... and platinum alloy) 1.Purity:99.95% 2.Particle size:200mesh 3.Brand:JM,Heraeus,Anglo Product Description: ... Iridium PowderPurity:99.95%Particle size:200meshColor:dark grey powderBrand:JM,Heraeus,AngloPacking:100g,250 ... for use in the automotive and aviation industries. etc. Specification for reference as follows: Itemchemical compositionIr≥% Elements DetectedImpurity ...