Jan 01, 2013
Nano tungsten disulfide powder(WS2)8nm
1.Size:8.2(smallest) ----2000nm;
2.Purity: 99.9%;
3.Highest quality;
4.Good price.
Nano tungsten disulfide powder(WS2)8nmWe supply nanometer disulfide tungsten powder. Size: 8.2nm,60nm,200nm,300nm,600nm, 800nm,1um,2um,3um. Purity is...