FDA seals undergo rigorous testing to meet 21 CFR standards for food and drug contact. Extractables and leachables studies confirm minimal chemical migration. Biocompatibility tests per ISO 10993 assess cytotoxicity and irritation. Material certification documents trace origin and composition. Seals resist gamma radiation for sterilization. Non-toxic pigments avoid heavy metals. Surfa... https://globalsealstech.com/oil-gas-seals/