Application of paper bags

1. Classification system of paper bags
The diversity of paper bags stems from the differences in materials, structures and uses:
Material classification:
Kraft paper bags: high strength, low price, widely used in shopping bags and envelopes.
White cardboard bags: good printing effect, often used for brand customized handbags.
Coated paper bags: smooth and high whiteness, suitable for color printing but weak load-bearing.
White board paper bags: good air permeability, used for food packaging or stationery.
Structural classification:
Open bottom seam bag: simple structure, suitable for lightweight items.
Valve stitched bag: enhanced load-bearing, used for industrial parts transportation.
Use classification:
Shopping bags: the main force of brand promotion, such as luxury gold-stamped logo bags.
Food bags: kraft paper material, used for bulk foods such as bread and nuts.
Industrial bags: waterproof kraft paper is used for seed and fertilizer transportation.

2. In-depth analysis of application scenarios
The application of paper bags has penetrated into multiple dimensions of life:
Retail industry:
Brand building: Customized paper bags become mobile billboards, such as Starbucks holiday limited edition.
Consumption upgrade: Luxury stores use special paper bags, lined with silk to enhance the texture.
Food industry:
Safe packaging: Kraft paper bags are used for baked goods, which are breathable and mildew-proof.
Environmental alternative: The fast food industry uses paper bags to replace plastic lunch boxes to reduce white pollution.
Agriculture and industry:
Seed transportation: Waterproof kraft paper bags prevent moisture and ensure germination rate.
Electronic products: Corrugated paper trays replace foam plastics to reduce static electricity risks.
Creative reuse:
Home storage: Paper bags are transformed into refrigerator sorting bags and tissue boxes, which are practical and beautiful.
Fashion DIY: Rice bags are cut into handbags, which are waterproof, heavy-duty, and environmentally friendly and fashionable.