What is the best thing to use for cleaning the viewports?
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After the reduction furnace has been in operation for some time, the inner wall of the viewing port becomes frosted, as if it has been scratched by something. What methods can be used to address this issue and reduce damage to the viewing port?
Remove the window glass and wash it with dilute acid
Why is a dilute acid used in LS? Can’t we use a base?
Wipe it with anhydrous alcohol; it won’t harm your hands.
It should be low-temperature amorphous silicon on the view mirror; dilute hydrofluoric acid will do
3# laowang1982 I think alkali is corrosive to glass
Is there anything else besides alcohol? HF6 is generally not available for casual use, right?
Haha, HF corrodes glass! ! ! ! ! ! ! ! !
Clean with hydrofluoric acid and alcohol, wipe with pure water, and dry with nitrogen