Zinc Metal Dust / Powder, Brand Name : Yixin

China origin zinc metal dust powder as follows :
commodity: zinc metal dust; zinc powder ; zinc dust.
quality : total zinc : 98.5% min,
zn metal : 95% min ;
zno : 4% max ;
fe: 0.4% max, cd: 0.1% max, pb: 0.20%max,
hcl insolubles: 0.05% max ;
fineness: 99% min passing thru 200mesh ; or
325mesh , 500mesh , 800mesh at buyer's request.
physical descriptionproperty: deep grey or silvery-grey powder, free flowing, odourless. Formula : zn ; zinc dust is produced from pure zinc metal 99.99% min. Boiling point : 906 deg c ; melting point : 420 deg c ; specific gravity : 7.1 ; un no.: nil; dangerous goods class : none allocated ; subsidiary risk : none allocated ; hazchem code : na ; pack group : 0 ; epg : na ; poisons schedule : na