Specifications

fused silica roller
1.Very low thermal expansion coefficient,
2.strong thermal shock stabilit

 fused silica roller  for glass tempering furnace

 

 

 

our company can product high quality fused quartz roller

1.  Very low thermal expansion coefficient, strong thermal shock stability, no deformation under    high temperature

 

2.   Raw material with high purity, excellent chemical and physical properties

 

3.   Precision processing technology, accurate size accuracy

 

4.   Reliable shaft head connection technology

 

indices	data
SiO2 (wt %)	≥99.7
Volume density(g/cm3)	>1.95
Show porosity (%)	7-11
Compressive strength(Mpa)	≥60
High-temperature anti-flexural strength (Mpa)	≥30
Thermal expansion coefficient (×10-6/°C)	<0.6
Surface roughness Ra(u m)	≤1.6
Diameter tolerance (mm)	±0.05
Radial beat (mm)	≤0.10