OK - did't mean to slap you down too hard - but now you know.
It seems a fair question - sorry that I can't help much, way out of my field.
What do you have in mind by way of using it as reinforcement? I'm pretty sure that it couldn't do much good if it was granulated, but maybe if it could be shredded somehow so that the fibres were still intact it may do some good. As I say, not my field.
Have you already searched around on the internet?
[And plz avoid using txtspk - it's not well appreciated here].
"Love justice, you who rule the world" - Dante Alighieri