New Case Study: Sealing solution for hydrogen control in fuel cell-based drive systems

A special design and material combination resulted in a simple but sophisticated sealing solution that ensures all requirements in terms of pressure stability up to 800 bar, media resistance and ease of installation with minimal installation space dimensions. This spring energized groove ring solution for tank pressure regulator valves combines customer needs of valve manufacturers from a technical and economic point of view.

Learn more about this case study.


New Case Study: Emission and fuel consumption reduction through seals made of high-performance plastics for high-pressure fuel pumps

Design optimization of the dynamic sealing system as a double-acting spring energized U-ring offers our customers decisive cost advantages. The optimized seal design makes a significant contribution to reducing emissions and fuel consumption in sealing systems for high-pressure fuel pumps.

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New Case Study: Thermo-X™ Heat Exchangers as a crucial component in production plants for renewable energies

Thermo-X™ Heat Exchangers used in the wet chemical etching of silicon wafers for photovoltaics offer the decisive advantage for a smooth and efficient production process due to their optimized surface properties.


Learn more in this case study

New Case Study: Sensor protection through high-performance plastics in aggressive liquids for food application

In cooperation with the customer ElringKlinger Engineered Plastics develops a sensor protection made of weldable high-performance plastics for metallic temperature sensors.A tailor-made solution for sealing against aggressive media in food applications in accordance with Hygienic Design guidelines and all food approvals.

Learn more in this case study

New Case Study: Special sealing solution for high-performance motors in surgical power tools

For use in an electric motor for surgical power tools, ElringKlinger worked with the customer to develop an ElroSeal™ high-performance rotary shaft seal with a special sealing lip and material concept for use in medical technology according to customer specification and according to medical FDA approval.


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New Case Study: High-Performance Diaphragms

The appropriate material selection in combination with the embossing manufacturing process of diaphragms enables a higher load capacity of insert component connections and prevents contact with the medium. This significantly increases the axial pull-out forces of the component to be connected.

Learn more in this case study


New Case Study: Moldflon™ high performance seals for thermal modules

The „Plug-and-Place“-sealing solution combines static and dynamic sealing functionality in one piece. By offering an one piece solution the customer was not only able to simplify the assembly concept but also reduce the risk of assembly errors or potential leakage.

Learn more in this case study

New Case Study: Assembly for Sensor Technology

Through joint development, we provide our customer with a final assembled assembly with appropriate packaging according to required standards. All components are manufactured or processed in-house or procured via approved and certified suppliers. - A real added value for the supply chain of our customer.

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Video: Process insights large scale seals

This video shows you insights into one of our core competencies: the production of XXL large scale seals and turned parts up to 3.000 mm. Let us convince you of our know-how. We are looking forward to your inquiry to sales.ekt[at]

Link to the Video



New Case Study ElroSeal™ rotary shaft seal with injection-molded housing for aircraft wing adjustment

Take your benefit from our know-how and experience! With this case study, ElringKlinger Engineered Plastics demonstrates the added value that creative sealing design can offer our customers.

Learn more in this case study


Your partner for turned parts and large diameter fluoropolymer seals

With our “state of the art” equipment we can now offer you turned parts with complex geometry and large  diameter PTFE seals up to 3,000 mm.
Our product portfolio of spring-energized seals, memory packings, piston rings, guide rings and bands, composite seals as well as V-packing sets is available to you in standard designs as well as in special designs tailor-made to your application. Of course, we also manufacture according to your drawings and specifications.
With our own material development and in-house compounding we are happy to support you in the selection of materials. In addition to high-performance plastics such as PTFE, many other materials such as UHMWPE or elastomers are also available.

Contact us, we will be happy to advise you! sales.ekt[at]


Expansion of the ElroSeal™ radial shaft seal product family

The product group "PTFE rotary shaft seals" has been further developed to offer our customers a greater variety of applications. In addition to the definition of a new standard series, there are now ElroSeal™ rotary shaft seals for high-speed applications. This new design, available in 4 types, has been specifically designed to provide a reliable sealing function under limit use conditions in industrial and automotive applications. It is therefore also very suitable for the special conditions in e-mobility applications.

Learn more about what high demands ElroSeal™ rotary shaft seals can meet.


New Case Study ElroSeal™ E - the new rotary shaft seal in the automotive sector

Changes in the automotive sector require the further development of radial shaft seals that meet very special requirements. Our new ElroSeal™ E rotary shaft seal is excellently equipped for these new dimensions.

