4 ms·
Yes. I only scanned the paper, but it's not obvious to me what value polystyrene is adding compared with air, which is free.
by ajb 3y ago
Yes. I only scanned the paper, but it's not obvious to me what value polystyrene is adding compared with air, which is free.
- unwind 3y agoIt's a waste stream, so if it can be long-term "locked" into construction and not need further processing, that is helpful. That's my thinking at least, it's a way to upcycle waste.
- xnx 3y agoThanks for pointing that out. I had to read parts of the paper more closely to recognize that in addition to waste fly ash they use waste polystyrene. I had thought they were using waste fly ash with virgin polystyrene.