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About Us

A Flexible OEM Partner... At Sigma, we are a team of dedicated experts who love turning ideas into solutions in polymer innovation with a strong focus on our customers. We specialize in the manufacturing and subcontracting of polymer solutions in rubber, silicone, and polyurethane, as well as bonding of these materials to metals and plastics and offer a collaborative journey from idea to creation. From material selection to tool design, we guide you through the process, ensuring the end result meets your exact specifications.

Örebro, Sweden

Core competence: Food compliant applications
Plant established: 1946

Havdhem, Sweden

Core competence: Polyurethane casting & Mixing
Plant established: 1974

Laxå, Sweden

Core competence: Silicone extrusion
Plant established: 1999

Kuressaare, Estonia

Core competence: 2K Rubber Injection
Plant established: 2007

Pori, Finland

Core competence: Rollers
Plant Established: 1983

Poznań, Poland

Core competence: Pipe seals & Mixing
Plant Established: 1984

Sigma specializes in the manufacturing and subcontracting of polymer solutions in rubber, silicone, and polyurethane, as well as bonding of these materials to metals and plastics. At Sigma, we are a team of dedicated experts who love turning ideas into solutions in polymer innovation with a strong focus on our customers.
© 2026 Sigma Polymer Group AB, All Rights Reserved. Quality by Digitalpartner
New Acquisition!

Sigma Polymer Group has acquired M.O.L. ROMGUM in Poland, bringing the expertise in the field of high precision pipe seals for drinking water and wastewater applications to Sigma. Click here to visit the M.O.L. ROMGUM webpage!

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