Diffusion Pumps oil

We offer original HSR oil for diffusion pumps

• HSR Designation	66A	HSR705	Santovac 5
  Type	Mineral oil	Silicon oil	Pentaphenyl ether
  Vapor pressure at 20°C in mbar	4∙10-8	3∙10-9	1∙10-10
  Resistance (chemical, oxidation, thermal)	Good	Better	Very good
  Optimal working pressure range in mbar	5∙10-7 – 1∙10-3	1∙10-8 – 1∙10-5	1∙10-8 – 1∙10-3
  Final pressure in mbar
  	LN2 cooling	<6∙10-9	<6∙10-9	<6∙10-9
  	Refrigeration unit at -20°C	<6∙10-8	<3∙10-8	<3∙10-8
  	Water cooling at 20°C	<4∙10-7	<3∙10-8	<3∙10-8
  	Air cooling at 25°C	<1∙10-6	<2∙10-7	<2∙10-7