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+49 2638 | 9317-0


We develop, test and monitor in an interdisciplinary team.
We have been the experts for “better concrete” since 1966.

Our service at a glance

The Building Material Testing Institute (Baustoffprüfinstitut – VMPA) of Rhein-Chemotechnik GmbH offers support from the quality assessment of the raw materials to recipe optimization and quality testing of finished concrete products. In addition, we advise on production adjustments to adapt to valid standards and new technologies.

We are pleased to give you a brief overview of the services of our concrete laboratory. In addition to the continuous self-monitoring of our products, we also provide services for our customers.


  • Compressive strength testing of concrete and mortar
  • Bending tensile strength of concrete and mortar
  • Tensile splitting strength of concrete
  • Testing the adhesive tensile strength
  • Technical application tests on our products as part of the factory production control (FPC)
  • Performance of application technology tests within our continuously innovative RC-product development

Our test units

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Bending tensile strength

Blending testing machine
up to 100 kN
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Compression testing machine

Compression testing machine
up to 3000 kN
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Pull-of adhesion tester

Instruments to test the adhesive tensile strength

So you have questions regarding work and development in our concrete laboratory?

Nothing is as individual as your product or your product idea. In addition to the production and development of concrete admixtures, we are also broadly positioned in the field of surface protection products. Together with our chemical laboratory, we develop individual coating concepts for your concrete block products. We can look back on decades of expertise in this field. Our sales staff will be happy to be your first point of contact for all questions regarding concrete chemistry and surface protection.

We will be happy to help you! Please contact us.

Your Inquiry

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    Your Inquiry

    Our Sales Staff will further assist you – over the phone or personally at your site. Schedule your consultation appointment today.

    We will be happy to help you! Please contact us.

    Your Inquiry

    Our Sales Staff will further assist you – over the phone or personally at your site. Schedule your consultation appointment today.

      Please prove you are human by selecting the Flag.

      Concrete admixtures for a wide range of applications

      We stock concrete admixtures for the concrete block industry, the precast concrete industry, as well as for ready-mixed and construction site concrete.
      Please contact us. We will be happy to advise you.

      Surface Protection Products
      Impregnation | Sealing| Coating

      Surface protection products protect the stone, increase the colour brilliance and extend its product life. Surface protection products from Rhein-Chemotechnik GmbH are tested according to strict quality specifications in our own laboratory and by independent, external institutes.

      Release Agents

      Our release agents from the tectol series enable you to create attractive and smooth concrete surfaces. tectol includes release agents for various formwork materials such as wood, plastic or steel. We will be happy to advise you.

      Cleaning and Maintenance Products

      Cleaning and maintenance in concrete and precast plants increase safety, improve working conditions
      and extend the service life of the assets. We will be happy to advise you

      Admixture Dispensers

      You can improve the properties of your fresh or hardened concrete with optimally dosed concrete admixtures. Our concrete admixture dosing systems help you get the most out of your product. We will be happy to advise you.

      Biodegradable Granulate

      PAVELITH® InterLay - the new and environmentally friendly layer separation for concrete block products. We will be happy to advise you.

      Service | Consulting | Chemistry and Concrete Laboratory

      The quality of our products and services ist of utmost importance. All products and services of Rhein-Chemotechnik GmbH are measured and evaluated in accordance with the specifications of a DIN EN ISO 9001 cerified quality management system.

      Welcome to Rhein-Chemotechnik GmbH

      With our team of 40 employees, we develop and sell high-quality concrete admixtures and surface protection products. With fixed project partners, we accompany you from the first enquiry to the use of our products on your site.


      Rhein-Chemotechnik GmbH
      Gewerbepark Siebenmorgen 8
      53547 Breitscheid

      Phone. +49 (0)2638 | 9317-0

      Business hours
      Mon - Thu 08.00 a.m. - 17.00 p.m
      Fri 08.00 a.m. - 16.00 p.m.