... temperature up to 1750°C4. Never rust, and can roll without lubrication.5. More corrosion resistant ... , heat-resistant, anti- oxidant, and corrosion resistant, in salt solution and other chemicals. One feature of Al2O3 ... C. Al2O3 ball is mainly used for pump, valve and flow-meterNote:1. Al2O3content is 99.5%2. ... for application in HCI acid, HF acid and strong alkaliIf you are interested in this product ...