Ultrafine / Superfine Silicon Nitride Powder (Si3N4)

Ultrafine Silicon Nitride Powder Price & List

Product Name	Purity	Shape	Spec.	N	O	C	Impurity	Si-free
Ultrafine Silicon Nitride Powder	≥99.99%	β-phase	D50 2.2-3.2 um	> 38%	< 1%	< 0.2%	< 20 ppm	< 0.5%
Ultrafine Silicon Nitride Powder	≥99.98%	α-phase	D50 1.8-3.0 um	> 38%	< 1%	< 0.3%	< 150 ppm	< 0.5%
Ultrafine Silicon Nitride Powder	≥99.95%	α-phase	D50 < 0.8 um	> 38%	/	< 0.3%	< 500 ppm	/
Ultrafine Silicon Nitride Powder	≥99.97%	α-phase	D50 < 3.2 um	> 38.5%	< 1.2%	< 0.3%	< 300 ppm	< 0.5%
Ultrafine Silicon Nitride Powder	≥99.60%	α-phase	D50 < 0.8 um	> 38%	< 2.5%	< 0.3%	< 0.4%	/
Ultrafine Silicon Nitride Powder	≥99.65%	α-phase	D50 < 2.8 um	> 38.5%	< 1.5%	< 0.3%	< 0.35%	< 0.6%

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Ultrafine silicon nitride powder refers to a very fine silicon nitride powder with an average particle size of 1-10 um. Compared with nano silicon nitride powder, ultra-fine silicon nitride powder has better economy. For coarse and fine silicon nitride powder, ultra-fine silicon nitride powder has better product performance at the end of the product.

Ultrafine Silicon Nitride Powder Application

Ultrafine silicon nitride powder can be used in the following occasions or fields:
1. Used as silicon nitride coating for demoulding polysilicon ingots;
2. Used as raw material of fluorescent powder;
3. For making silicon nitride functional ceramics;
4. Used to make coatings and parts of key parts of the machine;
5. Used for making heat conducting materials and heating elements;
6. Used as sputtering target, medical, semiconductor film and electronic materials.