Silicon Nitride

Grade

Si3N4

N

Si

Fe

Al

Ca

O

C

α-Si3N4

Main Size

FD90

93%-95%

≧36%

≧58%

≦0.5%

<0.2%

/

/

/

/

200mesh,325mesh,1000mesh

FD95

95%-97%

≧37.5%

≧58%

≦0.5%

<0.2%

/

/

/

/

200Mesh,325mesh,1000mesh

FD99-α

99%

≧38%

≧59%

<300ppm

<250ppm

/

/

/

≥93%

D50:0.4-1.2,D50:0.7um, D50:1um,1000-mesh

FD99-β

99%

≧38%

59.5%-60%

<300ppm

<250ppm

/

/

<200ppm

/

D50:1um;1000Mesh

FD3N

99.90%

≧38.5%

/　

≦200ppm

≦200ppm

≦200ppm

/

/

≧93%

D50:0.7um micro powder

FD4N

99.99%

≧38.5%

/　

≦20ppm

≦20ppm

≦20ppm

≦1.4%

/

/

D50:0.7um micro powder