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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 allow propellant micro-leakage. Furthermore, internal corrosion is driven by Fickian solvent diffusion, where aggressive chemical payloads penetrate improperly cured epoxy coatings, triggering intense galvanic corrosion that eats through the tinplate substrate. Metallurgical Grain Distortion: The Asymmetry of Interlocking Seam Hooks To understand the mechanical failure of an empty aerosol can parts assembly, one must analyze … 続きを読む