Lion S diffusion pump oil

Lion S diffusion pump oil is a high quality alkyl naphthalene based diffusion pump oil, especially developed for applications such as electron microscopes, mass spectrometers and small vacuum systems. Recommended for TEMs and SEMs made by Hitachi, JEOL and ISI/ABT/Topcon equipped with a diffusion pump. No need for lower grade substitutes, this is the original LION S diffusion pump oil, manufactured by the Lion Corporation, Japan. It has been and is still used in diffusion pumps used in instruments manufactured in Japan. Lion S diffusion oil has a high resistance against oxidation and works well with small and medium size diffusion pumps.

MSDS

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Updated: 25-08-2025

Code	Pack Size	Availability	Price	Updated: 25-08-2025
PEL891-55	100ml	0 in stock (?)	$240.00 AUD
PEL891-56	1L	0 in stock (?)	$1,196.00 AUD

* Ordering Schedule

This item is available for back-order where 0 stock is listed.
We order from this manufacturer weekly, with an estimated lead time of 3 weeks.

This is the estimated lead time, based on the average time taken previously to fill orders from this particular supplier.
Lead times are from when we receive your order until when we fill your order. For delivery times, please see shipping information below.