Acetone On Glass Cooktop. Get it as soon as Wed Jul 21. Generally acetone is considered a solvent meaning that it can dissolve organic substances such as grease paint and glue.
If it isnt coming up let the WD-40 soak a bit longer. It can burn you anyway. Acetone can be used for cleaning.
And you cannot do any cleaning process on that hot stove.
Get it as soon as Wed Jul 21. Then holding the razor blade flat scrape at the melted plastic until its all removed. The glass may appear to sustain the weight for the time being until the cooktop is heated at which time it could break or shatter when the glass or ceramic expands. Most inside coatings are hardened but some can be quite soft.