Alumina Ceramics
OR-FSR — Fused Silica Ceramic Roller
Ultra-precise fused silica rollers (SiO₂ ≥99.7%) for flat glass tempering, solar and silicon steel lines. Near-zero thermal expansion <0.6×10⁻⁶/°C, diameter tolerance ±0.05 mm, OD 15–130 mm.
Available sizes
OD 15–40 mmOD 40–80 mmOD 80–130 mmL 1300–2500 mmL 2500–4000 mm
Variants
SiO₂ ≥99.7%Silicone adhesive ends (≤150°C)Mechanical coupling (≤500°C)
Performance Index
| Property | Value |
|---|---|
| SiO₂ content (%) | ≥99.7 |
| Density (g/cm³) | >1.95 |
| Compressive strength (MPa) | ≥60 |
| Bending strength (MPa) | ≥30 |
| Thermal expansion (/°C) | <0.6×10⁻⁶ (near zero) |
| Surface roughness Ra (µm) | ≤1.6 |
| Diameter tolerance (mm) | ±0.05 |
| Circular runout (mm) | ≤0.08 |
| OD range (mm) | 15–130 |
| Length range (mm) | 1300–4000 |
OR-FSR fused silica ceramic rollers provide dimensional stability and chemical inertness required by the most demanding precision heating and transport processes.
DIMENSIONAL ACCURACY
• Diameter tolerance: ±0.05 mm
• Circular runout: ≤0.08 mm
• Straightness: superior to alumina rollers
DIMENSIONS
• OD: 15–130 mm
• Length: 1300–4000 mm
CONNECTIONS
• Silicone adhesive: for temperatures ≤150°C
• Mechanical coupling: for temperatures ≤500°C
APPLICATIONS
• Flat glass tempering furnaces
• PDP (plasma display panel) production
• Solar cell substrate processing
• Silicon steel (electrical steel) annealing lines
Gallery
