Dome

Product Description

Dome is known for their high hardness, wear resistance, corrosion resistance, insulation, and high thermal conductivity, are widely used in the electronics. Their good performance in high-temperature and corrosive environments makes them ideal for process chambers utilizing special gases, significantly extending maintenance cycles and equipment lifespan.
Product Properties

Wear Resistance

Heat Resistance

Corrosion Resistance

High Thermal Insulation

Insulation

Environmental Friendly

Customize the product according to your usage

We would like to improve your product design, improve performance and reduce costs to suit your needs

Enhancement of after-sales services for product applications

		Alumina							Quartz
Item (JFM)	Unit	JC-AZ025A	JC-A995A	JC-A990A	JC-A995A	JC-A997A	JC-A997B	JC-A999A	JQ-Q100
Physical Property
Content	%	-	95.0%	99.0%	99.5%	99.7%	99.7%	99.9%	-
Colour		Milky White	White	White	Milky White	Milky White	Milky White	White	Transparent
Density	g/cm3	4.4	3.7	3.8	3.9	3.92	3.94	3.95	2.2
Mechanical Behavior
Vickers Hardness	GPa	15	13.7	15.2	16.0	17.2	17.2	17.5	10
Bending Strength	Mpa	650	350	310	360	380	380	400	80
Compressive Strength	Mpa	-	-	2160	2350	2380	2400	2560	-
Young's Modulus	GPa	320	320	360	370	380	380	380	90
Poisson's Ratio	/	0.25	0.23	0.23	0.23	0.23	0.23	0.23	0.17
Fracture Toughness	Mpa.m1/2	5	3-4	3-4	4	4.8	5	5.4	-
Thermal Property
Coefficient of Thermal Expansion	10-6/°C	9	7.2	7.2	7.2	7.2	7.2	7.2	0.5
Thermal Conductivity	W/(m.K)	19	24	29	32	32	32	34	1
Specific Heat Capacity	J/(g.K)	-	0.78	0.79	0.78	0.79	0.79	0.78	1
Maximum Operating Temperature	°C	1600	1500	1600	1600	1600	1600	1600	1150
Electrical Property
Dielectric Strength	kv/mm	-	15	15	15	15	15	15	11
Dielectric Constant （1MHz）	-	-	9.4	9.9	9.9	9.9	9.9	9.9	4
Dielectric Losses （1MHz）	（X10-4）	-	4	2	1	1	1	1	1
Volume Resistivity 20℃	Ω.cm	>10¹²	>10¹⁴	>10¹⁴	>10¹⁴	>10¹⁴	>10¹⁴	>10¹⁴	>10¹⁴
Volume Resistivity 300℃	Ω.cm	-	10¹⁰	10¹⁰	10¹³	10¹³	10¹³	10¹³	-

* This data is an example of test results in lab. It may be different from the actual characteristics in a particular manufacturing process.

* This data is an example of test results in lab. It may be different from the actual characteristics in a particular manufacturing process.

Please let us know your product specs and quantity for a quick quote. Submit the form below to get started.

I agree to join the mailing list and receive updates and notifications.

*Please enter your company email address. Responses may be delayed for personal addresses.

※Please ensure you understand our privacy policy before submission.

※Required fields.