High-end brush strip
A glass polishing disc and a method for its manufacture, characterized in that the raw materials of the polishing disc comprise abrasive grains, fillers, resin, a curing agent, and an accelerator. The abrasive grains are either core-shell composite alumina-ceria abrasive grains or alumina surface-diffused ceria abrasive grains. The fillers include thermally conductive fillers, reactive fillers, and pore-forming agents. The resin is an unsaturated polyester resin. The composite abrasive grains used in the polishing disc of this invention not only possess the strong grinding power of α-Al2O3 but also exhibit the rapid polishing performance associated with the mechanochemical polishing mechanism of ceria polishing powder. Moreover, thanks to the soft shell containing Ce3+, these grains reduce scratches on the glass polishing surface, resulting in high polishing flatness and excellent surface finish. The advantages of this invention include low cost, simple manufacturing process, rapid enhancement of glossiness, long-lasting gloss retention, and low grinding temperatures that prevent workpiece cracking.
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A glass polishing disc and a method for its manufacture, characterized in that the raw materials of the polishing disc comprise abrasive particles, fillers, resin, a curing agent, and an accelerator. The abrasive particles are either core-shell composite alumina-cerium oxide particles or alumina particles surface-diffused with cerium. The fillers include thermally conductive fillers, reactive fillers, and pore-forming agents. The resin used is an unsaturated polyester resin. The composite abrasive particles employed in the polishing disc of this invention not only possess the strong grinding power of α-Al2O3 but also exhibit the rapid polishing performance associated with the mechanochemical polishing mechanism of cerium oxide polishing powder. Moreover, thanks to the soft shell of cerium oxide containing Ce3+, the disc reduces scratches on the glass polishing surface, resulting in high polishing flatness and excellent surface finish. The advantages of this invention include low cost, simple manufacturing process, rapid enhancement of gloss, long-lasting gloss retention, and low grinding temperature, which prevents workpiece cracking.
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