Commodity:Lanthanum oxide Formula:La2O3 Appearance:White powder Purity:99%~99.9999% TREO:99% Impurities:Below the national standard Use:Mainly used in making optical glass parts and optical fibers for electronic industry. Also often used in ceramic industry and catalysts, etc. Packing: In an iron drum of 25/50 kgs net with sealed inner double polyethylene bags of 25/50kgs net . Any special requirements are negotiable.