The global Polishing Grade Alumina market was valued at US$ 342.6 million in 2022 and is projected to reach US$ 442.8 million by 2029, at a CAGR of 3.7% during the forecast period. The influence of COVID-19 and the Russia-Ukraine War were considered while estimating market sizes.   Polishing grade alumina for use in polishing and buffing compounds, abrasives and polishing media. A...