... chip, no odour, no volatilization, high hardness Ceramic media (angle cut cylinder shape) Parameter: CompositionBrown aluminumoxide mediaWhite aluminumoxidemediaPorcelain media White ... , Polishing and Fine Polishing. Company information:Zhejiang Humo Polishing Grinder Manufacture Co.,Ltd takes an area of 120,000 square ... for mass finishing products in the world. ceramic media angle cut cylinder shape