Quality Control

Why Do Aerosol Cans Leak and Explode in Transit?

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Why Do High Pressure Aerosol Bottoms Leak and Explode in Transit? Reference Standard: ASTM D3061 (Standard Test Method for Three-Piece Steel and Tinplate Straight-Wall and Necked-In Aerosol Cans) & ISO 90-3 (Light gauge metal containers) Short Answer Aerosol cans fail catastrophically due to metallurgical grain distortion during high-speed stamping, creating asymmetric interlocking seam hooks that … Lire la suite

Why Squeeze Bottles Leak? Fixing PE Stress Cracking Failures

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Why Do Travel Squeeze Bottles Leak? Fixing Stress Cracking Failures Reference Standard: ASTM D1693 (Standard Test Method for Environmental Stress-Cracking of Ethylene Plastics) Short Answer Refillable squeeze bottles frequently fail due to Surfactant-Induced Solvent Swelling (SISS) and poor ink adhesion. Aggressive surfactants in personal care formulas infiltrate the Polyethylene (PE) matrix, weakening intermolecular Van der … Lire la suite

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 … Lire la suite