Product Description:

1.This series of castables are featured with high alumina and low silicon and iron.

2.Small linear expansion coefficient. Good volume stability and good thermal shock stability.

3.Excellent erosion resistance.

Application:

PN-NHZ17 is applicable to gas transmission trunk, neck and connecting pipe of the secondary reformer and the waste heat boiler.

PN-NHZ18 is applicable to synthesis ammonia secondary reformer cylinder, Up and down the cone, gasifier combustion chamber and the combustion furnace of the sulfur recovery unit.

PN-NHZ14 is applicable to synthesis ammonia primary reformer convection section and medium voltage auxiliary boiler.