Lightweight heat insulation refractory brick

1. the high temperature refractory good performance 2.Products China railway and alkali metal low melting impurity content is v

About product:

Heat insulation refractory bricks is my company the American advanced standard reference to the development and production of a kind of high efficient, energy saving, high grade product. The products have been widely used in metallurgical hot dip galvanized furnace, silicon steel processing furnace, blast furnace stove; The petrochemical industry ethylene cracking furnace, hydrogen furnace, a transformation furnace, sulfur recovery units; And other such as roller kiln, spindle type kiln, prevent (fight) carburizing (n) the stove and so on thermal device, and satisfactory results.

Product features :

1. High temperature resistant,

 2. Performance is good,

 3. High strength,

 4. Show low porosity,

 5. An acid, alkali resistant, aggressive good, etc

 

Technical parameters:

Al2O3% >45 SiO2% 40 Fe2O3% <1.0                                          Cao% 1.7 Normal temperature the flexural strength MPa 1.0-1.3 Volume density % 0.52-1.25 Normal temperature compression strength MPa 1.2-3.4 Softening temperature °C 1250 Thermal shock stability (water) times / 1000 degrees air cold >15 Coefficient of thermal conductivity W / (m.k) 350 degrees +-10 degrees -1 Heavy burn line change % -1 1300*12h The highest use ° C temperature 1230-1760

Product application:

 

Mainly used for thermal boilers, cement kiln, glass furnace, gas furnace, fertilizer, blast furnace hot-blast stove, coking furnace, electric furnace, casting and casting steel brick

 

our product:

 

Lightweight heat insulation refractory brick