N/A	GRADES
PROPERTY	UNIT	HBN	HBR	HBC	HBT
B+N	%	>95	>94	>99	>99
Binder	N/A	Boric Oxide	Calcium Borate	N/A	N/A
Binder Melting Pt	C	550	1150	N/A	N/A
Oxidining Atmosphere	C	550- 850	850	850	850
Inert/ Vacuum Atmosphere	C	550- 1600	1150- 1600	2000- 3000	2000- 3000
Density	g/cc	N/A	N/A	N/A	N/A
Minimum	N/A	2	1.9	1.9	1.7
Typical	N/A	2.1	2	1.95	1.75
Porosity	%	7	11	13	22
Hardness	KHN	19	26	16	11
Thermal Shock Resistance	C	>1500	>1500	>1500	1500
Specific Heat	J/Kg K	808	808	808	808
Thermal Conductivity	W/m-K	1846	1846	1846	1846
25	C	59	55	28	22
500	C	33	33	0.4	0.3
Coefficient of Thermal Expan	N/A	N/A	N/A	N/A	N/A
in/in/C X 10^-6	N/A	N/A	N/A	N/A	N/A
25 C to 1500 C	N/A	4	4	0.4	0.3
Flexural Strength Mpa	Mpa	89.6	51.7	20.6	19.3
1500 C	N/A	26.8	21.3	48.2	24.1
Modulus of Elasticity	Gpa	77.9	62	48.2	41.3
Compressive Strength	Mpa	110.3	68.9	41.3	33.1