VA879 ROLLER
VA879 ROLLER
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With the improvement formula, the VA879 serie roller can efficiently solve the problem of breakage due to the frequent replacement of rollers, with the maximum service temperature up to 1280 °C . It is mainly used in the production of inner and outer wall tiles.

        VA879  CHEMICAL & PHYSICAL CHARACTERISTICS
ITEMSVA879 (SUPER HIGH-TEMP.)
MAX. SERVICE TEMPERATURE1280℃
REFRACTORY DEGREE1700~1750℃
RATE OF WATER ABSORPTION6.0~8.0%
ANTI-BENDING STRENGTH52~64MPa
THERMAL SHOCK RESISTANCE★★★
Al2O3 CONTENT73~75%
ZrO2 CONTENT0
0SiC CONTENT0
METAL SI CONTENT0
STANDARD DIMENSIONS
DIAMETERS (mm)LENGTH (mm)DIAMETERS (mm)LENGTH (mm)
65~803000 ~ 5300402000 ~ 3500
602700 ~ 5000362000 ~ 3300
552700 ~ 5000352000 ~ 3200
522400 ~ 500033.71800 ~ 3100
502400 ~ 4600321800 ~ 3100
452200 ~ 380020-311600 ~ 3100
422200 ~ 380012-191200 ~ 2800