Refractory Cement Clay Brick N-2A Al2O3 % = 40 Fiber Board Product

This product is a widely used clay product,
refractoriness ≥ 1710 °C,Al2O3 content between
35-40%.It has standard form, straight form, abnormal
shape and other different shape products. The main raw
materials are burned flint clay and combining clay
powder, and the firing temperature is 1330 °C. It can be
used in all kinds of industrial furnaces.

Item      Common clay brick
Al2O3 % ≥40
Fe2O3 % -
Apparent Porosity % ≤24
Bulk Density g/cm3 ≥2.10
Cold Crushing Strength Mpa ≥30
Permanent Linear Change % 1350ºC×3h(+0.2~-0.5)
Refractoriness KD,ºC 1350
Creep rate % -