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fused silica roller

fused silica roller

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Properties:

Quartz roller good surface smoothness, not easy to scratch glass

High Compressive Strength, Flexural Strength & Impact Strength at high temperature.

Good wear resistance

Low thermal expansion coefficient

Strong thermal shock stability

No deformation under high temperature

Long service life, The reliable axle neck joint technology(anti-loose technology)

High economic efficiency


Application:

Fused silica ceramic roller is ideal substitute for graphite rolls and ceramic coating rolls, prevent oxidation and dross build-up, carrying and transmitting glass in glass horizontal tempering furnace and annealing kilns.


Index

Unit

Data

SiO2 content

%

≥99.7

Bulk Density

g/cm3

>1.95

Apparent Porosity

%

7-11

Compressive Strength

Mpa

≥60

Surface Roughness Ra

um

≤1.6

Diameter Tolerance

mm

±0.05

Circular Runout

mm

≤0.08

High-temperature Bending Strength

Mpa

≥30

Coefficient of Thermal Expansion

×10-6/°C

<0.6

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