30p Good Wear Resistance Ceramic Disk

Excellent insulation, security, long working life
High temperature resistance
Resistance to electric breakdown
Stand wear and tear

Product Details

Advantages:

1) Excellent insulation, security, long working life

2) High temperature resistance

3) Resistance to electric breakdown

4) Stand wear and tear

5) High strength

6) Corrosion resistance

7) Good compactnes

8) HIgh hardness

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

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