Complete Guide to Shrink Film: Basics, Advantages & Eco-Friendly Biodegradable Options
author: Lu
2026-07-13
What Is Shrink Film & Heat Shrink Film
Shrink film is a flexible plastic wrapping material.
It fits tightly around goods after heat treatment.
Heat shrink film is the full name of thermal shrinkable wrapping film.
It relies on heating to trigger molecular contraction.
Common base material includes PE polyethylene.
It serves bundling, protection and retail display demands.
Working Principle of Heat Shrink Film
Film molecules are stretched during production.
Cooling locks the stretched molecular structure.
External heat reactivates the polymer chains.
The film shrinks back to its original size.
It closely attaches to the surface of wrapped products.
Even wrapping without extra adhesive tape.
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Core Performance of Standard Shrink Film
High transparency for clear product display.
Strong tensile and anti-tearing performance.
Stable shrink rate under standard heating.
Good moisture and dust blocking capacity.
Anti-scratch layer protects product surfaces.
Adaptable to automatic heat shrink machines.
Definition & Core Traits of Biodegradable Shrink Film
Biodegradable shrink film is eco-upgraded heat shrink film.
It mixes bio-based raw materials with PE substrates.
It keeps the same heat shrink performance as regular film.
No toxic additives during production and use.
It fully decomposes in industrial compost environments.
Final degradation products are water and carbon dioxide.
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Key Advantages of Biodegradable Shrink Film
Cuts persistent plastic waste in landfills.
No microplastic residue after complete degradation.
Matches global carbon neutral packaging trends.
Boosts brand green image for retail and export.
Passes mainstream food safety certification standards.
Compatible with existing heat shrink processing equipment.
Wide Application Scenarios of Three Film Types
Shrink film bundles bottled drinks and canned beverages.
Heat shrink film fits daily chemical and electronic packaging.
Biodegradable shrink film suits eco-focused food brands.
All three work for pallet unitized packaging.
They support customized printed composite roll film.
Applicable to supermarket retail and industrial logistics.
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7. Comparison: Traditional PE Film VS Biodegradable Shrink Film
Traditional PE film cannot break down naturally.
It leaves long-term plastic pollution in nature.
Biodegradable shrink film solves white pollution issues.
Both share identical heat shrink operation steps.
Traditional film has lower raw material cost.
Biodegradable version balances function and environmental protection.
8. Certification Standards for Qualified Biodegradable Heat Shrink Film
Authoritative certifications verify biodegradable performance.
DIN-EN13432 proves industrial compost degradation ability.
BPI certification meets North American eco packaging rules.
REACH complies with EU chemical safety regulations.
FDA confirms safe contact with food products.
Qualified film passes full degradation cycle testing.
Official Website
Pallet Shrink Film: Full Knowledge Guide for Eco-Friendly Logistics Packaging
Pallet Shrink Film Guide – Eco Biodegradable Heat Shrink Types
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