Brown Aluminium Oxide Manufacturers in Pune India, Brown Aluminium Oxide in Pune India. Pune's leading Brown Aluminium Oxide manufacturers, suppliers, trades, dealers, distributors in Pune, India offer Brown Aluminium Oxide manufacturers in Pune. Brown aluminum oxide is a high-purity and a durable material which is brown in color. It is very common in the grinding, sandblasting, and polishing processes because it is highly hard and tough.