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Fused Silica Rollers


Fused silica rollers for glass tempering furnace


The fused silica rollers is a key part in the glass tempered furnace, which is used to support and transmit glass. HIGHLION fused silica rollers adopts high purity fused silica as raw material, with the characteristics of high volume density,high strength,smaller thermal expansion,good thermal shock stablility,high dimensional accuracy,no deformation at higher temperature,longer service life and have no pollution to the glass. We have variety of rollers and sizes can be produced according to customers requirements. 




Fused silica rollers characteristics:

@Very smooth surface,

@Smaller radial runout

@Very smaller thermal expansion coefficient

@Higher strength

@Longer lifetime


Fused Silica Rollers Common Sizes 

Outer Diameter(mm)

Length(mm)

Outer Diameter(mm)

Length(mm)

15 - 25

1300

66 - 75

3400

26 - 30

1400

76 - 85

3400

31 - 35

1700

86 - 90

3400

36 - 40

1700

91 - 100

3500

41 - 45

2200

101 - 105

3700

46 - 55

3000

111 - 120

3900

61 - 65

3200

121 - 130

4000


Fused Silica Rollers Detailed specifications:

Index

Unit

Fused silica roller

SiO2 

(wt%)

≥99.8

Bulk Density

g/cm3

1.95

 Apparent Porosity

%

7-11

Compressive Strength

Mpa

≥60

High-temperature Bending Strength

Mpa

≥30

Coefficient of Thermal Expansion

×10-6/℃

0.6

Surface Roughness Ra

u m

≤1.6

Diameter Tolerance

mm

±0.05

Circular Runout

mm

≤0.08