A-Polyimide-Applications-Custom Design Circuit Board Electronic Pcb

- Dec 31, 2016-

A-Polyimide-Applications-Custom Design Circuit

Board Electronic Pcb

Applications

Polyimide powder can be used to produce parts and shapes by sintering technologies (hot compression molding, direct forming, and isostatic pressing). Because of their high mechanical stability even at elevated temperatures they are used as bushings, bearings, sockets or constructive parts in demanding applications. To improve tribological properties compounds with solid lubricants like graphite, PTFE or molybdenum sulfide are common. Polyimide parts and shapes include P84 NT, VTEC PI, Meldin, Vespel and Plavis.

In coal-fired power plants, waste incinerators or cement plants, polyimide fibres are used to filter hot gases. In this application, a polyimide needle felt separates dust and particulate matter from the exhaust gas.

Polyimide is also the most common material used for the reverse osmotic film in purification of water, or the concentration of dilute materials from water, such as maple syrup production.

Multi-layer insulation used on spacecraft is usually made of polyimide coated with thin layers of aluminum. The gold-like material often seen on the outside of spacecraft is actually single aluminized polyimide, with the single layer of aluminum facing in. The yellowish-brown polyimide gives the surface its gold-like color.

The IKAROS solar sailing spacecraft uses polyimide resin sails to operate without rocket engines.


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