"newshound" wrote in message
...
On 21/01/2020 15:22, Chris Hogg wrote:
On Tue, 21 Jan 2020 03:34:47 -0800 (PST), wrote:


What type of glass is it, borosilicate? Pyro glass can be bought.


https://en.wikipedia.org/wiki/Glass-ceramic#Cooktops

From that link

"If food with a high sugar content (such as jam) spills, it should never
be allowed to dry on the surface, otherwise damage will occur."

Thats bull****. I did it repeatedly with mine, because thats about
all I ever do on it now, marmalade and relish. Not a problem.

It's not immediately obvious to me why that should be. Obviously, if you
cook it on underneath something like a frying pan that you take up to ~
200C you may get something very adherent giving a risk of scratching when
you try to remove it.

I find that it comes off fine by wetting it and letting that soften.

But if you let sugar syrup "dry" (or, perhaps, freeze) on the surface
surely it will just dissolve away once cold using a sufficiently wet
cloth.

Yep