Entry procedure of oils in sterile area

Dear All

What is the procedure to enter the (oils, grees etc.) in sterile area for maintence the machine.


Lubrication and Maintenance of Industrial Machinery -Best Practices and Reliability
Edited by Robert M . Gresham and George E . Totten
CRC Press 2009

Dry heat sterilize the needed substances at 121C for 30 minits


Autoclave it at 121C for 30 minits.

Look my post in GMP section about Lubricants and standards in Clean rooms.