the ceramic rolls, made in Fused Silica, since several years are used for horizontal tempering furnaces, either resistance at high temperatures, they are actually considered the most delicate and non-replaceable part of the furnace. 

the very pure crystalline sands treated with extraordinary ability and the constructive capacities used during the production, make Tecnofimes a reference point in tempering glass field. 

Hua Yuan, due to long experience, has jointed together with the material quality, the technological assistance by furnace manufacturer and final users. 

Advantages of Fused Silica Rolls 
- High stability in air or SO2 contact. 
- Hard surface resists scratches. 
- Low thermal conductivity. 
- Very low thermal expansion. 
- High infrared reflectivity. 
- High temperature strength resistence. 
- Extremely good thermal shock resistance. 
- Antistress end caps. 
- End caps zinc plated, chromate converted and lacquered. 
- Regenerating rolls if solied with dyes damaged from glass.