China for Glass Melting Furnace Electrocast Refractory Fused Cast Azs Refractory Blocks, Find details about China Azs Refractory Brick, Azs Refractory from for Glass Melting Furnace Electrocast Refractory Fused Cast Azs Refractory Blocks
Item | RS-AZS-33 | RS-AZS-36 | RS-AZS-41 | |
ZrO2 % ≥ | 32 | 35 | 40 | |
SiO2 % ≤ | 16.0 | 13.5 | 13.0 | |
Fe2O3 +TiO2+CaO+MgO+K2O+Na2O+B2O3 ≤ | 2.5 | 2.5 | 2.5 | |
Glass phase permeation temperature ºC | 1400 | 1400 | 1400 | |
Bulk density g/cm3 | Ordinary casting ≥ | 3.40 | 3.45 | 3.55 |
Dense casting ≥ | 3.50 | 3.60 | 3.70 | |
No shrinkage cavity casting ≥ | 3.60 | 3.70 | 3.80 |