The material for your customized solution.
PVC compounds that set standards. Solutions that connect. The demands on PVC end products are constantly increasing – higher quality standards, tighter schedules, growing individualization. Since 1974, West-Chemie has been your flexible, reliable, and experienced partner for the plastics processing industry.
We develop and produce tailor-made PVC compounds for extrusion and injection molding – precisely tailored to applications, production processes, and markets throughout Europe and beyond.


What makes us special.
Our strength lies in tailor-made solutions that are technically convincing and practical to use. Through state-of-the-art production, short distances, and responsible action, we create added value—for our customers, the environment, and society.

Specialist for
PVC compounds
Development and production of customer-specific formulations – individually tailored to your application, color, stability, and processing.

Flexibility &
speed
Automated production processes and its own truck fleet enable fast response times – even for short-term needs or special requests.

Sustainability
with substance
Certified energy management according to DIN EN 50001, use of environmentally friendly materials, and active social commitment.
Our history –
From vision to expertise.
In 1974, founder Gerhard Grün laid the foundation for West-Chemie in Greifenstein. With his clear vision of quality, customer focus, and specialized expertise in the PVC market, he began a success story that continues today as a family-run business—with continuous development, state-of-the-art technology, and an eye toward a sustainable future.
Founded in Greifenstein
Founded in Greifenstein, family-run from the start—with a clear vision: quality, proximity, and specialist expertise in the PVC market.
Expansion of production capacities
With modernized facilities and expanded production areas, the next step in growth has been initiated.
Expansion of technical expertise
Investment in automated production, laboratory technology, and formulation development.
New construction of the administration building
Due to its strong business development, West-Chemie moved into a modern office building at its Beilstein location.
Expansion of its own truck fleet
With modern tarpaulin and silo vehicles, West-Chemie strengthens its flexibility, delivery reliability, and customer proximity.
Honoring the founder
On the occasion of his 70th birthday, the street leading to the company was renamed "Gerhard-Grün-Straße" – a special honor for the founder.
50 years of West-Chemie
The company is celebrating its anniversary as an independent family business—with tradition and a strong vision for the future.
Today
Focus on extrusion and injection molding, technical consulting, fast delivery, and sustainable manufacturing.
Future
Climate-friendly innovation: With Westgran Biovin and energy-efficient production, we are setting standards for PVC expertise in Europe.









Our values.
Since our founding, we have combined experience with a spirit of innovation. We develop solutions that are sustainable in the long term, created in close cooperation with our customers, and implemented with consideration for the environment and society.

Solution-oriented & cooperative
From initial consultation to series production
Rich in tradition & independent
A family business with vision
Responsible & sustainable
For people, the environment, and the future
Reliable & flexible
Development, production, and logistics from a single source
Better together:
Partnership on equal terms.
For us, partnership means more than just cooperation—it is the basis of our success. We value open dialogue and honest cooperation. By listening carefully, developing solutions together, and delivering reliably, we create connections that are technically convincing and humanly lasting.
What's currently on our minds.
News from the laboratory, production, and development. New products, innovations, and events—directly from Beilstein.
Your future at West-Chemie.
Join us in shaping the world of plastics—reliably, responsibly, and with a wealth of opportunities.
