VA899 SUPER HIGH TEMPERATURE CERAMIC ROLLER
VA899 serie is the Top-Quality roller developed by NOVAROLA. It has excellent property of high temperature resistant and heavy load bearing, with the maximum working temperature up to 1470°C , and known with low water absorption and high anti-bending strength. It is mainly used in the production of vitrified tile and polished tiles, and applied particularly in the production of heavy duty.
VA899 CHEMICAL & PHYSICAL CHARACTERISTICS |
ITEMS | VA899 (SUPER HIGH-TEMP.) |
MAX. SERVICE TEMPERATURE | 1470℃ |
REFRACTORY DEGREE | ≥1860℃ |
RATE OF WATER ABSORPTION | 3.0~5.0% |
ANTI-BENDING STRENGTH | 72~84MPa |
THERMAL SHOCK RESISTANCE | ★★★★ |
Al2O3 CONTENT | ≥80% |
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 |