Thanks to advanced production technology and high quality imported raw materials, the OK989 serie roller has high density, good strength, strong thermal shock resistance, and exnt overall performance with the maximum working temperature up to 1350°C . It is mainly used in the production of wall tile and floor tile.
| OK 989 CHEMICAL & SICAL CHARACTERISTICS | |
| ITEMS | OK989 (SUPER HIGH-TEMP.) |
| MARKING COLOR | RED |
| MAX. SERVICE TEMPERATURE | 1350℃ |
| REFRACTORY DEGREE | 1750~1800℃ |
| RATE OF WATER ABSORPTION | 4.0~6.0% |
| ANTI-BENDING STRENGTH | 60~70MPa |
| THERMAL SHOCK RESISTANCE | ★★★★★ |
| Al2O3 CONTENT | 76~78% |
| ZrO2 CONTENT | 4.0~6.0% |
| SiC CONTENT | 0 |
| METAL SI CONTENT | 0 |
| STANDARD DIMENSIONS | |||
| DIAMETERS (mm) | LENGTH (mm) | DIAMETERS (mm) | LENGTH (mm) |
| 65~80 | 3000 ~ 5300 | 40 | 2000 ~ 3500 |
| 60 | 2700 ~ 5000 | 36 | 2000 ~ 3300 |
| 55 | 2700 ~ 5000 | 35 | 2000 ~ 3200 |
| 52 | 2400 ~ 5000 | 33.7 | 1800 ~ 3100 |
| 50 | 2400 ~ 4600 | 32 | 1800 ~ 3100 |
| 45 | 2200 ~ 3800 | 20-31 | 1600 ~ 3100 |
| 42 | 2200 ~ 3800 | 12-19 | 1200 ~ 2800 |
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