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Product Introduction :
Ceramic rollers ,taking Al2O3 and other minerals as raw materials, after series processing of picking and crushing and high-temperature kiln calcination,finally are made into ceramic rollers.
We take unique forming technology,with strict standards of JC413-91 and ISO9001:2000,most technical data have the same or better than the international standards.As customers; trust,our products have been selling into Germany,UK,Italy,USA,UAE,India,Argentina,Poland,Malaysia and other countries and areas with good reputation.
Product Features:
Ceramic rollers as a refractory kiln furniture, is a key components of modern high-temperature kiln , which play a role of support and shipping works, and made a significant contribution on energy-saving .
Product Application:
Ceramic rollers are widely used in building and sanitary ceramics,Daily-used ceramics, electronic ceramics,Alkaline materials, heat treatment of glass, wearable devices and other areas.
Product Technical Specifications:
Features | Types | Items | ||
SU90 | SU96 | SU98 | ||
Physical characteristics | Density(g/cm3) | ≥2.4 | ≥2.6 | ≥2.8 |
Porosity(%) | 20-25 | 15-20 | 10-15 | |
Moisture(%) | 8-12 | 7-10 | 4-7 | |
Bending strength(25°C/1350°C,MPa) | >50/30 | >60/40 | >70/50 | |
Thermal expansion(×10-6°C)(25-1000°C) | 5.8-6.2 | 5.8-6.2 | 5.8-6.2 | |
Thermal and cold tolerance(1300-25°C) | Very good | Very good | Very good | |
Working temp(°C) | ≤1150 | ≤1200 | ≤1250 | |
Chemical Content | AL2O3 | 72%-74% | 74%-76% | 78%-80% |
SiO2 | 20%-26% | 19%-21% | 14%-16% | |
Fe2O3 | ≤0.3% | ≤0.3% | ≤0.2% | |
Outside | Diameter tolerance(mm) | ΦD+0.3 | ||
Length tolerance(mm) | ± 3.0 | |||
Straightness(mm) | ≤0.07% L | |||
Roundness(mm) | ≤0.5 | |||
Size | Φ21-60mm,Length≤4800mm | |||
Ceramic rollers for kilns