'94 Fine Ceramics		Alumina			Zirconia	Silicon Nitride	Silicon Carbide	Aluminium Nitride	Steatite	Forsterite
		92%	96%	99%
Physical Char.	Content	92Al2O3	96Al2O3	99Al2O3	ZrO2	Si3N4	SiC	AlN	MgOSiO2	2MgOSiO2	2MgOSiO2
	Color	White	White	Light Yellow	Light Yellow	Gray	Black	Ivory	White	Light Yellow	Light Yellow
	Bulk Density	3.6	3.8	3.9	6.1	3.2	3.1	3.3	2.7	2.8	3.0
Mech. Char.	Flexural Strength Kgf/cm2	3000	3500	4000	10000	9000	8000	3600	1400	1500	1500
	Vickers Hardness (Hv) Kgf/mm2	1400	1600	1900	1250	1500	2400	1000	700	800	900
	Tenacity (K1C) MN/m3/2	4	4	4	7	6	5	4	-	-	-
	Young's Modulus x10 4Kgf/mm2	2.7	3.4	3.9	2.0	2.8	4.0	2.8	-	1.5	1.5
Thermal Char.	Coefficient of Thermal Expansion x 10-6 /Cels. (R.T~800°C)	7.4	7.7	7.8	11.1	3.2	4.3	5.1	8.0	9.6	10.8
	Thermal Conductivity cal/cm·sec·°C (R.T.~800°C)	0.04	0.04	0.04	0.007	0.04	0.14	0.41	0.005	0.008	0.008
	Thermal Shock (Delta T) °C	200	250	300	250	600	500	300	-	-	-
	Max. Use Temp. °C	1400	1500	1600	800	1500	1800	1700	1000	1000	1000
Electric Char.	Volume Resistivity (R.T.) Ohm·cm	14 >10	14 >10	14 >10	-	-	-	14 >10	14 >10	14 >10	14 >10
	Dielectric Constant (1MHz)	9.5	9.5	9.5	-	-	-	8.5	6	6.5	6.5
	Dielectric Strength KV/mm	16	18	20	-	-	-	24	9	10	10
Characteristics		Deforcement resistant Insulation	Mechanicaly strong Insulation	Chemically strong High temperature	High tenacity Mechanically strong	Thermal shock resitant High temperature	Deforcement resistant High temperature	High heat disspation Insulation	Insulation Economy	Thermal expansion	Thermal expansion
Applications		Mechanical parts Insulator	Substrate Mechanical parts	Kiln accesory Chemical parts	Measuremant Mechanical parts	Mechanical parts	Mechanical parts	Substrate Heat sink	Electorical parts Mechanical parts	Electorical parts	Electorical parts