Ceramics & Insulating materials supplier

C220 steatite ceramic resistor case

C220 steatite ceramic resistor case

C220 steatite ceramic resistor case

Ceramic resistor

  • Advantages :

1). Excellent insulation ,security , long working life .

2). Precise grinding and polishing.

3). Excellent heat radiation, small size ,more environmental and energy-efficient .

4). good thermal conductivity
5). large specific heat capacity
6). low pressure drop
7).  good heat-shock resisting ability

8). Working temperature: 600℃-1200℃

 

  • Application :

1). Gas cooker,Water heater,Gas oven, Gas boiler,Air-conditioning and so on.

2). As ceramic parts of flexible pad and channel heaters at operations of pre and postweld heat treatment; Welding process, stress-rlieving, pre-heating & post heating, other resistance-heating environment
3). halogen lamps, high and low pressure uv lamps, mercury lamps, uv lamp holders and heating tubes.

4). high-power electrical applicance and all kinds of insulation device.

 

Properties

Units

Steatite

Cordierite

Mullite

Colour

White

Yellow

White

Density

g/cm3

2.7

1.9

2.0

Flexural Strength

Mpa

140

30

120

Compressive Strength

MPa

900

350

500

Max Use Temperature

°C

1000

1200

1300

Thermal Condutivity

W/m.K

2~3

1.3~1.8

2~6

Thermal Expansion Cofficient

10-6/°C

7 ~ 9

1.5~3.5

5~6

Thermal Shock Resistance

K

100

300

150

Specific Heat

J/kg.K

850

800

900

Dielectric Strength

KV/mm

20

30

Dielectric Constant

Er

6

8

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