... price!) 1.Purity:92%, 95%, 99% 2.Particle size:1um 3.Packing: 1kg/bag 4.CAS No.: 7440-42-8 Product Description: Boron ... powder Purity:92%, 95%, 99% Particle size:1um Density: 2.34g/cm3Melting point ... powder: 1.Neutron absorber and neutron counter in nuclear reactor 2.Catalyst in ceramics industry and organic synthesis 3.High energy ...