Shrink Film: Complete Guide to Heat Shrink Film & Biodegradable Shrink Film
author: Lu
2026-07-08
1. What Is Shrink Film?
Shrink film is a flexible polymer packaging material for industrial and commercial use.
It features special thermal shrinkage properties after professional processing.
It can wrap and fix products tightly without extra adhesive tape.
It provides basic protection and neat packaging appearance for goods.
It is widely used in product packaging, transportation and storage fields.
Standard shrink film focuses on durability and stable shrink performance.
2. How Does Heat Shrink Film Work?
Heat shrink film is the most common type of shrink film on the market.
Its core principle is thermal contraction of polymer molecules.
The film expands and stretches during the manufacturing process.
It will shrink rapidly when receiving uniform heat treatment.
It fits closely to the surface of irregular and regular products.
It forms a tight protective outer layer with no gaps or wrinkles.
Professional heat shrink equipment ensures consistent packaging results.
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3. Core Features of Traditional Heat Shrink Film
Heat shrink film has excellent tensile strength and puncture resistance.
It effectively resists external friction and extrusion damage.
It has high transparency to display product details clearly.
It supports single-piece packaging and multi-piece combined packaging.
It is lightweight and reduces overall packaging and transportation costs.
It has good moisture-proof and dust-proof sealing performance.
It can prevent product tampering during circulation and sales.
4. Definition and Advantages of Biodegradable Shrink Film
Biodegradable shrink film is an upgraded eco-friendly version of shrink film.
It adopts biodegradable raw materials and green production technology.
It retains all excellent shrinkage characteristics of heat shrink film.
It can complete tight packaging through conventional heating methods.
It can be naturally degraded after being discarded without residual pollution.
It meets global environmental protection and carbon emission standards.
It solves the plastic pollution problem of traditional packaging films.
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5. Comparison Between Ordinary Shrink Film and Biodegradable Shrink Film
Ordinary shrink film has stable performance but poor environmental friendliness.
It is difficult to degrade and easily causes long-term environmental burden.
Biodegradable shrink film has equivalent packaging performance.
It has obvious advantages in green and sustainable packaging.
Both two films support customized size and thickness production.
Both can adapt to automated heat shrink packaging production lines.
Biodegradable shrink film is more suitable for brand green upgrading.
6. Wide Application Scenarios of Shrink Film Products
Shrink film is widely used in food, daily chemical and electronic industries.
Heat shrink film is suitable for bottle body labeling and product outer packaging.
It can package beverages, cosmetics, toys, hardware and daily necessities.
Biodegradable shrink film is preferred for eco-brand and export products.
It is popular in organic food, green daily chemicals and gift packaging.
It is also used for batch bundling and logistics protection of goods.
It improves product grade and standardizes product packaging specifications.
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7. Production Standards of High-Quality Biodegradable Shrink Film
High-quality biodegradable shrink film needs uniform thickness.
It requires stable heat shrink rate and no shrinkage dead zone.
It must have flat film surface without bubbles and scratches.
It maintains good toughness and is not easy to crack after shrinking.
It passes professional biodegradation certification and food-grade test.
Our factory strictly implements industrial production standards.
We provide high-standard shrink film for global packaging customers.
8. Future Development Trend of Shrink Film Industry
The global packaging industry is accelerating the transformation to green ecology.
Traditional heat shrink film is gradually replaced by eco-friendly products.
Biodegradable shrink film has become the mainstream development direction.
Market demand for low-carbon and degradable packaging continues to rise.
Shrink film with high efficiency, environmental protection and low cost is favored.
Customized biodegradable shrink film will occupy more market share.
Eco-friendly shrink packaging will become the standard of brand packaging.
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