Foam Solutions

Meeting sustainability goals made easier with our high performing portfolio of resins.

Expanding the limits

Helping you meet your sustainability targets, our polyolefin foam solutions facilitate your transition towards a circular economy. Based on proprietary technology and made for ultra-lightweight foam applications, our broad portfolio of resin provides you with greater performance and better output from fewer raw materials.

With superior foamability and homogenous foam cell structure, they are tailor-made for solutions in industries such as packaging, sport, transport and construction.

Our customers also benefit from reliable and consistent supply, extensive industry experience, technical support and access to our innovation network.

As a leader in the polyolefin industry, we are committed to designing sustainable solutions because it’s circular thinking today that will provide us, our partners, and society, with a better tomorrow.

Expand your limits together with our dedicated polyolefin foam team
Expand your limits together with our dedicated polyolefin foam team


© Klöckner Pentaplast


Reduce – Reuse – Recycle is the future of packaging applications and is provided by our polyolefin foams. First, our foams offer the lowest carbon footprint by reducing the amount of packaging, while still ensuring food and goods reach consumers in the best possible condition. They are then able to fit within reuse systems as well as existing recycling streams, and are suitable for use in valuable second-life applications and recycled content, thereby closing the loop.

Our innovative foam solutions also answer the concerns of consumers, who are increasingly worried by the impact of non-circular packaging. They offer a viable alternative while providing you with low-cost, high-performance and sustainable packaging for the circular economy.


Reducing the weight of sports parts is essential in improving performance and energy spent, while keeping safety first. Our portfolio of foams includes the Queo range of plastomers and elastomers, which improves impact resistance, flexibility, and resilience, especially at low temperatures. This allows you to create parts that push the limits of your end consumer including insoles, cushion mats, padding, yoga rollers, and helmets.


The European Union is pushing for stricter CO2 emission regulations by the end of the next decade. To reduce fuel consumption, vehicle engineers and designers must now consider replacing traditional, heavy-metal automotive components with lightweight materials.

Our latest foam solutions for interior, exterior, and under-the-bonnet parts, offer greater lightweighting potential while reducing noise and offering high comfortability. They also enable you to produce parts with better foamability, high dimensional stability, minimised sink marks, and full performance, while remaining totally sustainable at end-of-life.


Our polyolefin foams have been used for sealing and thermal insulation, both commercially and domestically, thanks to their lightweight, hydrophobic and durable properties. With a growing demand for insulation and energy savings, and as society becomes more concerned with lowering CO2 emissions and recyclability, the use of polyolefin foams to support sustainable systems is increasing.

The flexibility and lightweight nature of the foams allows easy-to-install solutions, and also provides excellent thermal and acoustic insulation. Due to their strong commercial and sustainability benefits, they are being used in applications including flooring underlay, pipe insulation, composite panels, solar floating docks, ground plates for artificial turf, and office wall separators.

PO Foam Products

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Product Specifications
Product Melting

MFR 2,16kg
(g/10 min)
MFR 2,16kg
(g/10 min)

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Blown moulding
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Injecting moulding
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Borealis LDPE

Low density polyethylene (LDPE) foam production by extrusion process, without crosslinking, requires the use of a branched polymer. Branched polyethylene materials are produced by tubular and autoclave process.

CT7200 109 918
FA6220 111 922 antioxidant
FA6224 111 922 2,1 antioxidant, slip agent, antiblock agent
FT6230 111 923
Borealis EVA

Ethylene vinyl acetate (EVA) is a random copolymer of ethylene with various amounts of vinyl acetate (VA). With increased VA content, crystallinity decreases until around 50% of the EVA is amorphous. Excellent flexibility, softness and toughness at low temperatures also make it a good choice for foam materials.

OE5328I 73 950 antioxidant

Queo™ (Plastomers/Elastomers) is a polyethylene copolymer much softer than LDPE that, because of very low crystallinity, can be foamed in both non-cross linked and in cross-lined form. The low modulus and low glass transition temperature of Queo makes it an interesting candidate for softer PO foams, as a blending partner for LDPE, HDPE, and LLDPE, and PP foam to reduce stiffness and increase impact strength.

Queo™ 0201 96 902 processing stabilizers
Queo™ 7001LA 56 870 low amount of processing stabilizers
Queo™ 8201 75 883 processing stabilizers
Queo™ 8203 75 883 processing stabilizers
Borealis PP

Polypropylene (PP) is used in the foam injection moulding process in a variety of industries. PP foam unlocks the full lightweighting potential for foamed parts that also exhibit good mechanics, high purity, and excellent surface aesthetics across a range of foaming degrees. Depending on part design and applied foaming process parameters, weight savings of 5% – 15%, and more, can be achieved with this technology.

BA415E 210-230 900 0,45
RD734MO 147 905 8
TD109CF 131 6
Borealis HMS PP

Daploy ™ Conventional polypropylene (PP) is a linear polymer that is difficult to foam in the extrusion process, due to a lack of melt strength and a limited extensibility of the melt. Daploy™ WB140HMS is a long chain-branched PP polymer developed PP foam extrusion process. Unlike conventional PP, Daploy™ WB140HMS offers a combination of high melt strength and low melt viscosity due to shear thinning effect caused by the branched structure. This is also the case when the grade is combined with other polyolefin materials. Blending with outer polyolefin grades enables you to adjust stiffness, impact and cost in line with your requirements.

WB140HMS 164 2,2