Applications / Case Studies
Molded rubber parts in hydraulic systems

30. September 2019

Hydraulics are crucial across many technical applications. Basically, they are utilized whenever a system is required to transmit a force or energy with the aid of a liquid. Examples in which hydraulics provide power transmission are motor vehicles, agricultural machinery, brake systems, machine tools, presses, injection molding machines or lifting platforms. Rubber parts are essential for hydraulic systems to function. Without rubber molded parts such as seals, scrapers and O-rings, there would be no hydraulic systems. In this blog post, we discuss the basics of molded rubber parts required by hydraulic systems, describing the special demands placed on the performance of the elastomers, and the main materials suitable for use in hydraulics.

NBR (acrylonitrile butadiene rubber)

05. August 2019

The automotive industry is a major consumer of technical moldings and other rubber products. Its specific requirements, particularly regarding resistance to mineral oils, fuels and greases, have made NBR a vitally important raw material in this sector. Acrylonitrile butadiene rubber, developed by Bayer in the 1930s, in short: nitrile rubber, is an excellent solution for many applications due to its properties and therefore will be the focus of this blog post.

Materials, Manufacturing, , Applications / Case Studies
Rubber components for the medical technology market

03. June 2019

Irrespective of whether a molded rubber part functions as a stand-alone medical device or is a component in a medical device – the medical technology market is heavily dependent on molded rubber parts. The manufacture of rubber parts requires a range of considerations to be taken into account, both in terms of the production technology and organization, to ensure compliance in this safety-sensitive sector. What exactly suppliers to the medical technology sector need to pay particular attention to is explained in this blog entry. In addition to production-specific challenges, we take a close look at aspects such as biocompatibility, quality management and cleanroom production.

Company News
HEPAKO new member of VDMA Medical Technology

12. May 2019

Hepako GmbH has recently become a member of VDMA Medical Technology. VDMA Medical Technology is part of the German Mechanical Engineering Industry Association (VDMA) and forms a platform for all aspects of production technology in the medical industry. The network targets the entire value chain, from material suppliers to mechanical engineering and medical technology manufacturers, right up to applications in hospitals.

EPDM rubber (ethylene propylene diene methylene rubber)

04. April 2019

Due to its all-rounder properties, the material ethylene propylene diene methylene rubber (EPDM) has found extensive application in a wide range of industrial areas. After its introduction in the 1960s, the use of EPDM increased rapidly, and it is now one of the most common elastomers.  Its versatility and good resistance against weather have made EPDM the material of choice for technical rubber products.   

In this blog post, we will discuss the various properties of EPDM in detail.

Applications / Case Studies
The importance of small hydraulic pressure accumulators with some examples of their use

01. February 2019

In the early days, before focusing on the production of precision rubber products, Hepako GmbH manufactured hydraulic accumulators and the accompanying rubber membranes indispensable for their function. At that time, Hans-Dieter Partosch, co-founder and managing director of Hepako GmbH for many years, published an article on the importance of small accumulators and examples of their application in the magazine Fluid - a German journal for hydraulics, pneumatics and component parts (edition Dec. 1979). Today's blog returns to this interesting and informative article, which has lost none of its relevance over the years. The original article is available as a download.

Company News
HEPAKO at T4M 2019

21. January 2019

We are going to exhibit at this year´s T4M. The trade show for medical devices takes place in Stuttgart from 7 - 9 May.

Please find more information in this blog post.

The value of technical data sheets

01. December 2018

Technical data sheets or material data sheets are part of routine business in all industrial sectors. They play an important role in the elastomer sector as the users of the data sheets are often very reliant on the information they contain. The topics under discussion in this blog posting are: How helpful are the material data sheets in reality? The problems associated with them and what to look out for when performing an evaluation. In addition, we look back at the tragedy of the 1986 Challenger space shuttle disaster and how it was linked to this issue.

Why silicone is so popular

29. September 2018

While the majority of elastomers like EPDM, FKM or NBR are unknown to the end user, silicone rubber is a material just about everyone knows. Although silicone rubber is inferior to other elastomers when it comes to mechanical properties, there are applications in virtually every industry. The reason for is explained in this blog.

Elastomer mechanical properties and how they are measured

30. July 2018

In this post, we are taking a look at the different mechanical characteristics of raw rubbers and compounds. In addition, we are investigating the underlying test methods.

Materials, Manufacturing, Transfer Molding, Injection Molding, Compression Molding, Vulcanization
How do you create a rubber component? A blog around and about the world of elastomers

07. June 2018

Rubber parts, or elastomers, are irreplaceable in many areas of our lives; yet most people know little about them so it’s fair to say the subject remains vague and mysterious. In this blog our hope is to open up the subject and provide a new insight for as broad an audience as possible. Therefore, this first article is about general topics around rubber parts.