PolarShield® Paperboard Portfolio
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A paperboard solution engineered for frozen foods, PolarShield delivers reliable uniformity.
With consistent, high-quality printability and protection against moisture and fluctuating temperatures, packaging made with PolarShield keeps products protected through the supply chain and sets them apart in the freezer aisle.
Our PolarShield® Paperboard Portfolio
PolarShield Canister
PolarShield Canister delivers reliable rim-curling performance for scrounds, tubs and canisters. With strong, consistent printability and a variety of LDPE configurations, PolarShield Canister can meet a wide range of barrier performance needs.
PolarShield Ovenable
PolarShield Ovenable is a single folded carton that replaces multi-part packaging, going from freezer to oven to table. It offers moisture resistance, thermal stability, and consistent printing in a convenient design.
Features
This material features an extruded barrier polymer available in a clear option, performing from -40°F(-40°C) to 428°F (220°C). It is moisture resistant with a smooth surface and uniform polymer coat-weight. Designed as a single-package solution, it offers strong heat-sealing performance across various technologies, including hot air, platen, and microwave.
Benefits
It delivers thermal stability and maintains integrity throughout cold distribution cycles. The material provides strong ink holdout and consistent printing, improves efficiency and throughput on high-speed forming and filling equipment, and supports sustainability by replacing multi-part packages with a single folded carton. Its heat sealability also enhances flexibility and operational efficiency.
Applications
Ideal for frozen foods, retail foods, and foodservice.
PolarShield PET
PolarShield PET provides strength and thermal stability for frozen packages in dry conditions. Ideal for frozen and bakery items, it goes from shelf or freezer to conventional or microwave oven.
Features
This material includes an extruded barrier polymer, available in a clear option, that performs from -40°F(-40°C) to 428°F (220°C). It has a smooth surface and uniform polymer coat-weight, offering a single-package solution with strong heat-sealing across hot air, platen, and microwave technologies.
Benefits
It delivers excellent thermal stability and enhances efficiency and throughput on high-speed forming and filling equipment. Its heat sealability also improves operational flexibility and overall efficiency.
Applications
Ideal for frozen foods, retail foods, and foodservice.
Additional product information
Sustainability
- All Smurfit Westrock North American paperboard mills are certified to the SFI®, PEFC/29-31-216, FSC® Chain of Custody Standards. Contact your Smurfit Westrock sales representative for certified fiber availability for this product.
- Certificate Codes: SFI Certified Sourcing: NSF-SFI-CS-6S751, SFI CoC: NSF-SFICOC-6S751, PEFC: NSF-PEFCCOC-6S751, FSC Company Code: FSC-C104002
Quality
- Produced at an ISO 9001 certified facility.
Environmental and Product Safety
- Notices under US California Proposition 65 and the EU REACH regulation are not required.
- Elemental chlorine free (ECF) bleached fiber.
- Meets heavy metal limits of the US Model Toxics in Packaging rules and Article 11 of EU Directive 94/62/EC.
Food Contact
- Meets multiple national requirements for food contact packaging, e.g., US, Canada, Germany and the EU. Contact your sales representative for information on specific markets and end uses.
This information is subject to change without notice.
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