Ratio of poly - sulfide rubber and activated viscosity index improver to epoxy was determine and discussed.

讨论了聚硫液体橡胶、活性增粘剂与环氧树脂的比例对性能的影响.

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This helps to prevent and troubleshoot viscosity index increase therefore often called viscosity index increase agent.

这能够防止和排除粘度指数增加,故常称为粘度指数增加剂.

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