Powders of particles comprising a ceramic core and a coating of ceria deposited thereon provide an economical and effective abrasive for glass polishing formulations.

Los polvos de las partículas que abarcan una base de cerámica y una capa de ceria depositadas sobre eso proporcionan un abrasivo económico y eficaz para las formulaciones que pulen del cristal.
 
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< Pigment dispersions containing dispersants prepared by controlled radical polymerization having hydrophilic and hydrophobic segments

< Loom beams

> Laser processing method to a glass substrate and an optical diffraction element obtained thereby, and a method for manufacturing optical elements

> Vitreous filler for plastic materials and resins and method for obtaining same
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