temperature liquidity and excellent pour point effect. It is widely used in various industrial oil and internal combustion engine oil (multigrade or single-grade) and it is light yellow transparant liquid. This product is used in single-grade or multigrade engine oil and various industrial oil, and has better effect to deep dewaxed paraffinic oils, especially suitable for blending 20, 30, 40, 50 oil.
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