Dear Sir Madam, Type:Zinc 99.995% Alloy Or Not:Non-alloy Powder Or Not:Not Powder Surface:Smooth Standard Diameter:0.8mm~ 5mm Feature:good conductivity, corrosion resistance Application:capacitors, thermal spraying etc. Treatment:hydrogen annealing OEM:accept Certificate:ISO 9001 Sample:avilable packing:according to your request material:pure zinc