Learn more in this case study

New Case Study rotary shaft seals for screw compressors

This is where a series of user reports reflecting our core competence: at ElringKlinger Engineered Plastics, challenges become innovative solutions.
This case study shows how a modification of our rotary shaft seals for screw compressors leads to the optimum result.

Learn more in this case study

Standard virgin PTFE sheets

Do you have high demand for standard virgin PTFE sheets or are you working on your raw material planning for 2021? We have the choice of PTFE sheets up to max. 3000x1000 mm at attractive prices.
Please contact Mrs. Egetenmeier at +49 7321 9641-54, sigrid.egetenmeier[at]
Dimensions marked in blue in the PDF are immediately available.

We are looking forward to your inquiry!



Expansion of sensor technology business field


Having already enjoyed many years of success within the mechanical engineering sector, ElringKlinger Kunststofftechnik is now also conquering the market for sensor applications. In various production processes we manufacture tailor-made protective coatings made of high-performance plastics for the sensor and measuring components of our customers.

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ElringKlinger Engineered Plastics receives Supplier Quality Excellence Award 2019 from GM

This award from automotive giant GM (USA) demonstrates that ElringKlinger Engineered Plastics is well equipped to meet the exacting demands of the automotive OEMs.

Consistent product quality and tailor-made customer service are reflected in this award.

PDF GM-Award-letter

ElringKlinger Engineered Plastics extends its product portfolio in the field of green energy

Following the successful market launch of the ThermoGeniusTM water heat exchanger M1 - M3, ElringKlinger Engineered Plastics has extended its product family to include a water heat exchanger that can also be used in shallow water.

The new ThermoGeniusTM F1 is the energy supply of choice for a heat pump that is used to heat and cool buildings near bodies of water, regardless of the type of water. Whether sea, lake or river - the decisive step towards green energy.

Technical Details

Engineered Plastics moves the world

Plastics provide answers to current and future challenges. Extremely flexible, highly resilient and light at the same time - only this material fulfils these properties. As a technology leader with innovative products for industries such as medical technology, mechanical and plant engineering, aviation and the automotive sector, we have accumulated plastics expertise over more than 50 years. And we are ready for more! Learn more about us ….

Company video

ThermoGeniusTM awarded the pro-K award 2019

On January 10, 2019, the ThermoGeniusTM water heat exchanger was awarded the pro-K award 2019 at the pro-K competition of the industry association Halbzeuge und Konsumprodukte aus Kunststoff e.V.

Each year, the pro-K award is given to the best consumer products made of plastic in recognition of their outstanding product properties. The main criteria for this award are innovation, product design, and - most of all - functionality. The pro-K award stands for quality in plastic and is the only competition that focuses exclusively on plastic products.

A total of 19 consumer products made of plastic, including products from Gardena and Kärcher, were winners in the ten categories of the pro-K award 2019. The winning products reflect the diverse applications of plastic, ranging from office supplies and household products to toys.

Find out more about the ingenious functionality of our water heat exchanger

Process Moments


At ACHEMA 2018, Managing Director Raik Lüder gave an insight into the fields of expertise of ElringKlinger Kunststofftechnik GmbH (EKT). The company’s success is based not only on innovative seals and structural components made from high-performance plastics. EKT is ideally positioned with a wide range of solutions based on the material of the future for various industries.


Watch video

Top innovators 2018

Bietigheim-Bissingen, July 2, 2018 +++ ElringKlinger Kunststofftechnik GmbH (EKT) has won the Top 100 award, making it one of Germany’s most successful innovation drivers. During the 5th German SME Summit in Ludwigsburg, the company from Bietigheim-Bissingen was awarded the coveted prize by Top 100 mentor, Ranga Yogeshwar. EKT will continue to convince the market by launching further product innovations well into the future. The company plans to break new ground—particularly in the field of medical engineering.


Immersion heaters – durable and safe

MoldflonTM-PFA coated Immersion heaters for heating of chemical aggressive process fluids. For use in various application e.g.


  • Electroplating
  • Chemical Industry
  • Food
  • Textile Industry
  • Environmental protection
  • Medical
  • Semiconductor Technology
  • Photovoltaics

read more

Assemblies made from High-performance plastics

Assemblies integrate a variety of technical requirements in a single component. They increase our customers’ vertical integration, thereby optimizing logistics processes by reducing the number of parts of suppliers and of parts to be purchased. 
A component from a single-source minimizes the complexity involved with parts assembly and …

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EKT obtains coveted IATF 16949 automotive certification

