The danger is mechanical, not chemical. Think small sharp needles that you can breathe in. Chemically it's just silicates. So you can melt it at high temperatu

The danger is mechanical, not chemical. Think small sharp needles that you can breathe in. Chemically it's just silicates. So you can melt it at high temperatures or do various other processes to get rid of it. I'm not sure what they actually do.