PPSU (Polyphenylsulphone)
Designers are generally familiar with the classification of plastics under the common name thermoplastics, meaning plastics that can be melted and re-moulded, and thermoset, meaning materials which cannot be re-melted; however, it pays to understand the hierarchical structure of commodity, engineering, high performance and ultra polymers. The higher up a plastic is in this pyramid, the more specialized and sophisticated the properties. At the bottom you will find the most standard plastics and at the top is polyphenylsulphone, a high performance plastic for very specific applications.
As in so many instances, plastics are taking the place of metals. For example, the medical industry requires materials and products that ...
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