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Jiangxi Sanxin Hi-Tech Ceramics Co., Ltd.
Silicon Nitride Grinding Balls
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Silicon Nitride Grinding Balls

-High Si3N4 content 90-92%.

-High hardness can be reached 1400HV10.

-Density can be 3.2g/cm3.

Standard Size: φ5, φ10, φ15, φ20, φ25mm. The other size can be made according the customer's demand.

Properties of Silicon Nitride Grinding Balls

Item

Unit

Data

Si3N4 Content

%

90

Density

g/cm3

3.20

Flexural Strength

MPa Room Temprture

700

MPa 1000℃

460

Hardness

HV10

1390

Impacting Strength

MPam

5.5

Modulus of Elasticity

GPa

280

Thermal Conductivity

X10(-6)/k 400℃

2.1

X10(-6)/k 1000℃

3.8

Coefficient of Thermal Expansion

W/(m . k)

17

Heat Shock Resistance

△T℃

600

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