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Introduction to PET Coated Paperboard 

PET Coated Cardboard is a high-performance paperboard laminated with a layer of Polyethylene Terephthalate (PET) film. This coating enhances the base board with moisture resistance, heat sealability, and surface gloss, making it an excellent material for food-grade packaging, high-barrier cartons, and specialty print applications.

The PET layer not only acts as a barrier but also supports vibrant printing, allowing brands to combine visual appeal with functional durability. PET-coated cardboard is recyclable in many regions and often used as a more sustainable alternative to plastic trays and containers.

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Technical Specifications

Property

Unit

250 gsm

300 gsm

350 gsm

400 gsm

Basis Weight

g/m²

250±5

300±5

350±5

400±5

Thickness

µm

280±10

330±10

380±10

430±10

PET Coating Thickness

µm

10±1

12±1

12±1

15±1

Gloss (PET Side)

GU

≥80

≥80

≥80

≥80

Grease Resistance

-

High

High

High

High

Water Resistance

-

Excellent

Excellent

Excellent

Excellent

Heat Resistance

°C

Up to 180

Up to 180

Up to 180

Up to 180

Print Compatibility

-

Offset, UV

Offset, UV

Offset, UV

Offset, UV

Product Types

We offer several grades of PET Coated Cardboard to fit a wide range of converting and packaging needs:
PET layer on one side (typically top surface)
Optimized for print & product contact side
PET on both sides for full moisture and grease resistance ,Suitable for wet, greasy, or frozen contents
Premium printing surface with natural brown reverse side .Eco-friendly appearance for sustainable branding
Transparent gloss film allows natural paper tone to show through ,Ideal for bakery and artisan packaging
Designed for food trays and lidding with direct heat-seal properties ,Suitable for thermoforming and die-cutting
Made from recycled PET material, this eco-friendly option combines the benefits of PET coating with sustainable practices, offering durability and recyclability while minimizing environmental impact.
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Market Applications

PET Coated Cardboard is used across a wide variety of industries, especially where food safety, presentation, and protection are key:

Frozen & Refrigerated Food Packaging: Ready meals, frozen bakery items, meat trays

Bakery & Confectionery Boxes: Cakes, pastries, chocolates, and desserts

Takeaway & Fast-Food Trays: Grease-resistant and foldable food trays

Dairy Packaging: Yogurt sleeves, butter cartons, cheese containers

Cosmetic & Pharmaceutical Packaging: Moisture-barrier cartons for sensitive products

Consumer Electronics Packaging: PET layer offers extra scratch resistance and strength

Technical Advantages
Moisture and Grease Resistance: PET coating provides a reliable barrier layer
Excellent Print Surface: Compatible with UV, offset, and gravure printing
Heat Sealable Grades: Perfect for tray sealing or lidding applications
Good Stiffness and Rigidity: Maintains shape even under load or humidity
Thermoformable Options: For applications requiring depth or shape
Sustainable Options Available: Recyclable grades and food-contact safe formulations

Market Trends & Insights

PET Coated Cardboard is increasingly used as industries pivot toward plastic-free and recyclable packaging solutions. Some key trends driving demand:


Sustainability Shift: Brands are moving from full plastic trays to fiber-based solutions with PET or bio-film barriers

Premiumization of Food Packaging: Glossy, print-friendly surfaces elevate consumer perception

Growth in Frozen & Chilled Ready Meals: Higher packaging demands for moisture resistance and shelf presence

Regulatory Pressure on Food Contact Materials: PET coated board is easier to certify and control for direct food contact

Global Retail Expansion: Export-friendly format that balances presentation with functional protection

All Cardboard products

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FAQ
1
Is PET Coated Cardboard food-safe?
Yes, our PET coatings are compliant with FDA and EU food-contact standards.
2
Is PET Coated Cardboard recyclable?
Yes, PET Coated Cardboard is recyclable. The PET coating is compatible with existing recycling processes, which helps reduce environmental impact compared to non-recyclable coatings.
3
What printing methods are supported?
It is compatible with offset, UV, flexographic, and gravure printing methods.
4
Is it suitable for freezer use?
Absolutely. Double-coated PET board is ideal for frozen food and cold chain packaging.
5
Can it be heat sealed or thermoformed?
Yes, specific grades are designed for heat sealing and thermoforming in tray or lid applications.
6
Is PET Coated Cardboard suitable for outdoor use?
Yes, PET Coated Cardboard is resistant to moisture and environmental factors, making it suitable for use in outdoor conditions, though long-term exposure to extreme weather may require additional protection.

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We can help you solve any problem

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Global leading supplier of label and functional packaging material
We are located in Britsh Colombia Canada, especially focus in labels & packaging printing industry.  We are here to make your printing raw material purchasing easier and support your business. 
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