Ceramic and nozzle making Boron Carbide  

 

Boron Carbide is smelted in electric furnace from

boric acid and carbon by high temperature .

Its density is 2.52g/m³,melting point is 2450 degree,

its hardness is 4950kgf/mm2,only next to diamond and cubic boron nitride .

Character :

High hardness

Light relative density

High temperature and pressure resistance

Good wear resistance performance

Strong resistance to acid and alkali corrosion

Boron carbide powder's application fields:

1) High-grade particle grinding material;

2) Make chemical ceramic,glass ,or nozzle;

3) Nuclear reactor and shielding material;

4) Produce bullet proof armor;

5) Improve the service lift of mechanical parts;

6) As additive filler for boron chemical materials;

7) Essential filler for refractory materials.

Specification :

CAS No. 12069-32-8

Appearance : Black powder   

Molecular Formular : B4C

Molar Mass : 55.255 g/mol     

Density : 2.52g/cm3(solid)

Melting Point :  2350°C (2623.15 K)    

Water Solubility : Do not dissolve in water 

Grit Size	Size(μm)	Chemical   Composition
		B%	C%	Fe2O3%	BC%
60#	315-215	78-81	17-22	0.2-0.4	97-99
80#	200-160
100#	160-125
120#	125-100	78-80	17-22	0.2-0.4	96-98
150#	100-80
180#	80-63
240#	60-50	77-80	17-22	0.3-0.5	96-97
280#	50-40
320#	40-28
W40(360#)	35-28	76-79	17-21	0.3-0.6	95-97
W28(400#)	28-20
W20(500#)	20-14	75-79	17-21	0.4-0.8	94-96
W14(600#)	14-10
W10(800#)	10-7	74-78	17-21	0.4-0.9	92-94
W7(1000#)	7-5
W5(1200#)	5-3.5	74-78	17-21	0.5-0.9	90-93
W3.5(1500#)	3.5-2.5
-325#	<45	74-79	17-22	<0.4	92-97
0-44μm	<45
-200#	<90	74-80	17-22	<0.3	94-97
-100#	<150
-25μm	<25	74-79	17-21	<0.3	92-96
-10μm	<10	74-78	17-21	<0.3	91-95
60#-150#	250-75	77-81	17-22	<0.3	95-98
40#-120#	315-106
30#-60#	355-250
Boron carbide block	Low-mid-high carbon	92-80	17-23	<0.3	90-99