Full Guide to Shrink Film & Biodegradable Heat Shrink Film
author: Lu
2026-07-21
Basic Definition of Shrink Film
Shrink film is a special plastic packaging material.
It owns unique thermal contraction features.
After heating, it will tightly wrap outer surfaces of goods.
It unifies scattered items into a whole package.
Common base materials include PE, POF and biodegradable polymer blends.
Keywords: shrink film, heat shrink film, biodegradable shrink film
How Heat Shrink Film Works
Heat shrink film relies on molecular memory technology.
Film molecules stretch during manufacturing process.
External heat breaks the stretched molecular state.
Molecules retract back to original small size automatically.
Uniform heat brings smooth and tight wrapping effects.
No extra binding tape is required for most bundling tasks.
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Core Differences of Biodegradable Shrink Film
Traditional PE shrink film stays in nature for centuries.
Biodegradable shrink film adopts plant-based composite raw materials.
It fully decomposes into CO₂ and water under compost conditions.
No toxic microplastic residues will remain after degradation.
It keeps the same shrink performance as regular heat shrink film.
It meets global low-carbon packaging policies for enterprises.
Main Functional Advantages of Shrink Film Products
Shrink film provides full dust and moisture isolation.
It forms tamper-evident wrapping for commodity safety.
High transparency supports clear product display on shelves.
Good anti-tear strength avoids package breakage in transit.
Custom printing patterns can be added on film surfaces.
Light weight cuts total logistics packaging costs greatly.
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Wide Application Scenarios for Three Film Types
Heat shrink film fits beverage bottle multi-pack bundling.
Pallet shrink film stabilizes stacked industrial cargo.
Biodegradable shrink film matches food and organic brands.
It is also used for daily chemical and gift box outer wrapping.
Construction materials and hardware parts adopt shrink film too.
Retail supermarkets rely on it for bulk product grouping.
Eco-Friendly Features of Biodegradable Shrink Film
Biodegradable shrink film features outstanding eco-friendly properties.
It adopts green and sustainable production concepts.
The film can achieve complete degradation in compost environments.
It causes no harm to soil and ecological environments.
It helps enterprises achieve green and low-carbon production goals.
It perfectly adapts to the global environmental protection development trend.
Certified films can enter mainstream overseas markets smoothly.
Uncertified biodegradable film cannot pass customs inspection.
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Key Material Comparison: Regular VS Biodegradable Heat Shrink Film
Standard heat shrink film uses pure petroleum-based PE resin.
It cannot decompose naturally after waste disposal.
Its shrink ratio and tensile strength reach industrial standards.
Both films adapt to automatic heat shrinking equipment.
Biodegradable versions lower corporate plastic pollution liability.
Practical Tips to Pick Suitable Shrink Film
Confirm your heating machine’s temperature range first.
Select thin film for small food and beverage bundles.
Choose thick biodegradable shrink film for heavy pallet loads.
Check local waste compost facilities before bulk purchase.
Ask suppliers for shrink rate test data in advance.
Prioritize certifiedhigh-quality biodegradable shrink film for export orders.
Official Website：
For customized biodegradable shrink film and heat shrink film solutions.
Visit official site: //www.fullsunbiopackaging.com/
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