XT® polymer compounds toughness characteristics are evident in its combination of Izod impact and elongation at break characteristics. Both these properties remain stable after EtO exposure and over time.
PETG's toughness characteristics are related to it's elongation at break property. After EtO sterilization, the elongation property of PETG is immediately reduced by half after which it continues to deteriorate as it ages until it becomes fairly brittle.
XT® polymer compounds are designed to withstand the toughest conditions in medical and food packaging. They are contact compatible for a range of pharmaceutical treatment drugs and carriers having passed requirements of the United Sates Pharmacopieia (USP) 26, National Formulary 21, 2003 <661> “Physiochemical Tests – Plastics.” FDA for food contact for all uses conditions up to and including hot filled or pasteurized above 150 degree F (e.g. Condition 21 CFR 176.170) for all food types except those containing more than 8 percent alcohol.
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