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Specialist Materials for Industry and Science

Apiezon AP201

Apiezon AP201

Vapour Booster Pump Fluid: Apiezon AP201

Apiezon AP201 Vapour Booster Pump Fluid is respected around the globe for its superior quality and stability. M&I Materials Limited is the sole manufacturer of AP201 booster pump oil; it is produced in our purpose built factory in the UK and sold via our extensive network of distributors.

Apiezon AP201 is a flagship vapour booster pump fluid with an exceptionally high degree of oxidation resistance. AP201 is widely regarded as being far superior to other low quality imitation vapour booster fluids. Some pump manufacturers who specify the use of Apiezon vapour booster pump fluid even warn that using other fluids can actually invalidate their warranties.

Why Use Apiezon AP201 Vapour Booster Pump Fluid?

  • Excellent oxygen stability
  • Minimal tarry deposits
  • Easier and faster cleaning and servicing
  • Longer service life of the oil
  • Reduced top ups and backstreaming
  • Superior and quicker ultimate vacuum
  • High purity & very low vapour pressure

To help you select the right product we provide extensive on-line technical information and our team of experts are available to answer your questions via our helpline: Apiezon Technical Helpline 

For further information about the properties of Apiezon AP201 Vapour Pump Fluid click here. We have additional articles in our resources section about vapour booster pumps and diffusion pumps.



  • Apiezon
  • Metrosil
  • Midel
  • Wolfmet

Products of M&I Materials Ltd.