Desc:Superior Quality Boron Carbide B4c Powder with Grain sizes F4-F2000...for Different ApplicationsBoron Carbide Powder (B4C) a black crystal powder, is ...
Desc:Great Quality Boron Carbide B4c Powder with Grain sizes 1-3/3-5/2-5mm F4-F1500...for Different ApplicationsBoron Carbide Powder (B4C) a black crystal ...