Fused Silica Roller

fused silica product is made by high purity fused silica raw materials, they are ceramic silica product include roller, tube, crucible，Plate and Shaped product etc.

Product introduction

Feature

Low thermal expansion coefficient.

Good thermal shock stability.

Good electrical insulation

Anti-corrosive

No deformation under high temperature.

High size precision

Application:

Mainly used in Glass tempering furnace, Aerospace,Solar, atomic energy, electronic, steel, metallurgy, polycrystalline silicon and so on.

Technical Data:

项目item

单位unit

指标Index

二氧化硅含量 SiO2

≥99.72

密度

Density

g/cm3

1.9-2.0

抗弯强度

Flexural strength

MPa

≥40

抗压强度

Compressive strength

MPa

≥60

空隙率

Porosity

7-10

热膨胀系数

Thermal expansion

10-6/k

0.5-0.7

吸水率

Water absorption

4.5-5.5

表面粗糙度Surface roughness

Ra/u m

≤1.6

直径误差

Outside diameter tolerance

+/-0.05

径向跳动

Radial pulate

≤0.1

Normally size of our Fused Silica Roller

外径outside diameter	最大长大maximum length	外径outside diameter	最大长大maximum length
15-25	1300	76-85	3500
26-30	1400	86-90	3600
31-35	1700	91-100	4000
41-45	2200	101-105	4100
46-50	3000	106-110	4200
51-55	3200	111-120	4200
56-65	3200	121-130	4500
66-75	3400	130-200	4700