Dr. Karl-Heinz Heise

Knowledge of a material’s hardness is indispensable for its proper application. In response to this need, hardness testing methods were developed, particularly over the course of the last century. However, …

Persistent Organic Pollutants (POPs) are organic compounds that are harmful to humans and animals and degrade only very slowly in the environment. They contaminate air, soil and water and can …

Screws, Nuts, and Threads – a Brief Overview What do a toothpaste tube, a jar of jam, a water bottle, and a light bulb have in common? A screw connection. …

In 2011, people became ill, and some even died as a result of an EHEC outbreak—an intestinal infection caused by the enterohemorrhagic Escherichia coli bacterium. The cause was fenugreek sprouts …

HPLC stands for High Performance Liquid Chromatography. This technique is used for both preparative and analytical separations. In biochemical research, HPLC is especially useful for preparing and analyzing substances with …

If you need to insulate a damaged cable or install new wiring, it’s always a good idea to have a few heat shrink tubes on hand. Thanks to their adaptable …

Polyethylene (PE) is one of the plastics that, thanks to its favourable material properties, has found a wide range of applications and become an indispensable mass-market material. Polyethylene – The …

Plastics are used in countless applications thanks to their versatile modifications and properties. They can be found in nearly every area of daily life, whether in a car, on a …

Polymers for Safe Contact With Food and Beverages Whether as PET bottles, packaging films, or tubes and hoses in machines for processing meat, fish, poultry and dairy products, in equipment …

Valves are part of our everyday life – in water taps, bicycle valves, or as 3-way mixing valves in heating systems. The latter regulate the flow rates of liquids or …