Aug 26, 2026
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materials
PP vs. PET vs. PETG: The Cosmetic Packaging Engineer’s Selection Guide (Polypropylene vs. PETG)
PP, PET and PETG each bring a different set of engineering trade-offs to cosmetic packaging: optical clarity, chemical resistance, barrier behavior, decoration tolerance and recycling context all differ. There is no single 'best' resin — only the right match for your formula, appearance and project.