Bn powder 1. size: 80-100nm, 800nm, 1-15um 2. purity: 99%, >=99.5% 3. hexagonal and ... spherical 4.lubricants additive Particle Size80-100nm, 800nm, 1-15umPurity99%, >=99.5%ApplicationBoron nitride has various good performances. Widely ... used for:1. High voltage high frequency electricity2. Plasma arc's insulators3. ...