Coffee stains in a stainless flask..........
#3
Scooby Regular
I used to work for a company that got a contract to refurbish the machines that processed the powder at a well known instant coffee manufacturers, which were constructed from 316 grade stainless steel. When we got them back to our premises they were brown from coffee powder settling on them over a long period of time, we pressure washed an steam cleaned them then carried out the modifications. After the rework, we re-beadblasted them all over, and even after all that, you could tell what was old steel as it STILL had a brown tinit to it
Plus, even now - nearly seven years later - the stains on the car park where we steam-cleaned them are as clear as anything
In, summary, you'll be lucky if you can get the stains out of your flask
Plus, even now - nearly seven years later - the stains on the car park where we steam-cleaned them are as clear as anything
In, summary, you'll be lucky if you can get the stains out of your flask
#7
Originally Posted by alcazar
...........is it possible to get rid of them? If so, how?
Thanks,
Alcazar
Thanks,
Alcazar
fill the flask with boiling water and put 1 teaspoon of washing powder in,leave till cool then tip it away and rinse out,ive used this method for years...
BM
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#13
Scooby Regular
Originally Posted by ALi-B
Stainless steel is an oxymoron
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