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Jiangxi Sanxin Hi-Tech Ceramics Co., Ltd.
Silicon Nitride Ceramic Heating Tablets
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Silicon Nitride Ceramic Heating Tablets

Silicon nitride ceramic heating tablets is a safe electric heating plate tablet which can emit fireless heat, having circular or square shape. Because it depends on heat conduction, the thermal efficiency is high. Types of heating tablets: detachable thin shell type, tube element casting type.

Properties Compare with Si3N4 Ceramics and SiC Ceramics

Item

Unit

Si3N4

SiC

Density

g/cm3

3.23

3.1

Porosity

%

0

0

Color

/

Black

Black

Flexural Strength

MPa

720

550

Elastic Modulus

Gpa

300

410

Poisson's Ratio

/

0.26

0.14

Compressive Strength

MPa

2300

3900

Fracture Toughness KIC

Mpa.m1/2

6.2

4.6

Max. Using Temperature (unload)

1050

1650

Coefficient of Thermal Expansion

10-6/℃

3.2

4.0

Thermal Conductivity

W/m.K

25

120

Volume Resistivity

Ω.mm2/m

>1013

102-106

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