Chemical Properties of Boron Nitride 
Technical of boron nitride
| Grade | PG | SG | CG-F | |
| Typical Applications | Cosmetic Industry, high purity ceramics | Paints and coatings | Misc. applications including ceramics | |
| Appearance (dry state): | Color | Pure White | White | White |
| Chemical composition: | Typical | Specifications | Specifications | |
| Chemical formula: | BN | BN | BN | |
| Total B+N | 99.6% | 99% min | 77% min | |
| Calcium | 0.014% | n/a | n/a | |
| Free Carbon | 0.001% | 0.02% max | 0.02% max. | |
| Iron | 78 ppm | n/a | n/a | |
| Oxygen | 0.03% | 0.45% max | 12% max | |
| Soluble Boron | 0.2% | 0.25% max. | 2% max | |
| Chloride | 38 ppm | n/a | n/a | |
| Aluminum | 78 ppm | n/a | n/a | |
| Silicon | 0.001% | n/a | n/a |
