Poly-BOPP Bags: Custom Printing and Versatility
The Key Answer: Poly-BOPP (biaxially oriented polypropylene) bags excel in customizability and functional diversity, with ultrasonic welding and heat sealing emerging as optimal closure methods for high-speed production and airtight sealing. Valve and block-bottom designs dominate industrial applications, offering 30–40% higher efficiency than traditional stitching, while advanced printing techniques enable 98% color accuracy for brand […]
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