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About us

SITRAPLAS GmbH is a compounder of technical polymers. The company offers its customers from various industries a comprehensive product range of sophisticated compounds.

At our production site in Bünde, Germany, we manufacture engineering plastic compounds based on a wide variety of base polymers and their blends. We refine materials such as PC, PC+ABS, ABS, PMMA, PBT and many other polymers as well as polyolefins according to customer requirements to specific high-performance products.

With brand names such as SITRALON®, SITRAMAC, SITRADUR® and others,® we are represented in numerous applications of our automotive customers. But industries such as household appliance manufacturers, the electrical and electronics industry, medical technology and many others also count on our expertise as a problem solver and supplier of high-quality plastics with special properties. From Bünde, we also supply our customers to production sites around the world via our distribution partners.

The success of our company is based on a strong team that realizes the development and production of high-quality compounds every day with motivation and commitment. The many years of experience of our employees in process engineering, formulation and colorimetry are the guarantee for innovative products with a high quality standard.

Our company is ISO 9001:2015 and ISO 50001:2018 certified.

With our dedicated colleagues, a quarter of whom work in the field of quality assurance, as well as research and development, we stand for advanced formulation and fast support.

We are constantly optimizing our company-specific processes in terms of energy and quality in order to present our customers with products that not only meet high-quality criteria, but also make a sustainable contribution to the most climate-neutral use of our resources possible. This commitment is reflected both in the products in our GREEN COMPOUND range and in our active participation in research projects on current topics.


Maybachstr. 23
32257 Bünde

+49 5223 49 10 90


SITRAPLAS partners with you to produce individual resin compounds for state of the art product solution.


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