Can anyone comment about the degreasing step for the 304 stainless (pre-passivation) - what is typically recommended? Does the wash with NaOH act as a degreaser, or does one have to buy a commercial degreaser (what brand?).
Seems like there are a lot of degreasing products that come up if you...
Thank you SJones and EdStainless for your input. SJones thank you for your links, I had been trying to get that Tuthill and Avery reference. Got hold of ASTM380 on Saturday. I think i have all the literature, though lack practical experience to inspect the vessels.
EdStainless - these are...
sorry I posted before I was done..
My understanding of what needs to be done is as follows:
*some of the vessels have a spray ball built in so I suppose probably pump solutions in and recirculate for duration of treatment at all "incubation" steps?
1. degrease/clean (any suggestions for this...
Hi all
I am helping to gather information on passivation for some brew equipment. I think we are going to use a citric acid protocol such as :
http://www.astropak.com/downloads/technical_papers/boeing_passivation.pdf
Passivation of Aerospace Stainless Steel Parts with Citric Acid Solutions...
