1.High whiteness (>75). 2.High purity. 3.Low heavy metal proved by strict SGS test. 4.Smooth surface. 5.High aspect ratio. 6.Best Insulation. 7.Heat resistance reachs 1100íµ. 8.Have many specification and series. Particle Range: 600mesh ~1250mesh. 9.Afford many kind of surface treated, like Silicon Treated.
