Material Science

Why Do Food-Grade Silicone Seals Fail in 120°C Autoclaves?

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Why Do Food-Grade Silicone Seals Fail in 120°C Sterilization Autoclaves? Author: skye@goldensoarpackage.com Reference Standard: FDA 21 CFR 177.2600 & ISO 3302-1 (Class M1 Tolerances) Short Answer Permanent deformation and subsequent severe leaking in food-grade silicone sealing rings under continuous 120°C steam sterilization are primarily caused by insufficient post-curing during manufacturing. When the mandatory 4-hour secondary … اقرأ المزيد

Engineering Cosmetic Integrity: Why PP Material Dominates Cream Jar Manufacturing

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Lipid-rich cosmetic formulas often trigger stress cracking in inferior plastics. PP material offers the specific chemical resistance and Shore D hardness required for rigid closures and leak-proof jars.