Fused Quartz Ceramic Hollow Hearth Roll

Anti-Thermal Shock Fused Silica Ceramic Hollow Hearth Rollers

• Overview: The ultimate solution for high-grade silicon steel and electrical steel annealing. Made from 99.9% pure fused silica, these ceramic hollow rolls feature near-zero thermal expansion, preventing pick-up defects and strip scratches completely.

• Key Features:

  • 99.9% High-purity Fused Silica ceramic body.

  • Patented flexible metal-to-ceramic end joint withstands rapid temperature changes without loosening.

  • Chemically inert surface guarantees zero iron nodulation and pristine strip surface quality.

• Technical Specifications:

  • Max Temp: 1100℃

  • Concentricity: ≤0.1mm

• Applications: Silicon steel (CRGO/CRNGO) decarb and annealing furnaces, bright annealing lines.