Product Details

Relay Ceramic Shell

Features of Relay Ceramic Shell :

1. Good gas tightness

2. Wear-resistant and chemical-resistant

3. Hermetic metalization with ceramic

4. High breaking strength

5. High electric insulation and heat resistance performance

Materials Performance

	Item		Unit	Performance
				Alumina ceramic				steatite ceramic
				90%	92%	95%	96%	steatite ceramic
Ceramic Body	Appearance	Color	-	white,ivory white,brown,black				White off-white
	Mechanical Characters	Bulk Density	g/cm3	≥3.6	≥3.65	≥3.7	≥3..75	2.7
		Water Absorption	%	0				0
		Flexural strength	MPa	280	300	310	320	150
		(HV) Hardness	GPa	12				5.8
	Thermal Characters	Coefficient of linear thermal expansion	20℃~800℃ ×10-6mm/℃	6.3~7.3	6.4~7.4	6.5~7.5	6.8~7.8	8.0
	Thermal Characters	Thermal Conductivity	W/(m.K)	12	16	20	23	2
	Electrical Characters	Dielectric constant(1MHz)	—	9~10	9~10	9~10	10	7.5
		Dielectric loss angle	×10-4	≤6	≤5	≤4	≤3	8
		Dielectric Strength	KV/mm	15	20	24	28	18
Metalized Ceramics		Gas leakage coefficient	Pa.m3/s	≤10-8				-
		Volume resistivity	Ω.cm	≥1015				-
		Combined strength	MPa	≥120				-
		Thickness of Metal	μm	≥20				-

Company Description

Changsha Ultronic Ceramic Technology Co., Ltd. is located in Changsha City, the capital of Hunan Province. Since its establishment in September 2010, Ultronic has been devoted to manufacturing alumina ceramics and steatite ceramics for electric components and industrial ceramics. Now, we have the forming technologies of hot pressing, dry pressing, injection molding, tape casting, and isostatic pressing. We also have the special process of surface metallization, glazing, and polishing. Our main products include ceramic thermostat housing, ceramic rod, metalized ceramic GDT tube, faucet cartridge ceramic disc, ceramic insulating plate and so on. And we supply to leading companies in respective business, such as and so on.

We have below product categories

Ceramic Substrate

Zirconia Ceramic

Steatite Ceramic Parts

Ceramic Pin/Rod

Ceramic Tube/Ring

Ceramic Lamp Holder

Thermostat Ceramic Parts

Ceramic Faucet Cartridge Discs

Metalized Ceramic Parts

Other products of our company are as follows.

If you have other drawings of products,please contact us.We are always at your service.