white fused alumina

What is the alumina content of white corundum?

What is the customs code (HS CODE) of white corundum? The customs code (HS CODE) of white corundum: 28181090 White corundum is also called white fused alumina, white aluminum oxide, white corundum, WA There is no VAT refund for white corundum exports MFN import tax rate 5% Ordinary import tax rate 20% Export tariff rate

Sodium content of white fused alumina Alumina α-Al2O3 in white fused alumina is the main substance that reflects its high temperature resistance, wear resistance, hardness and other properties, while sodium oxide in white corundum will produce sodium peraluminate during smelting and reduce white fused alumina. The formation of α-Al2O in white corundum affects the properties

The finest size of white corundum micropowder

What material is white aluminum oxide?