calcined china clay

BALL CLAY Calcination Contrast BALL CLAY FOR CERAMICS BODY Name Item RTC- BC82 RTC- BC80 RTC- BC78 RTC- BC75 RTC- BC70 RTC- NT60 RTC- NT55 Humidity% 28±2% 28±2% 28±2% 28±2% 28±2% 23±2% 23±2% Particle size>325 mush ≤1% ≤1% ≤3% ≤3% ≤3% ≤20% ≤20% MOR(kgf/cm2) 30 35 40 45 45 55 52 LOI% 13.5 12.8 12.5 12.0 12.0 9.15 8.50 Fired Shrinkage% 6.50 6.50 5.80 5.80 5.80 6.30 6.30 Water Absorption 11.50 10.0 10.0 9.10 9.50 12.20 12.40 Fired Whiteness 82 80 78 75 70 60 55 Al2O334.5 33.5 33.0 32.5 31.5 25.0 22.0 Fe2O30.85 0.90 0.95 1.00 1.05 1.10 1.20 TiO20.25 0.25 0.35 0.35 0.45 0.40 0.40 Basic Chemical Index:(%) Product CodeSiO2Al2O3Fe2O3TiO2K2ONa2OCaOMgOBall CLAY≥45.022-24≤1.200.50≤1.85≤0.20.150.20