ElringKlinger Kunststofftechnik GmbH (EKT) has been awarded an important certification by IATF, the International Automotive Task Force. The IATF 16949 standard brings together existing general requirements pertaining to quality management systems in the (chiefly North American and European) automotive industry. “Around 30 percent of the more than 100 automotive manufacturers in existence follow these requirements of IATF members – including leading OEMs. With this in mind, we are proud to now be certified to this standard,” says EKT’s General Manager Raik Lüder. The IATF is a working group comprising major automotive manufacturers and their suppliers with the aim of harmonizing QM methods and standards introduced at national level.


link to certificate-pdf

New catalogue for Tubes

The new catalog Tubes made from high-performance plastics presents the concentrated know-how and the variety of designs of tubing made of POLYTETRAFLONTM-PTFE, and other MoldflonTM-materials for highest performance and functional reliability in a wide range of applications. This technical documentation provides customers from virtually all industries, such as medical technology, mechanical and plant engineering, automotive, electroplating, food processing, chemicals, etc., with a comprehensive overview of the use and design of tubes.


Tube catalogue

Heat shrink tubing

Heat shrink tubings made from PolytetraflonTM and thermoplastic materials like MoldflonTM FEP, PFA and PVDF are going to shrink under a heat influences like hot air. The integrated products like thermocouples or probes are electrical and thermal isolated against their environment and reliable protected from mechanical damages and aggressive media as well.
ElringKlinger Engineered Plastics provide you with extensive know-how in this field.


Go to Heat shrink tubing

Heat Exchangers

ElringKlinger Engineered Plastics enlarged it’s product range with Heat Exchangers made of MoldflonTM PFA -ECTFE -PVDF -PP or PE. Standard solutions as well as custom designs are available and supplied across a wide spectrum of global industries – reliable and in series.

For more technical details

ElringKlinger Kunststofftechnik now with class 8 clean room

For products with special requirements

The demands made on sensitive products in terms of cleanliness by various industries such as medical device technology are continually increasing.

Having launched our class 8 clean room, we now offer the option of clean room manufacturing in line with our commitment to serving our customers as a partner in the development and production of innovative components and assemblies to meet both current and future requirements.

In a separate, 953-square-meter production area at the Bietigheim-Bissingen plant, products with elevated cleanliness requirements are now manufactured in a controlled environment. Final processing/finishing and packaging are performed in a class 8 clean room.

The headquarter of ElringKlingerEngineered Plastics in Bietigheim-Bissingen achieves the certificate according EN ISO 13485:2012 + AC:2012. That stands for additional safety for customers of products from the medical industry

ISO 13485 is a standard that represents the requirements for a comprehensive management system for the design and manufacture of medical devices products. With this certification, we are working with a practical guideline for development and production of components and assemblies made of high-performance plastics for products in the medical industry. Furthermore, with the certificate we obtain a trust credit and a “door opener” into new potential markets.


ElringKlinger Kunststofftechnik achive GMP certificate. Process reliability for our food industry customers

Good Manufacturing Practice (GMP) are the practices required in order to conform to the guidelines recommended by agencies that control authorization and licensing for manufacture and sale of products for the food industry. These guidelines provide minimum requirements that food product manufacturer must meet to assure that the products are of high quality and do not pose any risk to the consumer or public.

ElringKlinger achive this certificate for the following products: seals, diapragms, tubings, foils, bellows, engineering parts and semi finished parts made of PTFE, PTFE-compounds, PFA and PE. ElringKlinger Kunststofftechnik can now offer their customers the process reliability they need for food applications.

link to certificate-pdf

ElringKlinger Kunststofftechnik introduces new production building

The new production building with extruder tower for tube-manufacturing is ready.
8,000 square meters of  addition space can be used from now on. Many Thanks to all who have been involved in this project.


ElringKlinger acquires specialty plastics producer Polytetra

Bietigheim-Bissingen/Mönchengladbach (Germany), October 21, 2014 +++ ElringKlinger Kunststofftechnik GmbH, Bietigheim-Bissingen, a subsidiary of ElringKlinger AG, has acquired from the former owners all interests in Polytetra GmbH, based in Mönchengladbach (Germany). The purchase agreements were signed on the day prior to this announcement.

Serving markets outside the automotive industry, the acquiree's technological focus is on developing and producing polymer-based heat exchangers and electric heaters used in industrial applications. The company's product portfolio also includes tubing and finished parts made of fluoropolymers and high-performance plastics.

The products are used primarily in the field of plant engineering, in the chemical industry, in the area of energy and power station technology as well as in the semiconductor industry. Polytetra can draw on many years of experience in R&D and has significant product expertise. In acquiring the company, ElringKlinger Kunststofftechnik GmbH has further strengthened its position in the industrial sectors outlined above, as well as securing additional growth opportunities in the production of modules and systems.