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Usually a small amount of coating material in liquid form is applied on the center of the substrate, which is either spinning at low speed or not spinning at all. The substrate is then rotated at speeds up to 10,000 rpm to spread the coating material by centrifugal force. A machine used for spin coating is called a spin coater, or simply ...
Spin casting, also known as centrifugal rubber mold casting (CRMC), is a method of utilizing inertia to produce castings from a rubber mold. Typically, a disc-shaped mold is spun along its central axis at a set speed.
Slot-die coating is a non-contact coating method, in which the slot-die is typically held over the substrate at a height several times higher than the target wet film thickness. [23] The coating fluid transfers from the slot-die to the substrate via a fluid bridge that spans the air gap between the slot-die lips and substrate surface.
This makes them relatively expensive compared to other coating technologies. Unlike many other coating methods, they can however handle coatings with a very wide range of viscosities, from 1 to more than 50000 mPas, and are capable of producing extremely polished finishes on the coatings they apply. They have been produced in a variety of 3 ...
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The Sun is a Nigerian daily print newspaper founded and published in KiriKiri Industrial Layout, Lagos, Nigeria. [1] As of 2011, The Sun had a daily print run of 130,000 copies, and 135,000 for weekend titles, with an average of 80% sales. This made The Sun the highest-selling newspaper in Nigeria. [2]
Daily Post is a Nigerian newspaper published by Daily Post Media Ltd., based in Lagos. It reports on local and national news, politics, metro, business, entertainment, sports and opinions. In March 2015, the newspaper debuted the free distribution of its print version across Nigeria. [1] [2] [3]
NewsOnline Nigeria is an independent online newspaper based in Nigeria. [1] [2] It was founded by Mr Mmadubugwu Nonso Justice, ...