Hafnium powder 
 Name: Hafnium powder not less than%: 99.5,99.9 99.99 Size: -100 mesh, -150 mesh, -200 mesh, -300 mesh --- 2200 mesh quality according to national standards for acceptance, prices are lower than market price, I am only responsible for the delivery. Hope to work with you happy customers willing to establish long term business relationship, the company in good faith based, customer first, won the business trust, please call Qia.