| Size | Diameter Tolerance(mm) | ΦD+0.3 |
| Length Tolerance(mm） | ± 3.0 | |
| Straightness(mm) | ≤0.07%.L | |
| Roundness(mm) | ≤0.5 | |
| Specifications | DiameterΦ21-60mm，Length≤4800mm | |
| TECHNIQUE INDEX FOR CERAMIC ROLLER PRODUCTION | ||||||||
| Characteristics | Item Types | HY78 | HY88 | HY98 | HY99 | HY100 | HY98T | |
| Physical Properties | Bulk Density (g/cm3) | 2.50-2.60 | 2.55-2.65 | 2.65-2.70 | 2.75-2.9 | 2.75-2.9 | 2.65-2.70 | |
| Normal Temp.Bending Strength(Mpa) | 55-60 | 60-65 | 65-70 | 65-80 | 70-85 | 65-70 | ||
| Water Absorption(%) | 7.5-9.5 | 7.9-9.0 | 6.5-8.5 | 6-7 | 6-7 | 6.5-8.5 | ||
| Thermal Shock Resistance | Excellent | Excellent | Excellent | Very Good | Very Good | Excellent | ||
| Thermal Expansion Conductivity (× 10-6 XK- 1 0- 1000℃) | 5.6 | 5.7 | 5.7 | 5.9 | 5.9 | 5.7 | ||
| Max. Working temperature(℃) | 1200 | 1250 | 1300 | 1350 | 1400 | 1350 | ||
 Intenerate Temp.Under Loading (℃)(0.2Mpa) | 1560 | 1580 | 1590 | 1610 | 1620 | 1590 | ||
| Refractoriness℃ | 1700 | 1750 | 1850 | 1850 | 1850 | 1850 | ||
| Composition | AL2O3+ZrO2(%) | 76-78 | 78-80 | 80-82 | 80-82 | 80-82 | 80-82 | |
| The roller can be replaced directly at firing zone, dont need to lower the kiln temperature. | ||||||||
| 1.The above data are verfied from testing samples in the lab.,for reference only in practical use. | ||||||||
| 2.The max. working temp. of the roller is depend on specification and size,distance of bearing point,cental distance, load and loading breadth in the kiln. | ||||||||
| 3.The max.working temp. is commendatory in the lab..The practical working temp. is lower 40-60℃ that the max.working temp.. | ||||||||
| Size | Diameter Tolerance(mm) | ΦD+0.3 |
| Length Tolerance(mm） | ± 3.0 | |
| Straightness(mm) | ≤0.07%.L | |
| Roundness(mm) | ≤0.5 | |
| Specifications | DiameterΦ21-60mm，Length≤4800mm | |
| TECHNIQUE INDEX FOR CERAMIC ROLLER PRODUCTION | ||||||||
| Characteristics | Item Types | HY78 | HY88 | HY98 | HY99 | HY100 | HY98T | |
| Physical Properties | Bulk Density (g/cm3) | 2.50-2.60 | 2.55-2.65 | 2.65-2.70 | 2.75-2.9 | 2.75-2.9 | 2.65-2.70 | |
| Normal Temp.Bending Strength(Mpa) | 55-60 | 60-65 | 65-70 | 65-80 | 70-85 | 65-70 | ||
| Water Absorption(%) | 7.5-9.5 | 7.9-9.0 | 6.5-8.5 | 6-7 | 6-7 | 6.5-8.5 | ||
| Thermal Shock Resistance | Excellent | Excellent | Excellent | Very Good | Very Good | Excellent | ||
| Thermal Expansion Conductivity (× 10-6 XK- 1 0- 1000℃) | 5.6 | 5.7 | 5.7 | 5.9 | 5.9 | 5.7 | ||
| Max. Working temperature(℃) | 1200 | 1250 | 1300 | 1350 | 1400 | 1350 | ||
| Intenerate Temp.Under Loading (℃)(0.2Mpa) | 1560 | 1580 | 1590 | 1610 | 1620 | 1590 | ||
| Refractoriness℃ | 1700 | 1750 | 1850 | 1850 | 1850 | 1850 | ||
| Composition | AL2O3+ZrO2(%) | 76-78 | 78-80 | 80-82 | 80-82 | 80-82 | 80-82 | |
| The roller can be replaced directly at firing zone, dont need to lower the kiln temperature. | ||||||||
| 1.The above data are verfied from testing samples in the lab.,for reference only in practical use. | ||||||||
| 2.The max. working temp. of the roller is depend on specification and size,distance of bearing point,cental distance, load and loading breadth in the kiln. | ||||||||
| 3.The max.working temp. is commendatory in the lab..The practical working temp. is lower 40-60℃ that the max.working temp.. | ||||||||
