HMTc: finished-product certification — page updateshttps://heavymetalcertified.com/ecosystem/hmtcPublished revisions of this Heavy Metal Certified page.HMTc: finished-product certificationhttps://heavymetalcertified.com/ecosystem/hmtchttps://heavymetalcertified.com/ecosystem/hmtc#revision-54430b5b3871efa8Tue, 15 Sep 2026 13:56:02 GMTYou are here: finished-product certification against published numeric standards, with a separate decision for authorization to use the mark.