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Introduction Cable bushings, also known as cable grommets, are used to ensure that electrical cables are laid cleanly and in compliance with building regulations. These parts are rings or short pieces of tubing made of an elastomer such as natural rubber, ethylene-propylene-diene rubber (EPDM) or acrylonitrile-butadiene rubber (NBR). Other high-quality plastics are also used for special applications. Here, cable sleeves fulfill a number of different tasks: Bundling of cable strands Abrasion protection [...]

Elastomers are dimensionally stable plastics that can, however, be elastically deformed when cold. These plastics play such an important role in today's industrial production that it is well worth taking a closer look at them: What are elastomers? What types of elastomers are there? How do the different elastomers differ from each other? What are the areas of application for elastomers? In the [...]

EPDM, or ethylene propylene diene rubber, is an entire class of high-quality synthetic rubbers. In the following, we would like to briefly introduce these polymers: What is EPDM and how is it manufactured? What are the special properties of ethylene-propylene-diene rubber? What is EPDM used for and where? What special advantages does EPDM have over other plastics? EPDM is used in numerous branches of industry for [...]

What are extrusion parts? Today, extrusion - along with injection molding - is one of the most important processes for manufacturing high-quality plastic parts. For this purpose, a viscous plastic melt is brought into a desired shape by means of a die. Due to the nature of the process, extrusion can be used to produce workpieces of almost any length, the shape of which is determined by the nature of the die. Depending on the [...]

What is FKM? The collective term fluororubber (FKM) covers a whole range of different rubber polymers containing fluorine. The monomer component of all fluororubbers is 1,1-difluoroethene, also known by the trivial name vinylidene fluoride. 1,1-difluoroethene contains a double bond through which the crosslinking reaction to the desired fluororubber takes place. For this reaction, known as copolymerization, various monomers can be used, which can be [...]