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Superfine 99.9 nano Tungsten Disulfide powder WS2 nanopowder
Size:50-60nm, 200nm, 1-3um Purity:99.9% CAS No:12138-09-9 ENINEC No.:235-243-3 Appearance:black Powder Shape:Spherical
New lubrication and wear-reducing material ultrafine WS2 powder 0.4um-1um
Size:0.4-0.7um, 0.85-1.12um Purity:99.9% CAS No:12138-09-9 ENINEC No.:235-243-3 Appearance:black Powder Shape:Spherical
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