Product Details

high heat transfer ceramic lamp base projector lamp E20.8 ceramic lamp cap

1. Raw material: Steatite ceramic

95% alumina ceramic is optional.

Performance
Item	Index	Unit	Steatite ceramic	95 Al₂O₃	96 Al₂O₃
Physical Characteristics	Bulk density	g/cm³	2.7	3.6	3.6
Physical Characteristics	Water absorption	%	0	0	0
Mechanical Characteristics	Flexural strength	Mpa	145	320	340
	Hardness Vickers	Gpa	5.7	12.2	13.5
	Elastic modulus	Gpa	120	280	320
	Poisson’s ratio	-	0.21	0.22	0.23
Thermal Characteristics	Linear expansion coefficient	20-500⁰C 10^-6/⁰C	7.9	7.1	7.2
	Thermal conductivity	w/(m.k)	2.5	16	24
	Specific Heat	10^-3J/(kgK)	0.75	0.78	0.78
Electrical Characteristics	Dielectric constant(1MHZ)	-	6.2	9	9.4
	Dielectric loss angle	*10^-4	18	15	5
	Dielectric strength	*10⁶V/m	18	12	15

2. Advantages:
1). Excellent insulation, security, long working life.
2). Precise grinding and polishing, the effect is better than others.
3). More environmental and energy-efficient.

4). High temperature resistance

5). Great aging resistant performance

3. Application

1) automobile lamp

2) Projector lamp

4. About us:
Jiangsu Sailamike Precision Ceramic is a worldwide leader in the development and production of advanced insulating ceramics. We provide a wide selection of advanced ceramics including Alumina ceramic, Zirconia ceramic, cordierite, steatite ceramic and mullite, which improves and extends the performance of your product, process, or system. Whether you need high temperature stability, high hardness and wear resistance surfaces, improved stiffness to weight radiations, anti-corrosive barriers or low thermal expansion rates - we can deliver. We can offer significant performance and cost advantages to meet your needs.

Welcome you contact us for more information.

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