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UC740

Appearance: Colorless transparent liquid;

Density: 1.07g/mL (25°C);

Boiling Point: 215 °C (0.5 mmHg);

Opening flash point: 221 °C;

Refractive index (n20/D): 1.559;

Specification: GC main content GC ≥90.00% (area%) (tentative).


It is widely used in high vacuum diffusion pumps, providing high-performance, high-content (>90.0%) diffusion pump oil. It has high thermal oxidation stability, small viscosity coefficient, narrow boiling point range, steep vapor pressure curve, low vapor pressure at room temperature, low freezing point, coupled with its chemical stability, non-toxic, tasteless, non-corrosive.


Contact information

General Manager: Wang Zixin 13386061010  

Company telephone: Xu Huafang 021-69903173 

Company address: Room 406-08, Building 14,70 Bole Road, Jiading District District, Shanghai