I was expecting something similar. I know of rockwool for it's insulative and sound absorption properties, I'd never thought of it as a fiber suitible for texti

I was expecting something similar. I know of rockwool for it's insulative and sound absorption properties, I'd never thought of it as a fiber suitible for textiles. I was hoping to learn some intersting properties about rockwool fibers as a textile. But I did learn about vinylon, so I got to learn something today.