I suspect an old kitchen cutting board I have is Delrin. Is there any = way to tell ? ( no markings that I can see ... ) It is about 1/2 inch thick and kind of milky-translucent. Also, edges = melt and harden very smooth when touched with hot pots, etc.
When cut with a plywood veneer blade using a battery powered circular = saw, it is a little bit tougher than 1/4" HDPE ...
JCD