Cleaning silicon placemats ???

[BILLYBOB44]

I have several of these that I have baked with..Anyone know how to clean the left over PC off of these??
I have tried several ways with no luck??...Bill.:?

[bangerjim]

Acetone. Laq thinner.

Strong solvents.....NOT paint thinner or methanol or mineral spirits.

Just roll them over a tight radius and most of the layers of PC will crack and flake off.

[BILLYBOB44]

Thanks jim..I know that boiling in water, or standard solvents would not clean them..Bill.

[Don Fischer]

Why not cover them with no stick tin foil?

[Walter Laich]

I place my pc bullets on the mats, I don't use them in the spraying process. Any powder that sticks is minimal and will flake off as I reuse them.
I'm thinking spraying would be a whole 'nother ball game