Plastics are among the most widely used and indispensable materials<\/strong> in the modern industrial world. Lightweight, durable and easily mouldable, they have replaced metals, wood and glass in a wide range of sectors, opening up new possibilities for design and production.<\/p>\n But not all plastics are the same<\/strong>: their properties vary enormously depending on their composition, the manufacturing process and their intended use. Understanding how plastics are classified and what characteristics make them unique is the first step towards making an informed choice of the most suitable material for each project.<\/p>\n The term \u2018plastics\u2019 refers to a broad family of synthetic or semi-synthetic materials<\/strong> produced through the polymerisation of organic monomers.<\/p>\n In other words, they are compounds formed of long, flexible molecular chains (polymers)<\/strong>, capable of deforming under the action of heat or pressure and retaining the desired shape once cooled.<\/p>\n Depending on their thermal behaviour, plastics are divided into two main categories, which we examined in detail in a recent article: thermoplastics and thermosets<\/strong>. This is a fundamental distinction that determines their use, workability and recyclability.<\/p>\n Thermoplastics are plastics which, when heated, soften and can be reshaped multiple times<\/strong> without altering their chemical structure. This makes them ideal for manufacturing processes such as injection moulding, extrusion or blow moulding, offering considerable freedom in terms of shape and application. Their recyclability is a key advantage from a sustainability perspective<\/strong>: thermoplastics can be melted down, remelted and transformed into new products, thereby reducing waste and the consumption of virgin raw materials.<\/p>\n Thermosetting plastics behave in the opposite way<\/strong>: once heated, they undergo an irreversible chemical transformation that makes them rigid and non-deformable. They cannot therefore be reshaped, but they offer excellent performance in terms of mechanical strength, dimensional stability and thermal insulation<\/strong>. Although they are not as recyclable as thermoplastics, thermosets are indispensable in applications where high resistance to heat<\/strong>, stress and chemicals is required, such as in the automotive, aerospace and electronics industries.<\/p>\n Elastomers represent a third category of plastics<\/strong>, characterised by extremely high elasticity. They are formed of long polymer chains \u2013 composed of carbon, hydrogen, oxygen or silicon \u2013 linked by cross-links that allow the material to deform and return to its original shape after being stretched or compressed.<\/p>\n Most elastomers are thermosetting<\/strong> and require a vulcanisation process (using heat, radiation or a chemical reaction) to harden and stabilise. However, there are also thermoplastic elastomers (TPEs)<\/strong>, which combine the flexibility of rubber with the processability of thermoplastics, making them ideal for injection moulding and for soft components, seals and coatings.<\/p>\n Elastomers are used in numerous sectors: from technical textiles to mechanical engineering, right through to medical devices, where strength, elasticity and durability are required.<\/p>\n Plastics have become indispensable in every sector of manufacturing thanks to a unique combination of properties<\/strong> that make them cost-effective, durable and versatile. Here are the key characteristics that explain their success:<\/p>\n Every project requires a careful assessment of the physical and mechanical properties of the material. The main factors to consider when selecting a plastic material are:<\/p>\n Choosing the right material not only optimises production, but also improves the performance, durability and environmental impact of the final product<\/strong>.<\/p>\n Plastics continue to evolve<\/strong>, adapting to the contemporary industry\u2019s new demands for efficiency, sustainability and design. Understanding their characteristics and differences is essential to fully harness their potential, especially when working with a reliable and specialist partner such as Beschi, which is able to provide technical advice and bespoke solutions for every project.<\/p>\n In fact, for over fifty years, Beschi has been designing and manufacturing plastic textile accessories<\/strong><\/a> for spinning, dyeing and twisting processes. Cones, tubes, flanges and bobbins are produced using high-quality thermoplastic raw materials<\/strong>, selected to ensure precision, durability and long-term reliability.<\/p>\n In recent years, the company has invested in finding more sustainable solutions<\/strong><\/a>, introducing the use of recycled and regenerated plastics<\/strong>. This approach reduces resource consumption and emissions, whilst maintaining the technical performance of the components. Each product can be customised in terms of size, colour and application, and is designed to integrate seamlessly with modern automation technologies and Industry 4.0.<\/p>\nWhat are plastics?<\/h2>\n
The first category: thermoplastics<\/h2>\n
\nAmong the most common are:<\/p>\n\n
The second major category: thermosetting plastics<\/h2>\n
\nAmong the most commonly used are:<\/p>\n\n
Elastomers: flexibility and shape memory<\/h2>\n
The advantageous properties of plastics<\/h2>\n
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How to choose the right plastic<\/h2>\n
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Beschi plastic textile accessories: innovation and sustainability<\/h2>\n