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		Data Overview

		Acid Behaviour

		Reflection Characteristics

		Designing Guideline

Technical Parameters for A-997, A-99S and Slim

DOCERAM Type	Unit	A-997	A-99S	Slim
Material		Al₂O₃ > 99.7%	Al₂O₃ > 99%	Al₂O₃ > 95-97%
Colour		ivory, light pink	ivory, pink	white, ivory, pink, red, salmon
Density	g/cm³	3.9	3.85	3.7
Flexural Strength	MPa	390	340	300
Compressive Strength	MPa	3,900	3,600	3,400
Modulus of Elasticity (young)	GPa	390	380	350
Impact Resistance	MPa m^1/2	5.2	5.0	4.0
Weibull Modulus	m	12	10	10
Vickers Hardness	HV 0.5	2,000	1,900	1,800
Thermal Expansion Coefficient	10^-6 K^-1	5.5 - 8.4	5.4 - 8.3	5.0 - 8.3
Thermal Conductivity	W/mK	28	27	24
Thermal Shock Resistance	∆T °C	280	270	250
Maximum Use Temperature	°C	1,700	1,650	1,600
Volume Resistivity at 20 °C	Ωcm	>10¹⁵	>10¹⁴	>10¹⁴
Dielectric Strength	kV/mm	30	25	20
Open Porosity	%	0	0	0
Dielectric Constant	ε_r	10	10	10
Dielectric Loss Angle	tanδ	0.0005	0.001	0.001

These properties were measured on test samples. The values are typical material properties and may vary according to product configuration, geometry and manufacturing process.

Technical Parameters for Cerazur, Z-1000 and ZTA

DOCERAM Type	Unit	Cerazur	Z-1000	ZTA
Material		ZrO₂ Y-PSZ	ZrO₂ Y-PSZ	Al₂O₃ + ZrO₂
Colour		blue	white	white
Density	g/cm³	6	6	4.1
Flexural Strength	MPa	1,300	1,000	600
Compressive Strength	MPa	3,000	3,000	3,600
Modulus of Elasticity (young)	GPa	205	205	350
Impact Resistance	MPa m^1/2	12	8	7.5
Weibull Modulus	m	25	22	18
Vickers Hardness	HV 0.5	1,150	1,300	1,600
Thermal Expansion Coefficient	10^-6 K^-1	10	10	6.0 - 8.6
Thermal Conductivity	W/mK	< 2	< 2	18
Thermal Shock Resistance	∆T °C	280	270	320
Maximum Use Temperature	°C	1,000	1,000	1,000
Volume Resistivity at 20 °C	Ωcm	>10¹⁰	>10¹⁰	>10¹³
Dielectric Strength	kV/mm	^-	^-	^-
Open Porosity	%	-	-	-
Dielectric Constant	ε_r	-	-	-
Dielectric Loss Angle	tanδ	-	-	-

These properties were measured on test samples. The values are typical material properties and may vary according to product configuration, geometry and manufacturing process.

Technical Parameter for Spark, Tianit and Volcera

DOCERAM Type	Unit	Spark	Tianit	Volcera
Material		TiO₂95%	TiO₂95%	Si₃N₄
Colour		black	yellow	grey, black
Density	g/cm³	4.0	4.0	3.2
Flexural Strength	MPa	70	70	750
Compressive Strength	MPa	600	600	2500
Modulus of Elasticity (young)	GPa	-	-	295
Impact Resistance	MPa m^1/2	-	-	6.7
Weibull Modulus	m	-	-	15
Vickers Hardness	HV 0.5	900	900	1650
Thermal Expansion Coefficient	10^-6 K^-1	8.5	8.5	3.4
Thermal Conductivity	W/mK	25	25	22
Thermal Shock Resistance	∆T °C	-	-	750
Maximum Use Temperature	°C	-	-	1300
Volume Resistivity at 20 °C	Ωcm	>10²	>10¹⁰	>10⁺¹¹
Dielectric Strength	kV/mm	-	-	20
Open Porosity	%	0	0	-
Dielectric Constant	ε_r	-	-	-
Dielectric Loss Angle	tanδ	-	-	-

These properties were measured on test samples. The values are typical material properties and may vary according to product configuration, geometry and manufacturing process.

Technical Parameters for G-600, Electrowhite and Cordierite

DOCERAM Type	Unit	G-600	Electrowhite	Cordierite
Material		Machinable Glass Ceramics	Steatite (C-221)	C-520
Colour		White	white	-
Density	g/cm³	2.7	2.7	2
Flexural Strength	MPa	130	150	65
Compressive Strength	MPa	350	900	350
Modulus of Elasticity (young)	GPa	73	120	40
Impact Resistance	MPa m^1/2	-	-	-
Weibull Modulus	m	-	-	-
Vickers Hardness	HV 0.5	220	-	-
Thermal Expansion Coefficient	10^-6 K^-1	11.5	6.0 - 9.0	2.5 - 3
Thermal Conductivity	W/mK	1.5	2.0 - 2.5	1.3 - 1.5
Thermal Shock Resistance	∆T °C	100	100	360
Maximum Use Temperature	°C	600	1,200	1,350
Volume Resistivity at 20 °C	Ωcm	>10¹⁶	>10¹³	10¹³
Volume Resistivity at 200 °C	Ωcm	^-	^-	10⁹
Volume Resistivity at 600 °C	Ωcm	^-	^-	10⁵
Dielectric Strength	kV/mm	40	20	-
Open Porosity	%	0	-	>5
Dielectric Constant	ε_r	-	-	-
Dielectric Loss Angle	tanδ	-	-	-

These properties were measured on test samples. The values are typical material properties and may vary according to product configuration, geometry and manufacturing process.

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