Mineralization on 55 year old back windshield

[gran coupe john]

The back windshield has been in car forever. That mineralization on the glass is from the stainless moldings. I guess it shouldn't be called stainless. What product is good to take this off. Used acytone, fantastic, and tried wd40. Any suggestions

 

[heminut]

You might try 0000 steel wool, it definitely won't hurt the glass.

 

[gran coupe john]

Thanks, I will give it a whirl tomorrow.