Primex adds biobased Prime Sulapac sheets to its eco-friendly line

USA – Primex has launched Prime Sulapac sheets in the United States, bringing a cutting-edge, wood-based material to thermoforming manufacturers seeking sustainable alternatives to traditional plastics.

Developed by Finland’s Sulapac Ltd., the award-winning biocomposite is now available in sheet form for a wide range of U.S. packaging applications.

The move marks a significant step forward in the green transformation of the thermoforming sector.

Combining biodegradable biopolymers and wood from industrial side streams, Sulapac offers a blend of natural beauty, strength, and functionality—ideal for packaging inserts, point-of-sale displays, logistics trays, blister packs, and single-use food packaging.

Primex, a leader in custom sheet extrusion and material innovation, sees the partnership with Sulapac as a strategic opportunity to help clients meet growing environmental demands while maintaining high production standards.

 “At Primex, we believe sustainability should never mean compromise,” said Kees Bras, Vice President of Sales at Primex.

“With Prime Sulapac, we’re offering our customers a material that is as responsible as it is reliable—and as beautiful as it is biodegradable.”

Designed for people, planet, and performance

Prime Sulapac boasts a high bio-based content and is certified industrially compostable by BPI. Its low carbon footprint and lack of persistent microplastics or toxic chemicals make it a compelling solution for environmentally conscious brands.

The material is also mechanically recyclable, offering multiple end-of-life options to reduce waste.

“Our key design principle is to create materials that are safe for people and the planet,” said Joona Kontinen, Growth & Innovations Manager at Sulapac Ltd.

“We back this with rigorous testing that often exceeds current regulatory standards.”

Enhancing efficiency in thermoforming

In addition to its sustainability profile, Prime Sulapac provides tangible operational benefits. Unlike many bio-based materials that require precise processing conditions, it features **natural insulating properties and broad temperature tolerance.

This translates into up to 20% energy savings and reduced heating times, streamlining production and lowering operational costs.

With this U.S. debut, Primex is positioning Prime Sulapac as a drop-in replacement for conventional plastics such as PS, PP, and PET—without sacrificing performance or visual appeal.

The sheets offer a smooth, refined surface ideal for high-end branding and presentation.

This launch aligns with increasing regulatory pressure and consumer demand for sustainable packaging solutions, especially with forthcoming policies like the EU’s Packaging and Packaging Waste Regulation (PPWR).

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