Engineering plastics are more expensive than standard plastics, therefore they are produced in lower quantities and tend to be used for smaller objects or low-volume applications (such as mechanical parts), rather than for bulk and high-volume ends (like containers and packaging). Engineering plastics have a higher heat resistance than standard plastics and are continuously usable at temperatures up to about 150 °C (300 °F).
Engineering plastics have gradually replaced traditional engineering materials such as metal, glass or ceramics in many applications. Besides equalling or surpassing them in strength, weight, and other properties, engineering plastics are much easier to manufacture, especially in complicated shapes. Across all different product types, more than 22 million tonnes of engineering plastics were consumed worldwide in 2020.[2]
Each engineering plastic usually has a unique combination of properties that may make it the material of choice for some application. For example, polycarbonates are highly resistant to impact, while polyamides are highly resistant to abrasion. Other properties exhibited by various grades of engineering plastics include heat resistance, mechanical strength, rigidity, chemical stability, self lubrication (specially used in manufacturing of gears and skids) and fire safety.
Examplesedit
A comparison of standard plastics, engineering plastics, and high-performance plastics
^IAPD Education Committee. . Basic Plastics Education tutorials. International Association of Plastics Distributors. Archived from the original on 2 March 2012. Retrieved 13 June 2012.
^"Ceresana Market Study 'Engineering Plastics'". Retrieved 2021-11-24.
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engineering, plastic, this, article, needs, additional, citations, verification, please, help, improve, this, article, adding, citations, reliable, sources, unsourced, material, challenged, removed, find, sources, news, newspapers, books, scholar, jstor, decem. This article needs additional citations for verification Please help improve this article by adding citations to reliable sources Unsourced material may be challenged and removed Find sources Engineering plastic news newspapers books scholar JSTOR December 2009 Learn how and when to remove this template message Engineering plastics 1 are a group of plastic materials that have better mechanical or thermal properties than the more widely used commodity plastics such as polystyrene polyvinyl chloride polypropylene and polyethylene An ABS 3D bell manufactured with a 3D printerEngineering plastics are more expensive than standard plastics therefore they are produced in lower quantities and tend to be used for smaller objects or low volume applications such as mechanical parts rather than for bulk and high volume ends like containers and packaging Engineering plastics have a higher heat resistance than standard plastics and are continuously usable at temperatures up to about 150 C 300 F The term usually refers to thermoplastic materials rather than thermosetting ones Examples of engineering plastics include polyamides PA nylons used for skis and ski boots polycarbonates PC used in motorcycle helmets and optical discs and poly methyl methacrylate PMMA major brand names acrylic glass and plexiglass used e g for taillights and protective shields The currently most consumed engineering plastic is acrylonitrile butadiene styrene ABS used for e g car bumpers dashboard trim and Legos Engineering plastics have gradually replaced traditional engineering materials such as metal glass or ceramics in many applications Besides equalling or surpassing them in strength weight and other properties engineering plastics are much easier to manufacture especially in complicated shapes Across all different product types more than 22 million tonnes of engineering plastics were consumed worldwide in 2020 2 Contents 1 Relevant properties 2 Examples 3 See also 4 ReferencesRelevant properties editEach engineering plastic usually has a unique combination of properties that may make it the material of choice for some application For example polycarbonates are highly resistant to impact while polyamides are highly resistant to abrasion Other properties exhibited by various grades of engineering plastics include heat resistance mechanical strength rigidity chemical stability self lubrication specially used in manufacturing of gears and skids and fire safety Examples edit nbsp A comparison of standard plastics engineering plastics and high performance plasticsAcrylonitrile butadiene styrene ABS Nylon 6 Nylon 6 6 Polyamides PA Polybutylene terephthalate PBT Polycarbonates PC Polyetheretherketone PEEK Polyetherimide PEI Polyetherketoneketone PEKK Polyetherketones PEK Polyketone PK Polyethylene terephthalate PET Polyimides Polyoxymethylene plastic POM Acetal Polyphenylene sulfide PPS Polyphenylene oxide PPO Polysulphone PSU Polytetrafluoroethylene PTFE Teflon Poly methyl methacrylate PMMA See also editHigh performance plasticsReferences edit IAPD Education Committee Amorphous and Semi Crystalline Engineering Thermoplastics Module 4 Basic Plastics Education tutorials International Association of Plastics Distributors Archived from the original on 2 March 2012 Retrieved 13 June 2012 Ceresana Market Study Engineering Plastics Retrieved 2021 11 24 nbsp This article about polymer science is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Engineering plastic amp oldid 1203889822, wikipedia, wiki, book, books, library,
