The German term “Duroplaste” derives from the Latin “durus”, meaning hard. English uses the name thermosets, which reflects how these plastics set permanently during curing. The international standard ISO 472:2013, …
Read more »Dr. Stefanie Schiestel
Hose Connectors: Which Type for Which Application?
In hose technology, hose connectors play an important role. They come in as many variants as the hoses they join. They extend, branch or repair hose lines and connect them …
Read more »Density Measurement: How Does a Hydrometer Work?
Determining the density of liquids plays an important role across many industries, for example in beverage and spirits production, the chemical industry, and oil extraction and refining. Density measurement helps …
Read more »Thermal Conduction: How does it work?
Thermal Conduction Simply Explained Alongside thermal radiation and convection, thermal conduction is one of the mechanisms that transfer energy in the form of heat. It is also called conduction or …
Read more »Compression Fittings vs. Cutting Ring Fittings
Compression fittings and cutting ring fittings are detachable connections and play an important role in the connection technology of hoses and pipes in order to create leak-free pipe connections. This …
Read more »Uses and Properties of the Halogens: What Fluorine, Chlorine & Co. Contribute
When hearing the term “halogen,” many people first think of lamps or headlights. However, halogens are found in numerous products we use every day. This article explains what halogens are …
Read more »The Difference Between Adsorption and Absorption
The two terms adsorption and absorption describe processes that take place at the interface between two phases. In adsorption, gases or liquids—known as adsorbates—adhere to the surface of a solid …
Read more »Preparing Solutions in Laboratory Practice
Among the fundamental tasks in a chemical laboratory are the preparation of solutions and the dilution of existing ones. A solution is defined as a homogeneous mixture of at least …
Read more »PFAS Ban: Will All Fluoropolymers Be Prohibited?
In the past, per- and polyfluoroalkyl substances were grouped under various terms such as per- and polyfluorinated chemicals, perfluorinated organic compounds, or highly fluorinated substances. In polyfluorinated alkyl substances, hydrogen …
Read more »Liquid Nitrogen: Applications and Safety Guidelines
Nitrogen makes up approximately 78% of the atmosphere. Liquid nitrogen is less commonly encountered in everyday life, yet it is a proven coolant with many advantages. It is relatively inexpensive, …
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