Shrink Film vs Stretch Wrap - Tell Them Apart to Buy Right

Reviewed and updated by ICD - Week 30/2026

Shrink film and stretch wrap look similar but work oppositely: stretch wrap is stretched cold around a load and holds by elastic tension; shrink film is applied loose then heated so it shrinks tight. Stretch unitises pallets; shrink seals individual packs.

In Vietnam’s packaging industry, the two terms “shrink film” and “stretch wrap” are often used interchangeably - even many people in the trade do not distinguish them clearly. This confusion leads to ordering the wrong film, using it with the wrong machine, and wasting cost. This article analyzes the difference between the two clearly and decisively.

Standard definitions - do not confuse them

PE shrink film (shrink wrap): A polyethylene film made with a molecular structure containing internal “compressive stress.” When it meets a temperature of 120-160°C, this stress releases and the film shrinks to cling tightly to the product surface. It cannot shrink by mechanical pulling - it MUST have heat.

PE stretch wrap (stretch film): A highly elastic polyethylene film, stretched 100-300% by mechanical force without breaking. When the force is released, the film partly recoils and creates a holding force that grips the goods tightly. No heat needed - it works entirely by mechanical force. This is the film used in turntable pallet stretch wrappers.

Why the Vietnamese name “mang co” causes confusion

The Vietnamese name “may quan mang co pallet” (literally “shrink-film pallet wrapping machine”) actually refers to a machine using stretch wrap, not heat-shrink film. This name has become habitual in Vietnam’s logistics industry even though it is technically inaccurate.

In English the distinction is clear: “stretch wrap machine” = a pallet stretch wrapper; “shrink wrap machine” = a heat tunnel using shrink film. When ordering imported film or reading technical documents, use the correct English term to avoid confusion.

Detailed technical differences

How to tell the two apart by hand

A quick 3-second test: pull a length of film and release it. Stretch wrap: stretches 2-3 times, recoils partly on release but does not return to its original shape. Shrink film: stiffer, does not pull much, and tends to recoil immediately on release.

A heat test (carefully): warm it lightly with a hair dryer from 10-15cm away. Shrink film will shrink immediately. Stretch wrap does not shrink, or shrinks very little, at low heat.

The right application for each film type

Use shrink film when: you need to wrap individual bottles, jars or product boxes; pack multipacks (6 bottles/pack); shrink sleeve labels on bottles and boxes; pack high-aesthetic gift packaging.

Use stretch wrap when: wrapping pallets of goods for storage and transport; bundling large, heavy packages; wrapping cartons on a conveyor (with a carton wrapper); wrapping long goods (steel pipes, aluminum bars) with a horizontal machine.

See more detail on what PE shrink film is and how to choose the right PE film for each specific application.

Contact for advice

• ICD wrapping machines: All pallet stretch wrapper models
• North Vietnam: 0983 797 186 | 090 345 9186
• South Vietnam: 098 6784 186
• Email: Sales@icdvietnam.com.vn
• Quote: Get a quote

Frequently asked questions

What is the difference between shrink film and stretch wrap?
Stretch wrap is pulled tight cold and grips by tension; shrink film is heated to shrink around the product.

Which one do I need for pallets?
Stretch wrap - it bundles and stabilises pallet loads without heat.

When is shrink film better?
For sealing individual products, multipacks or bottles where a tight, tamper-evident seal is needed.

Multi-criteria comparison: shrink film vs stretch film

The two film types solve two different packaging problems, so the differences go beyond the working principle to cover equipment, material and operating cost as well. The table below gathers all the practical criteria a facility needs to weigh before investing.

When to choose shrink film, when to choose stretch film

The decision is not about which type is “better” but about the packaging goal. Below is a quick selection framework based on the real needs of warehousing and manufacturing.

• Choose shrink film when you need to bind each product or small multipack tightly (water bottles, cans, gift boxes), need a glossy, taut surface for retail display, or want dust/moisture protection for individual items.
• Choose stretch film when you need to secure multiple cartons on a single pallet, transport bulky goods, want to save energy, and have no space to install a heat tunnel.
• Prioritize stretch film if the facility calculates total operating cost: no heating power required, and you can wrap with purpose-built PE stretch film and a wrapping machine to reduce waste.
• Consider both for a two-layer packaging chain: shrink film binds each product multipack, then stretch film secures everything onto the pallet before dispatch.

Frequently asked questions

Can stretch film replace shrink film?

No. Stretch film binds tightly with pull force but does not hug the product contour the way shrink film does after heating. For bottles, cans or single boxes that need a glossy, taut surface, shrink film delivers a result stretch film cannot achieve; conversely, for pallets stretch film is more effective and cheaper.

Which type is more cost-effective for warehousing?

For palletized goods, stretch film is clearly more economical. Stretch film only needs a wrapping machine or hand wrapping and consumes no heating energy like the 120-160°C heat tunnel of shrink film. PE film usage also drops by about 25-30% when using a wrapping machine versus hand wrapping, thanks to optimal pre-stretch.

How do PVC, POF and PE shrink films differ?

POF is soft, flexible, heat-resistant and food-safe. PVC is thick, rigid, brittle and has weaker moisture resistance, so it is less used for premium goods. PE (in LDPE form) is common for industrial shrink packaging. Choose the material by product: food favors POF, while industrial goods typically use PE.