zipper locked hot sealing
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CustomizeThickened transparent self-sealing hot-sealing ziplock plastic food bag
Heat sealing is a process used to bond thermoplastic materials together by applying heat and pressure. In plastic packaging, heat sealing is commonly used to create a strong, airtight seal on bags, pouches, and other containers. The process involves placing the two layers of plastic film together and pressing them with a heated sealing bar. The heat melts the plastic at the interface, allowing the two layers to fuse together. Once the heat is removed, the plastic quickly cools and solidifies, forming a secure seal. Heat sealing is a fast and efficient method of packaging that ensures products remain fresh and protected from external elements.
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Specializing in the production of high temperature cooking bags, vacuum bags, composite color printing bags, self-supporting zipper bags, aluminum foil bags and automatic packaging roll film and other types of plastic packaging bags.
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Zhaozhuang Village, Yuqiao Township, Dongguang County, Cangzhou City, Hebei Province