Injection moulding of technical plastic parts

material
& technology

Materials and technologies
For plastic components

The right type of materials and manufacturing techniques are essential to produce durable and functional products. We act as a strategic partner throughout product development, guiding our customers to the right material for the right application. Whether the requirements are mechanical strength, chemical resistance, temperature resistance or durability.

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Sustainable material choices

We work closely with our suppliers who keep us updated on new materials reaching the market. Not to miss out on the ”winners” among new materials - the materials that revolutionise product development in different niches.

Plastic

Plastics are one of today's most versatile construction materials and are used in everything from medical technology to industry and vehicles.

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Silicone

Silicone is a high-performance material that combines flexibility, durability and chemical resistance.

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Rubber

Rubber is a key material in many technical parts where flexibility, durability and tightness are crucial.

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Advanced injection moulding of technical plastic parts

Our high-tech production is manned around the clock and equipped with robotic injection moulding machines in sizes from 25 to 500 tonnes. Here we produce technical plastic parts with a high degree of automation and consistent quality. Our strength lies in the combination of material knowledge, technology and production. We are involved early in the development process and ensure that material selection, design and manufacturing methods work together for the best possible results.

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Production at Liljas Plast in Vansbro
Technology

Injection moulding in plastic, silicone and rubber

With highly automated production and specialist silicone expertise, we deliver injection moulded components with high quality, repeatability and delivery reliability - from prototype to series, around the clock.

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Materials & technologies

Material selection according to the Plastic Material Pyramid

The Plastic Material Pyramid is a recognised framework for structuring and evaluating material choices in the plastics industry, where plastic materials are divided into different levels based on performance, cost and application. The model ranges from standard plastics at the base of the pyramid to high-performance engineering plastics and speciality materials at the top. By working methodically based on the Plastic Material Pyramid, we can ensure that each application gets a material that meets the right requirements for function, strength, service life and economy.

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News & insights

Lilias Plastic Logo
Other
Press release Hillerstorp 2026-02-26

Expertise gathered under one name

Liljas Plast is changing its name, integrating its sister companies Bobe Plast in Vansbro and Polymega in Lagan under the Liljas Plast brand. The change means that the Group's Swedish production facilities in Hillerstorp, Lagan and Vansbro will operate under the same name - Liljas Plast. The Group's Chinese operations, Liljas Plastic, will continue to operate under the existing name...

three people with bouquets suspended in the air
Other
News item 2025-11-10

Liljas Plast Group awarded the Nothin Prize 2025

Liljas Plast Group has been awarded the Nothin Prize 2025 - one of the Gnosjö region's most prestigious awards for sustainable and exemplary entrepreneurship. The prize is awarded annually to companies that have demonstrated profitability, innovation, good ethics and a strong commitment to the region's development over a long period of time. An honour for long-term entrepreneurship The Nothin Prize has been awarded since 1984...

man in production at Liljas Plast in Vansbro
Technology
News item Vansbro 2025-08-10

Long experience as a production technician at Bobe Plast

Bobe Plast was founded in 1969 with a focus on injection moulding of engineering plastics and since 2001 has been part of the Liljas Plast Group, a community driven by technology and people. Liljas Plast Group strives to create a workplace where people are deeply engaged in their work and feel that they...

We work with the Plastic Material Pyramid on a daily basis and have extensive experience in translating theory into practical application in the form of technical plastic parts and technical plastic components for demanding industrial environments. We continuously monitor the development of new thermoplastics and material modifications that are launched on the market. In close collaboration with our material suppliers, we evaluate and test new materials early in the development phase to identify the solutions that really create customer value. This allows us to guide our customers to a strategic material choice that enhances product performance, enables efficient production and creates long-term competitiveness.