Designed for large-capacity containers, our 30mm neck PET preforms cater to 5L-20L water bottles. The robust 30mm neck ensures secure cap sealing and handles high-pressure filling. Made from high-viscosity PET resin, these preforms resist deformation and maintain dimensional stability during blow molding. Compatible with automatic filling systems, they feature a smooth neck finish (30mm BPF standard) and optimized weight distribution. Ideal for water coolers, industrial water storage, and bulk beverage packaging. Our factory provides mold customization, quality certifications (ISO 9001), and competitive bulk pricing. Keywords: 30mm PET preform, 20L water bottle preform, large bottle mold.
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