npub14w37fjdpkezfacsz3q8r97yqs9e0cquntlfkamgdhewnpaud4x9qtu9vjx (npub14w3…9vjx) npub1ypfcrd4k5ryzlcg8jmdvgrlk29ladfe27z7c2aaq8lvmks6drwqqautsp5 (npub1ypf…tsp5)
No. Slag is part of the steel making process.
I was more thinking along the lines of petrochemicals or high fructose corn syrup.