Ultrapure oxygen-free copper 99.999%, 99.9999% Cu Ultrafine powder (copper powder) 99.999% Cu ingot 99.999% -99.9999% Al ingot (Aluminum ingots) 99.9995% Au + W ingot (gold + tungsten alloy) 99% Cs Cesium 99.9% Ni Wire (Nickel wire) ZnPowder (Zinc Powder) Check prices with our sales managers. Our product is not laboratory samples and we can offer some quantity and discuss cooperation. The product is of the highest quality and is probably the best or one of the best, perhaps the only one "in such a proposal in the world in terms of chemical purity and physical characteristics.