Large-shaped Refractory Blocks

Features: Strong resistance to glass liquid erosion

Applications: Bottom and tank wall of glass furnace

Category:

The large-shaped refractory blocks are produced by vibrating casting production technology, with the property of high resistance to glass liquid erosion, which is mainly used in the bottom and tank wall of glass furnace.

 

Technical Data Sheet:

Index / Product Unit BZM-20 BCS-60 BCS-65 BN-40a BN-40b
Al2O3     % 66 60 65 40 40
ZrO2    % 19 / / / /
Fe2O3    % 0.3 0.8 0.6 / /
Refractories under Load(0.2MPa) ≧ 1630 1540 1600 1430 1380
Reheating Linear Change (1400℃*2h) % 0- -0.1 0- -0.2 0- -0.2 0- -0.4 0-0.4
Apparent Porosity ≧ % 17 18 18 18 19
Cold Crushing Strength ≧ MPa 80 60 70 49 35

Note: All chemical-physical data are obtained based on the corresponding refractory bricks of standard size.