Features: low strength at room temperature, increasing strength with increasing heating temperature, good thermal 

shock resistance, spalling resistance, strong volume stability

Application: ideal lining material for heating furnace

Main physical and chemical performance index:

Note: TN-NN45 is applied to low temperature section, TN-NL60 is applied to heating furnace parts, TN-NL70, 

TN-NL60G and TN-NL65G are applied to heating furnace and soaking furnace parts