Suitable for Dow Corning silicone oil KS-274 high vacuum diffusion pump silicone oil diffusion pump special oil 4L pack        Product Introduction: KS-274 ultra-high vacuum diffusion pump silicone oil is a high vacuum acquisition equipment oil, which can be applied to Dow Corning DC704, DC705, with lower saturated vapor pressure at room temperature, can obtain high vacuum or ultra-high vacuum.