70ef51ec-3460-4fa1-e6e1-08dcf7f807ae 1m3 unreinforced concrete ?12/15-S3 EcoPact Material 446 0.0004484304932735426 2230 0.2 grammage kg m conversion factor to 1 kg - gross density kg m layer thickness m 0 Product flow true 2026-02-23T13:43:51.467623-05:00 00.02.002 Volume 1 Mass 2230