Wash-Off Label Film for Glass Bottle Recycling

PETG Bidirectional Shrink Film

PETG Bidirectional shrink film is a heat-shrinkable plastic film that contracts in both transverse and machine directions when exposed to heat.

Its key advantages include dual-direction shrinkage, adhesive compatibility, and clean detachment from glass surfaces in hot water.

When the labeled bottle enters a hot-water wash, the film shrinks up to 70% TD and 35% MD simultaneously — pulling the label off the bottle for clean separation.

Common applications include wash-off labels for glass beer bottles, wine bottles, reusable beverage containers, and bottle-to-bottle recycling streams where labels must detach from the container during washing.

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PETG Bidirectional Shrink Film

Technical Specifications

Property Test Method Unit Result
Density ASTM D 1505 g/cm³ 1.32 ± 0.03
Tensile Strength @ MD ASTM D 882 MPa ≥ 60
Tensile Strength @ TD ASTM D 882 MPa ≥ 200
Elongation at Break @ MD ASTM D 882 % ≥ 300
Elongation at Break @ TD ASTM D 882 % ≥ 30
Heat Shrinkage @ MD ASTM D 1204
95°C 10s		 % 35 ± 5
Heat Shrinkage @ TD ASTM D 1204
95°C 10s		 % ≥ 70
Friction Coefficient @ Static ASTM D 1894 μs ≤ 0.60
Friction Coefficient @ Dynamic ASTM D 1894 μk ≤ 0.55
Haze ASTM D 1003 % ≤ 7.0
Gloss (45°) ASTM D 2457 % ≥ 100
Surface Tension ASTM D 2578 mN/m ≥ 38

Product range: thickness 30-60 μm. Designed for adhesive-backed wash-off label applications on glass bottles.

Shrinkage Curve (Temperature vs. Shrinkage %)

OPTIMAL · 95-100°C 80% 60% 40% 20% 0% 55 60 70 80 90 100 TEMPERATURE (°C) SHRINKAGE (%) TD · Transverse MD · Machine

Curve represents our typical PETG Bidirectional Shrink Film behavior in a 10-second water bath (ASTM D 1204).

Actual shrinkage depends on film thickness, exposure time, and tunnel conditions — request a batch-specific test report for production planning.

PETG Bidirectional Shrink Film Applications

PETG Bidirectional shrink film is used for wash-off label applications across beer and wine bottling, reusable beverage containers, and bottle-to-bottle recycling streams. Typical applications include adhesive-backed glass bottle labels designed to detach during hot-water washing, refillable bottle labels for circular packaging systems, and any container where clean label-to-bottle separation during recycling is required.

Food and Beverage
01

Food and Beverage

Beverage bottles · Coffee cans · Dairy products · Snack packaging
Cosmetics and Personal Care
02

Cosmetics and Personal Care

Skincare · Shampoos · Perfume bottles · Cosmetic sets
Pharmaceutical and Health Products
03

Pharmaceutical and Health Products

Medicine bottles · Health supplements · Medical device packaging
Home and Daily Necessities
04

Home and Daily Necessities

Cleaning agents · Detergents · Home decor items
Electronics and Appliances
05

Electronics and Appliances

Battery packaging · Electronic products · Household appliances
Automotive and Industrial
06

Automotive and Industrial

Automotive parts · Chemical packaging

Why Choose JFPolyFilm

A premium shrink film supplier is judged on three things: production scale, batch consistency, and global trade reliability. Here's how we deliver on all three.

01

In-House Bruckner Production

Three state-of-the-art Bruckner production lines deliver 18,000+ tons annually, with consistent quality and the scale to fulfill large recurring orders without sub-contracting.

Equipment by Bruckner Maschinenbau · Germany
02

Quality Assured per Batch

Every production batch is tested for shrinkage rate, thickness uniformity, and optical properties before shipment. A Certificate of Analysis (COA) ships with each order, with full lot traceability.

Certified: GRS · REACH · RoHS
03

Global Trade Experience

Exporting to 10+ countries across Americas, Europe, Southeast Asia and the Middle East. We handle international shipping, customs documentation, and Incoterms end-to-end.

20+ years operating

Frequently Asked Questions

How does JFPolyFilm verify the quality of every batch?
We collect samples of at least 5 meters from every production batch and run full property tests — shrinkage rate, thickness uniformity, haze, tensile strength — then issue a Certificate of Analysis (COA) attached to each shipment.
How many splices are in a shrink film roll?
The number of splices is printed on the roll label on the side of each roll. In most cases our PETG Bidirectional Shrink Film rolls have zero splices.
How does JFPolyFilm identify each roll and pallet?
Each roll carries a label on its side identifying batch number, length, width, and production date. Each pallet has a label attached to the outside of the outer thermal insulation cover identifying the SKUs inside.
What is the minimum order quantity (MOQ)?
MOQ depends on film grade, thickness, width, and color. Please contact us with your specifications for an exact quote — most standard PETG Bidirectional Shrink Film orders start at 1 ton.
How is the film packed and shipped internationally?
Two packing methods: vertical packing (~20 rolls per pallet) for higher density, or horizontal packing (6 rolls per pallet) for sensitive jobs. Both are wrapped in polyethylene film with protective boards top and bottom to prevent shipping damage. Please contact our sales team for more details and photos.
How should the film be stored?
Store at 10-30°C (50-86°F) in a dry environment. Avoid direct sunlight, moisture, and dust. Recommended shelf life is 12 months in original packaging.
What printing methods are compatible with the film?
Gravure printing, flexographic printing, and UV inkjet printing all work well with our PETG Bidirectional Shrink Film. The film accepts ink directly without corona pre-treatment.
Is the film corona-treated for printing?
No, corona treatment is not required. Our PETG Bidirectional Shrink Film accepts gravure and flexographic ink directly thanks to its inherent surface energy.
Can I request product samples before placing an order?
Yes. We offer A4 sheet samples, 300m short rolls, or 2000m short rolls. Customer covers shipping costs.
How does PETG Bidirectional Shrink Film support glass bottle recycling?
Bidirectional shrinkage means the adhesive-backed label automatically detaches from glass bottles during hot-water washing — supporting clean recycling and bottle reuse. Unlike traditional shrink sleeves, no manual label removal step is needed in the recycling line.
What hot-water temperature is needed for label detachment?
Standard bottle wash cycles use 70-85°C hot water with caustic detergent for 10-20 minutes. The bidirectional shrinkage activates at these temperatures, pulling the label off the bottle for clean separation.
What adhesive is recommended for wash-off label backing?
We recommend specialized hot-water-releasing or alkaline-soluble pressure-sensitive adhesives that detach during the wash cycle. Please contact our sales team for adhesive recommendations specific to your bottle type and washing process.

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