Heat shrink bag is a kind of plastic packaging material that tightly wraps the goods through heating and shrinking. It has the functions of transparency, moisture-proof, dust-proof and improving the appearance of products. Its main classification, application and characteristics are as follows:
1. Common material types of heat shrinkable bags
Features: environmental protection, non-toxic, high transparency, strong tear resistance, suitable for food, daily necessities and other packaging.
Application: instant noodles, milk tea boxes, cigarette boxes and other sealed packaging.
Features: high shrinkage rate, good gloss, low cost; but poor environmental protection.
Application: stationery, toys, hardware tools and so on packaging.
Features: high strength, high barrier (moisture/anti-oxygen), high temperature resistant, often used in beverage labels.
Application: beverage bottle label, electronic product packaging.
Features: good flexibility, strong impact resistance, suitable for heavy goods bundled packaging.
Application: mineral water/brewer's bottle combination packaging, building materials transportation protection.
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2.The core advantages of heat shrinkable bags
Improve product appearance: high transparency to display goods, printed exquisite labels to enhance the appeal.
Protection performance: waterproof, dustproof, wear-resistant, suitable for long-distance transportation.
High efficiency sealing: fully sealed design to extend the shelf life of food (such as frozen meat).
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3. Application scenarios of heat shrink bags
Food industry: sealing and preservation of labels for fresh meat, dairy products and beverages.
Daily chemical and electronics: outer packaging protection of cosmetics, medicines and electronic products.
Logistics consolidation: fixed boxes and pallet cover for bottled beverages and canned food.
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4. Precautions for the use of heat shrinkable bags
Bloating problem: increase the air hole, reduce the conveyor belt speed or increase the temperature.
Aerosol elimination: reduce the temperature or speed up the delivery.
Seal is not tight: adjust the seal temperature, pressure or clean the heat seal knife.
Select the thickness according to the weight of the item (such as PE material for heavy objects).
Food packaging should meet environmental standards (POF/PET is preferred).
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5. Market trend of heat shrinkable bags
Size growth: The global heat shrink label market reached $8.7 billion in 2024 and is expected to grow to $12.1 billion by 2031 (CAGR of 4.9%).
Environmental protection upgrade: the demand for POF and other degradable materials is rising, which promotes technological innovation in the industry.
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গরম ট্যাগ: heat-shrink bag, China heat-shrink bag manufacturers, suppliers, factory
