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WSA

Vacuum pump manufacturer, Direct-coupled type oil rotary pump, Refrigerant pump, Pirani gauge and more
Name

Vacuum Oils

Product Description

Specifications

General Properties
ISO Viscosity Grade 68
Viscosity 40°C*mm 2 /s 71.0
Color ASTM L0.5
Density 15°C g/cm 3 0.883
Flash Point °C 256
Pour Point °C -17.5
Total oxidation mgKOH/g 0.00
Demulsibility   40-40-0 (Under5)
Vapor Pressure 50°C Pa Below 1.3×10 -3
50°C Torr Below 1.0×10 -5 

Sales Unit

1L, 20L 


Specifications 

Typical Property Units 16/6
Average molecular weight a.m.u. 2700
Specific gravity (20°C) (68°F) 40°C*mm 2 /s 71.0
Kinematic Viscosity ASTM L0.5
Viscosity Index 15°C g/cm 3 0.883
Vapor Pressure
@ 25°C(68°F)
@100°C(212°F)
torr 2×10 -6
torr 2×10 -4
Pour Point °C -45
°F -49
Heat of vaporization (200°C) (392°F) cal/g 8
Surface Tension dyne/cm 22
Evaporation loss(22hrs; 149°C) % by wt. 3.9
Ultimate total pressure torr 2.4×10 -3
Specific oil consumption cm 3 /hr 0.5 

Sales Unit

Mainly sold by being filled in pump