castrol Hysol MB 50 cutting fluid

[metalmayhem]

Anyone here using Hysol MB 50 . Due to supply issues and pricing I'm looking at alternatives to the hocut 795b I've been using .
I dealt with a number of staining issues on my aluminum parts in the past until I came across the hocut which is fantastic coolant . Every time I order from my supplier the price keeps going up and my supplier said they keep getting the same complaint as mine , enough so that they are planning to drop carrying that fluid .

Favourites I've used in the past have been discontinued or had formula changes that eventually didn't work fly with my parts . Castrol is one brand I don't recall ever using though they've been around a long time , and the price on the mb50 is pretty inviting as are the specs

Anyhow if anyone is using it then a bit of feedback would be appreciated . Otherwise I'll probably order some anyway to try it out , and if it doesn't work then I'll add it to my never ending supply for my saw . The main concern is staining on aluminum

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[Superman]

We have the mb50 in our shop, have tried to order stock, and have been advised that the mb50 is being discontinued in Oz,

I've been advised that there is a Co that seems to have "cloned" that coolant, but with OH&S, safety sheets (SDS), pricing etc requirements. That option was canned.
I have used the Hocut 795 before at an aerospace Co, (lots of various metals being cut) didn't stain alum. Properties are similar to the mb50.
I ordered 20 lts. for the guys to trial after exhausting the mb50 stocks.

[metalmayhem]

thanks good to hear . I really like the hocut but the supply and price here is less than impressive
It looks like a supplier here in Canada has the mb50 which shows a lead time of 1-1.5 weeks , so I'm hoping that it isn't being completely discontinued . If it is then I'll have to find out what their next best formula is .
If I ran mills with big tanks then I'd be buying in drums but a 5 gal lasts me a bit with a lot of topping up with water to keep the concentrate levels in check . The castrol is $150 cheaper for a 5 gal than the hocut and if it behaves the same then I'll be happy