What are the different types of packaging bags?

2021-11-12 11:03

Packaging Bag Core Classification: Mainstream Types by Material, Adapting to All Industry Needs
Packaging bags can be classified into seven core types based on material, each with its own unique characteristics and application scenarios: PE bags are soft, moisture-proof, and low-cost, suitable for food and daily necessities packaging, further subdivided into flat bags, self-sealing bags, etc.; PP bags are high-temperature resistant and highly transparent, suitable for microwaveable food and highly transparent outer packaging; Composite bags are made of multiple layers of materials (such as plastic + aluminum foil + paper), possessing both moisture-proof and oxygen-barrier properties, covering food, chemical, and pharmaceutical fields; Aluminum foil bags have extremely strong barrier properties, providing light protection and oxidation resistance, used for pharmaceuticals, precision instruments, and high-end foods; Paper bags are environmentally friendly and recyclable, kraft paper bags are waterproof and moisture-proof, and food-grade paper bags meet hygiene requirements, suitable for gifts and cosmetics; Non-woven bags are reusable and breathable, mostly used for shopping bags and promotional gift bags; Biodegradable bags are made from corn starch and other materials, complying with environmental policies, and are gradually becoming more widespread in various scenarios.

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How to choose packaging box material?

Safety and compliance are paramount, with environmentally friendly materials becoming mainstream: Food packaging box materials must strictly adhere to standards such as GB 11680. Paper materials that come into direct contact with food are prohibited from using fluorescent whitening agents and recycled waste paper, and plastics must be made from colorless virgin materials (PVC is prohibited). Recommended solutions: Snacks and pastries should use 250-300g laminated white cardboard (oil-resistant and color-enhancing); sauces and skincare products should use waterproof paper with leak-proof inner boxes; tea and health products should prioritize kraft paper (moisture-resistant and natural-looking), and should be printed using food-grade printing materials such as soybean ink. Exported products must additionally comply with EU REACH and US FDA certification requirements.

2022/07/28

What are the industries that use packaging?

Core Applications of Packaging Boxes: E-commerce Logistics Becomes a Growth Engine, Multifunctional Adaptation Reshapes Industry Demand: With China's online retail sales of physical goods exceeding 11.8 trillion yuan in 2024, e-commerce logistics has become the largest application scenario for packaging boxes, accounting for more than 45% of the total demand for cardboard boxes. Packaging boxes in this field need to balance protection, efficiency, and brand attributes.