On 5-Feb-2006, "Toller" wrote:

Not blue, but it lit very easily and continued to burn vigorously after I
removed the torch. Polyester? Didn't know that was a possibility.

Polyester is common - Mylar is a brand name and is in sheet
form. Vivak is another brand. Clear plastic pop bottles are a type of
polyester.

There are lots of other plastics. Polystyrene burns easily - are you sure
it's not polystyrene?

Mike