Ceramic Ignitor

Ceramic Ignitor

Properties of Ceramic Ignitor

Properties of Ceramic Ignitor

Physical & Electrical Characteristics

Unit

STEATITE

L-3 (white)

STEATITE

L-5 (cream)

absorbility

%

0 to 0.05

Nil

density

g/cm3

2.48

2.68

hardness

Mohs'

7.5

7.5

liner thermal expansion

/oC

(40o to 250o)

8.6 x 10-6

9.5 x 10-6

work temperature

oC

980

930

flexual strength

MPa

58

62

compressure strength

MPa

550

550

fracture strength (5” distance)

MPa

125

145

thermal conductivity

g.cal x cm.thk

cm2 x sec x oC

0.006

0.006

dielectric strength (6.35mm thick)

Volts/mil

220

275

dielectric constant 1.0 MHz (wet)

-- --

5.8

6.1

power factor

1.0 MHz(wet)

-- --

0.004

0.0009

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