Polyoxymethylene (POM), also known as acetal, polyacetal, and polyformaldehyde, is an engineering thermoplastic used in precision parts requiring high stiffness, low friction, and excellent dimensional stability. As with many other synthetic polymers, it is produced by different chemical firms with slightly different … See more Polyoxymethylene was discovered by Hermann Staudinger, a German chemist who received the 1953 Nobel Prize in Chemistry. He had studied the polymerization and structure of POM in the 1920s while … See more When supplied as extruded bar or sheet, POM may be machined using traditional methods such as turning, milling, drilling etc. These techniques are best employed where production … See more • Mechanical gears, sliding and guiding elements, housing parts, springs, chains, screws, nuts, fan wheels, pump parts, valve bodies. • Electrical engineering: insulators See more • Dalziel Hammick • Forensic engineering • Forensic polymer engineering • Paraformaldehyde • Polymer degradation See more Different manufacturing processes are used to produce the homopolymer and copolymer versions of POM. Homopolymer To make … See more POM is typically very difficult to bond, with the copolymer typically responding worse to conventional adhesives than the homopolymer. Special processes and treatments have been developed to improve bonding. Typically these processes involve … See more Acetal resins are sensitive to acid hydrolysis and oxidation by agents such as mineral acid and chlorine. POM homopolymer is also susceptible to alkaline attack and is more susceptible to degradation in hot water. Thus low levels of chlorine in … See more WebPOM-C natural thermal properties parameter value unit norm comment Glass transition temperature -60 °C DIN EN ISO 11357 1) 1) Found in public sources. ... Thermal conductivity 0.39 W/(K*m) ISO 22007-4:2008 electrical properties parameter value unit norm comment surface resistivity Silver electrode,
Ertacetal C (Product Data Sheet) - Mitsubishi Chemical Advanced …
WebApr 12, 2024 · The thermal conductivities of neat POM were 0.35 and 2.60 Wm −1 K −1 in through-plane and in-plane directions, respectively. Anisotropic thermal conductivity of … Webthermal expansion x10-6 K-1 Heat-deflection temperature - 0.45MPa C Heat-deflection temperature - 1.8MPa C Lower working temperature C Specific heat J K-1 kg-1 Thermal … fischerscope x-ray xan500
Polyoxymethylene (hom.) Designerdata
WebJul 11, 2024 · Polyoxymethylene (POM) is a kind of engineering plastics with good comprehensive properties. It is widely used in machinery, automobile and other industrial … WebNov 1, 2010 · The results showed that the thermal conductive properties of POM were improved remarkably from the value of 0.36 W/(m K) for neat POM to the value of 1.15 … WebDec 2, 2024 · The size of the POM substrate is approximately 10 mm × 10 mm × 1 mm. ( e) Schematic diagram of POM/Cr/Au/SiO 2 /Cu device in the thermally triggered process. Lastly, we demonstrated the ... fischerscope® x-ray xdal® 237